Merge branch 'dev' into main

.github/workflows/main_automation.yml

@@ -87,6 +87,20 @@ jobs:
         title: "Latest Build"
         files: /Quantower/Settings/Scripts/Indicators/QuanTAlib/*.dll
 
+    - name: Authenticate to Github packages source
+      run: dotnet nuget add source
+          --username mihakralj
+          --password ${{ secrets.GITHUB_TOKEN }}
+          --store-password-in-clear-text
+          --name github "https://nuget.pkg.github.com/mihakralj/index.json"
+
+    - name: Push package to github
+      if: ${{ github.ref == 'refs/heads/dev' }}
+      run: dotnet nuget push '.\Source\bin\Release\QuanTAlib.*.nupkg'
+          --source https://nuget.pkg.github.com/mihakralj/index.json
+          --skip-duplicate
+          --no-symbols
+
     - name: Push package to nuget.org
       if: ${{ github.ref == 'refs/heads/main' }}
       run: dotnet nuget push '.\Source\bin\Release\QuanTAlib.*.nupkg'

Quantower/Indicators/WMAPE_chart.cs

@@ -51,11 +51,6 @@ public class WMAPE_chart : Indicator
         this.bars.Add(this.Time(), this.GetPrice(PriceType.Open), this.GetPrice(PriceType.High), this.GetPrice(PriceType.Low), this.GetPrice(PriceType.Close), this.GetPrice(PriceType.Volume), update);
         double result = this.indicator[this.indicator.Count - 1].v;
 
-
         this.SetValue(result, 0);
-
-
-
-
     }
 }

Quantower/Indicators/ZLMA_chart.cs

@@ -1,93 +0,0 @@
-using System.Collections;
-using System.Drawing;
-using System.Drawing.Text;
-using TradingPlatform.BusinessLayer;
-namespace QuanTAlib;
-
-public class ZLMA_chart : Indicator
-{
-    #region Parameters
-
-    [InputParameter("Smoothing period", 0, 1, 999, 1, 1)]
-    private readonly int Period = 10;
-
-    [InputParameter("Data source", 1, variants: new object[]
-      { "Open", 0, "High", 1,  "Low", 2,  "Close", 3,  "HL2", 4,  "OC2", 5,
-      "OHL3", 6,  "HLC3", 7,  "OHLC4", 8,  "Weighted (HLCC4)", 9 })]
-    private readonly int DataSource = 3;
-
-    [InputParameter("MA algorithm", 2, variants: new object[]
-    { "SMA", 0, 
-	    "WMA", 1,  
-	    "EMA", 2,  
-	    "DEMA", 3,  
-	    "TEMA", 4,  
-	    "HMA", 5,
-	    "KAMA", 6,  
-	    "JMA", 7,
-	    "SMMA", 8
-			})]
-    private readonly int matype = 2;
-
-#endregion Parameters
-
-  private TBars bars;
-	///////
-  private TSeries indicator;
-  ///////
-
-  public ZLMA_chart()
-    {
-        this.SeparateWindow = false;
-        this.Name = "ZLMA - Zero-lag Moving Average";
-        this.Description = "Zero-Lag Moving Average description";
-        this.AddLineSeries("ZLMA", Color.RoyalBlue, 3, LineStyle.Solid);
-    }
-
-  protected override void OnInit()
-  {
-	  this.bars = new();
-	  string maname = matype switch
-	  {
-		  0 => "SMA",
-		  1 => "WMA",
-		  2 => "EMA",
-		  3 => "DEMA",
-		  4 => "TEMA",
-		  5 => "HMA",
-		  6 => "KAMA",
-		  7 => "JMA",
-			8 => "SMMA",
-		  _ => "???"
-	  };
-
-	  this.ShortName = "ZLMA (" + maname + ", " + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-	  ZL_Series zerolag = new(source: bars.Select(this.DataSource), period: this.Period, useNaN: false);
-	  this.indicator = matype switch
-	  {
-		  0 => new SMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  1 => new WMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  2 => new EMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  3 => new DEMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  4 => new TEMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  5 => new HMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  6 => new KAMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  7 => new JMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		 8 => new SMMA_Series(source: zerolag, period: this.Period, useNaN: false),
-		  _ => new EMA_Series(source: zerolag, period: this.Period, useNaN: false)
-	  };
-  }
-
-  protected override void OnUpdate(UpdateArgs args)
-    {
-        bool update = !(args.Reason == UpdateReason.NewBar ||
-                        args.Reason == UpdateReason.HistoricalBar);
-        this.bars.Add(this.Time(), this.GetPrice(PriceType.Open),
-                      this.GetPrice(PriceType.High), this.GetPrice(PriceType.Low),
-                      this.GetPrice(PriceType.Close),
-                      this.GetPrice(PriceType.Volume), update);
-
-        double result = this.indicator[this.indicator.Count-1].v;
-        this.SetValue(result);
-    }
-}

Source/Basics/Abstracts.cs

@@ -32,23 +32,14 @@ public abstract class Single_TSeries_Indicator : TSeries
     public new virtual void Add((System.DateTime t, double v) TValue, bool update) => base.Add(TValue, update);
 
     // potentially overridable Add() method for the whole series (could be replaced with faster bulk algo)
-    public virtual void Add(TSeries data)
+    public virtual void Add(TSeries data) { for (int i = 0; i < data.Count; i++) { this.Add(TValue: data[i], update: false); }}
-    {
-        for (int i = 0; i < data.Count; i++) { this.Add(TValue: data[i], update: false); }
-    }
 
-    public new void Add((System.DateTime t, double v) TValue) 
+    public new void Add((System.DateTime t, double v) TValue) => this.Add(TValue: TValue, update: false);
-        => this.Add(TValue: TValue, update: false);
+    public void Add(bool update) => this.Add(TValue: this._data[this._data.Count - 1], update: update);
-    public void Add(bool update) 
+    public void Add() => this.Add(TValue: this._data[this._data.Count - 1], update: false);
-        => this.Add(TValue: this._data[this._data.Count - 1], update: update);
+    public new void Sub(object source, TSeriesEventArgs e) => this.Add(TValue: this._data[this._data.Count - 1], update: e.update);
-    public void Add() 
-        => this.Add(TValue: this._data[this._data.Count - 1], update: false);
-    public new void Sub(object source, TSeriesEventArgs e) 
-        => this.Add(TValue: this._data[this._data.Count - 1], update: e.update);
 }
 
-
-
 public abstract class Pair_TSeries_Indicator : TSeries
 {
     protected readonly TSeries _d1;
@@ -83,24 +74,14 @@ public abstract class Pair_TSeries_Indicator : TSeries
     }
 
     // overridable Add(Tvalue, Tvalue) method to add/update a single value at the end of the list
-    public virtual void Add((System.DateTime t, double v)TValue1, (System.DateTime t, double v)TValue2, bool update) 
+    public virtual void Add((System.DateTime t, double v)TValue1, (System.DateTime t, double v)TValue2, bool update) => base.Add(TValue: (TValue1.t, 0), update: update); // default inserts zeros
-        => base.Add(TValue: (TValue1.t, 0), update: update); // default inserts zeros
-
 
     // potentially overridable Add() bulk variations (could be replaced with faster bulk algos)
-    public virtual void Add(TSeries d1, TSeries d2) {
+    public virtual void Add(TSeries d1, TSeries d2) { for (int i = 0; i < d1.Count; i++) { this.Add(d1[i], d2[i], update: false); }}
-        for (int i = 0; i < d1.Count; i++) { this.Add(d1[i], d2[i], update: false); }
+    public virtual void Add(TSeries d1, double dd2) { for (int i = 0; i < d1.Count; i++) { this.Add(d1[i], (d1[i].t, dd2), update: false); }}
-    }
+    public virtual void Add(double dd1, TSeries d2) { for (int i = 0; i < d2.Count; i++) { this.Add((d2[i].t, dd1), d2[i], update: false); }}
-    public virtual void Add(TSeries d1, double dd2) {
-        for (int i = 0; i < d1.Count; i++) { this.Add(d1[i], (d1[i].t, dd2), update: false); }
-    }
-    public virtual void Add(double dd1, TSeries d2) {
-        for (int i = 0; i < d2.Count; i++) { this.Add((d2[i].t, dd1), d2[i], update: false); }
-    }
 
-
+    public void Add((System.DateTime t, double v)TValue1, (System.DateTime t, double v)TValue2) => this.Add(TValue1, TValue2, update: false);
-    public void Add((System.DateTime t, double v)TValue1, (System.DateTime t, double v)TValue2) 
-        => this.Add(TValue1, TValue2, update: false);
 
 	public void Add(bool update)
 	{
@@ -123,12 +104,9 @@ public abstract class Pair_TSeries_Indicator : TSeries
 	}
 
 	public void Add() => this.Add(update: false);
-
+    public new void Sub(object source, TSeriesEventArgs e) => this.Add(e.update);
-    public new void Sub(object source, TSeriesEventArgs e) 
-        => this.Add(e.update);
 }
 
-
 public abstract class Single_TBars_Indicator : TSeries
 {
     protected readonly int _p;
@@ -148,22 +126,10 @@ public abstract class Single_TBars_Indicator : TSeries
     public virtual void Add((System.DateTime t, double o, double h, double l, double c, double v) TBar, bool update) => base.Add((TBar.t, 0.0), update);
 
     // potentially overridable Add() method for the whole bars or series (could be replaced with faster bulk algo)
-    public virtual void Add(TBars bars)
+    public virtual void Add(TBars bars) { for (int i = 0; i < bars.Count; i++) { this.Add(TBar: bars[i], update: false); }}
-    {
+    public virtual void Add(TSeries data) { for (int i = 0; i < data.Count; i++) { base.Add(TValue: data[i], update: false); }}
-        for (int i = 0; i < bars.Count; i++) { this.Add(TBar: bars[i], update: false); }
+    public void Add((System.DateTime t, double o, double h, double l, double c, double v) TBar) => this.Add(TBar: TBar, update: false);
-    }
+    public void Add(bool update) => this.Add(TBar: this._bars[this._bars.Count - 1], update: update);
-
+    public void Add() => this.Add(TBar: this._bars[this._bars.Count - 1], update: false);
-    public virtual void Add(TSeries data)
+    public new void Sub(object source, TSeriesEventArgs e) => this.Add(TBar: this._bars[this._bars.Count - 1], update: e.update);
-    {
-	    for (int i = 0; i < data.Count; i++) { base.Add(TValue: data[i], update: false); }
-    }
-
-public void Add((System.DateTime t, double o, double h, double l, double c, double v) TBar) 
-        => this.Add(TBar: TBar, update: false);
-    public void Add(bool update) 
-        => this.Add(TBar: this._bars[this._bars.Count - 1], update: update);
-    public void Add() 
-        => this.Add(TBar: this._bars[this._bars.Count - 1], update: false);
-    public new void Sub(object source, TSeriesEventArgs e) 
-        => this.Add(TBar: this._bars[this._bars.Count - 1], update: e.update);
 }

Source/Basics/MAX_Series.cs

@@ -22,7 +22,10 @@ public class MAX_Series : Single_TSeries_Indicator
 
         double _max = TValue.v;
         for (int i = 0; i < this._buffer.Count; i++)
-        { _max = (this._buffer[i] > _max) ? this._buffer[i] : _max; }
+        { 
+            //_max = (this._buffer[i] > _max) ? this._buffer[i] : _max; 
+            _max = Math.Max(this._buffer[i], _max);
+        }
 
         var result = (TValue.t, this.Count < this._p - 1 && this._NaN ? double.NaN : _max);
 

Source/Basics/MIN_Series.cs

@@ -22,7 +22,10 @@ public class MIN_Series : Single_TSeries_Indicator
 
         double _min = TValue.v;
         for (int i = 0; i < this._buffer.Count; i++)
-        { _min = (this._buffer[i] < _min) ? this._buffer[i] : _min; }
+        { 
+            //_min = (this._buffer[i] < _min) ? this._buffer[i] : _min; 
+            _min = Math.Min(this._buffer[i], _min);
+        }
 
         var result = (TValue.t, (this.Count < this._p - 1 && this._NaN) ? double.NaN : _min);
 

Source/Basics/TBars.cs

@@ -75,7 +75,6 @@ public class TBars : System.Collections.Generic.List<(DateTime t, double o, doub
         };
     }
     
-
     public void Add((DateTime t, double o, double h, double l, double c, double v) i, bool update = false)
       => Add(i.t, i.o, i.h, i.l, i.c, i.v, update);
 
@@ -130,6 +129,4 @@ public class TBars : System.Collections.Generic.List<(DateTime t, double o, doub
             Pub(this, new TSeriesEventArgs { update = update });
         }
     }
-
-
 }

Source/Basics/ZL_Series.cs

@@ -30,6 +30,5 @@ public class ZL_Series : Single_TSeries_Indicator
 
         var ret = (TValue.t, (base.Count==0 && base._NaN) ? double.NaN : _zl );
         base.Add(ret, update);
-
     }
 }

Source/Feeds/Alphavantage_Feed.cs

@@ -55,4 +55,3 @@ public class Alphavantage_Feed : TBars
         return (date, o, h, l, c, v);
     }
 }
-

Source/Feeds/GBM_Feed.cs

@@ -38,11 +38,11 @@ public class GBM_Feed : TBars
 
         double OCMax = Math.Max(Open,Close);
         double High = (GBM_value(seed, volatility*0.5, 0));
-        High = (High<OCMax)? 2*OCMax-High : High;
+        High = (High<OCMax)? (2 * OCMax) - High : High;
 
         double OCMin = Math.Min(Open,Close);
         double Low = (GBM_value(seed, volatility*0.5, 0));
-        Low = (Low>OCMin)? 2*OCMin-Low : Low;
+        Low = (Low>OCMin)? (2 * OCMin) - Low : Low;
 
         double Volume = GBM_value(seed*10, volatility*2, Drift:0);
 
@@ -55,6 +55,6 @@ public class GBM_Feed : TBars
         double U1 = 1.0-rnd.NextDouble();
         double U2 = 1.0-rnd.NextDouble();
         double Z = Math.Sqrt(-2.0 * Math.Log(U1)) * Math.Sin(2.0 * Math.PI * U2);
-        return Seed * Math.Exp( Drift - (Volatility*Volatility*0.5) + Volatility * Z);
+        return Seed * Math.Exp( Drift - (Volatility*Volatility*0.5) + (Volatility * Z));
     }
 }

Source/Feeds/RND_Feed.cs

@@ -17,10 +17,10 @@ public class RND_Feed : TBars
         double c = startvalue;
         for (int i = 0; i < bars; i++)
         {
-            double o = Math.Round(c + c * (volatility * 0.1 * rnd.NextDouble() - 0.005), 2);
+            double o = Math.Round(c + (c * (((volatility * 0.1) * rnd.NextDouble()) - 0.005)), 2);
-            double h = Math.Round(o + c * volatility * rnd.NextDouble(), 2);
+            double h = Math.Round(o + (c * volatility * rnd.NextDouble()), 2);
-            double l = Math.Round(o - c * volatility * rnd.NextDouble(), 2);
+            double l = Math.Round(o - (c * volatility * rnd.NextDouble()), 2);
-            c = Math.Round(l + (h - l) * rnd.NextDouble(), 2);
+            c = Math.Round(l + ((h - l) * rnd.NextDouble()), 2);
             double v = Math.Round(1000 * rnd.NextDouble(), 2);
             this.Add(DateTime.Today.AddDays(i - bars), o, h, l, c, v);
         }

Source/Momentum/CCI_Series.cs

@@ -20,14 +20,13 @@ public class CCI_Series : Single_TBars_Indicator
 {
   private readonly System.Collections.Generic.List<double> _tp = new();
 
-  public CCI_Series(TBars source, int period = 10, bool useNaN = false) 
+  public CCI_Series(TBars source, int period = 10, bool useNaN = false) : base(source, period: period, useNaN: useNaN) 
-    : base(source, period: period, useNaN: useNaN) {
+  {
-
     if (_bars.Count > 0) { base.Add(_bars); }
   }
 
-  public override void Add((DateTime t, double o, double h, double l, double c, double v) TBar, bool update) {
+  public override void Add((DateTime t, double o, double h, double l, double c, double v) TBar, bool update) 
-    
+  {
     double _tpItem = (TBar.h + TBar.l + TBar.c) / 3.0;
     if (update) { this._tp[this._tp.Count - 1] = _tpItem; } else { this._tp.Add(_tpItem); }
     if (this._tp.Count > this._p) { this._tp.RemoveAt(0); }

Source/QuanTAlib.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>0.1.17</Version>
+    <Version>0.1.18</Version>
     <releaseNotes>
     </releaseNotes>
     <Title>QuanTAlib</Title>

Source/Statistics/KURT_Series.cs

@@ -54,7 +54,7 @@ public class KURT_Series : Single_TSeries_Indicator
         }
 
         double _Vx = _s2 / (_n - 1);
-        double _kurt = (_n > 3) ? (((_n * (_n + 1)) / ((_n - 1) * (_n - 2) * (_n - 3))) * (_s4 / (_Vx * _Vx)) - (3 * ((_n - 1) * (_n - 1) / ((_n - 2) * (_n - 3))))) : Double.NaN;
+        double _kurt = (_n > 3) ? ((((_n * (_n + 1)) / (((_n - 1) * (_n - 2)) * (_n - 3))) * (_s4 / (_Vx * _Vx))) - (3 * (((_n - 1) * (_n - 1)) / ((_n - 2) * (_n - 3))))) : Double.NaN;
 
         var result = (TValue.t, (this.Count < this._p - 1 && this._NaN) ? Double.NaN : _kurt);
         base.Add(result, update);

Source/Statistics/MED_Series.cs

@@ -37,7 +37,7 @@ public class MED_Series : Single_TSeries_Indicator
         System.Collections.Generic.List<double> _s = new(this._buffer);
         _s.Sort();
         int _p1 = _s.Count / 2;
-        int _p2 = Math.Max(0, _s.Count / 2 - 1);
+        int _p2 = Math.Max(0, (_s.Count / 2) - 1);
         double _med = (_s.Count % 2 != 0) ? _s[_p1] : (_s[_p1] + _s[_p2]) / 2;
 
         var result = (TValue.t, (this.Count < this._p - 1 && this._NaN) ? double.NaN : _med);

Source/Trends/ALMA_Series.cs

@@ -62,7 +62,4 @@ public class ALMA_Series : Single_TSeries_Indicator
             _norm += _wt;
         }
     }
-
 }
-
-

Source/Trends/DEMA_Series.cs

@@ -31,7 +31,6 @@ public class DEMA_Series : Single_TSeries_Indicator
 
     public override void Add((DateTime t, double v) TValue, bool update)
     {
-
         if (update)
         {
             this._lastema1 = this._lastlastema1;
@@ -53,15 +52,14 @@ public class DEMA_Series : Single_TSeries_Indicator
             for (int i = 0; i < _buffer.Count; i++) { _sma += _buffer[i]; }
             _sma /= this._buffer.Count;
             _ema1 = _ema2 = _sma;
-
         }
         else
         {
-            _ema1 = TValue.v * this._k + this._lastema1 * this._k1m;
+            _ema1 = (TValue.v * this._k) + (this._lastema1 * this._k1m);
-            _ema2 = _ema1 * this._k + this._lastema2 * this._k1m;
+            _ema2 = (_ema1 * this._k) + (this._lastema2 * this._k1m);
         }
 
-        double _dema = 2 * _ema1 - _ema2;
+        double _dema = (2 * _ema1) - _ema2;
         this._lastlastema1 = this._lastema1;
         this._lastlastema2 = this._lastema2;
         this._lastema1 = _ema1;

Source/Trends/EMA_Series.cs

@@ -52,7 +52,7 @@ public class EMA_Series : Single_TSeries_Indicator
         }
         else
         {
-            _ema = TValue.v * this._k + this._lastema * this._k1m;
+            _ema = (TValue.v * this._k) + (this._lastema * this._k1m);
         }
 
         this._lastlastema = this._lastema;

Source/Trends/RMA_Series.cs

@@ -51,7 +51,7 @@ public class RMA_Series : Single_TSeries_Indicator
         }
         else
         {
-            _ema = TValue.v * _k + _lastema * _k1m;
+            _ema = (TValue.v * _k) + (_lastema * _k1m);
         }
 
         this._lastlastema = this._lastema;

Source/Trends/TEMA_Series.cs

@@ -33,7 +33,6 @@ public class TEMA_Series : Single_TSeries_Indicator
 
     public override void Add((DateTime t, double v) TValue, bool update)
     {
-
         if (update)
         {
             this._lastema1 = this._lastlastema1;
@@ -59,12 +58,12 @@ public class TEMA_Series : Single_TSeries_Indicator
         }
         else
         {
-            _ema1 = TValue.v * this._k + this._lastema1 * this._k1m;
+            _ema1 = (TValue.v * this._k) + (this._lastema1 * this._k1m);
-            _ema2 = _ema1 * this._k + this._lastema2 * this._k1m;
+            _ema2 = (_ema1 * this._k) + (this._lastema2 * this._k1m);
-            _ema3 = _ema2 * this._k + this._lastema3 * this._k1m;
+            _ema3 = (_ema2 * this._k) + (this._lastema3 * this._k1m);
         }
 
-        double _tema = 3 * (_ema1 - _ema2) + _ema3;
+        double _tema = (3 * (_ema1 - _ema2)) + _ema3;
 
         this._lastlastema1 = this._lastema1;
         this._lastlastema2 = this._lastema2;

Source/Trends/TRIMA_Series.cs

@@ -0,0 +1,49 @@
+namespace QuanTAlib;
+using System;
+
+/* <summary>
+TRIMA: Triangular Moving Average
+    A weighted moving average where the shape of the weights are triangular and the greatest
+    weight is in the middle of the period,
+
+Sources:
+    https://www.tradingtechnologies.com/help/x-study/technical-indicator-definitions/triangular-moving-average-trima/
+
+Remark:
+    trima = sma(sma(signal, n/2), n/2)
+
+</summary> */
+
+public class TRIMA_Series : Single_TSeries_Indicator
+{
+    private readonly System.Collections.Generic.List<double> _buffer1 = new();
+    private readonly System.Collections.Generic.List<double> _buffer2 = new();
+    private readonly int _p1a, _p1b;
+    
+    public TRIMA_Series(TSeries source, int period, bool useNaN = false) : base(source, period, useNaN)
+    {
+        _p1a = (int) Math.Floor((period * 0.5) + 1);
+        _p1b = (int) Math.Ceiling(0.5 * period);
+        if (base._data.Count > 0) { base.Add(base._data); }
+    }
+
+    public override void Add((System.DateTime t, double v) TValue, bool update)
+    {
+        if (update) { _buffer1[_buffer1.Count - 1] = TValue.v; } else { _buffer1.Add(TValue.v); }
+        if (_buffer1.Count > this._p1b && this._p1b != 0) { _buffer1.RemoveAt(0); }
+        
+        double _sma1 = 0;
+        for (int i = 0; i < _buffer1.Count; i++) { _sma1 += _buffer1[i]; }
+        _sma1 /= this._buffer1.Count;
+
+        if (update) { _buffer2[_buffer2.Count - 1] = _sma1; } else { _buffer2.Add(_sma1); }
+        if (_buffer2.Count > this._p1a && this._p1a != 0) { _buffer2.RemoveAt(0); }
+
+        double _trima = 0;        
+        for (int i = 0; i < _buffer2.Count; i++) { _trima += _buffer2[i]; }
+        _trima /= this._buffer2.Count;
+
+        var result = (TValue.t, (this.Count < this._p - 1 && this._NaN) ? double.NaN : _trima);
+        base.Add(result, update);
+    }
+}

Source/Trends/ZLEMA_Series.cs

@@ -60,7 +60,7 @@ public class ZLEMA_Series : Single_TSeries_Indicator
 		}
 		else
 		{
-			_ema = _zl * this._k + this._lastema * this._k1m;
+			_ema = (_zl * this._k) + (this._lastema * this._k1m);
 		}
 
 		this._lastlastema = this._lastema;

Source/Volatility/ATRP_Series.cs

@@ -50,7 +50,7 @@ public class ATRP_Series : Single_TBars_Indicator
             for (int i = 0; i < _buffer.Count; i++) { _ema += _buffer[i]; }
             _ema /= this._buffer.Count;
         }
-        else { _ema = d.v * _k + _lastema * _k1m; }
+        else { _ema = (d.v * _k) + (_lastema * _k1m); }
 
         this._lastlastema = this._lastema;
         this._lastema = _ema;

Source/Volatility/ATR_Series.cs

@@ -13,7 +13,6 @@ Sources:
 
 </summary> */
 
-
 public class ATR_Series : Single_TBars_Indicator
 {
     private readonly System.Collections.Generic.List<double> _buffer = new();
@@ -53,7 +52,7 @@ public class ATR_Series : Single_TBars_Indicator
             for (int i = 0; i < _buffer.Count; i++) { _ema += _buffer[i]; }
             _ema /= this._buffer.Count;
         }
-        else { _ema = d.v * _k + _lastema * _k1m; }
+        else { _ema = (d.v * _k) + (_lastema * _k1m); }
 
         this._lastlastema = this._lastema;
         this._lastema = _ema;

Source/Volume/OBV_Series.cs

@@ -0,0 +1,62 @@
+namespace QuanTAlib;
+using System;
+
+/* <summary>
+OBV: On-Balance Volume
+    On-balance volume (OBV) is a technical trading momentum indicator that uses volume flow to predict
+    changes in stock price. Joseph Granville first developed the OBV metric in the 1963 book 
+    Granville's New Key to Stock Market Profits.
+
+                          | +volume; if close > close[previous]
+    OBV = OBV[previous] + | 0;       if close = close[previous]
+                          | -volume; if close < close[previous]
+
+Sources:
+    https://www.investopedia.com/terms/o/onbalancevolume.asp
+    https://www.tradingview.com/wiki/On_Balance_Volume_(OBV)  
+    https://www.tradingtechnologies.com/help/x-study/technical-indicator-definitions/on-balance-volume-obv/
+    https://www.motivewave.com/studies/on_balance_volume.htm
+
+Note:
+    There is no consensus on what is the first OBV value in the series:
+    - TA-LIB uses the first volume: OBV[0] = volume[0]
+    - Skender stock library uses 0: OBV[0] = 0
+
+</summary> */
+
+public class OBV_Series : Single_TBars_Indicator
+{
+	private double _lastobv, _lastlastobv;
+	private double _lastclose, _lastlastclose;
+	public OBV_Series(TBars source, int period = 10, bool useNaN = false) : base(source, period: period, useNaN: useNaN)
+	{
+		this._lastobv = this._lastlastobv = 0;
+		this._lastclose = this._lastlastclose = 0;
+		if (_bars.Count > 0) { base.Add(_bars); }
+  }
+
+  public override void Add((DateTime t, double o, double h, double l, double c, double v) TBar, bool update) 
+  {
+    if (update)
+    {
+	    this._lastobv = this._lastlastobv;
+	    this._lastclose = this._lastlastclose;
+    }
+
+    double _obv = this._lastobv;
+    if (TBar.c > this._lastclose) { _obv += TBar.v; }
+    if (TBar.c < this._lastclose) { _obv -= TBar.v; }
+
+    // Unclear what the first value in OBV series is - currently set to volume[0]
+    // if (this.Count == 0) { _obv = 0; }
+
+    this._lastlastobv = this._lastobv;
+    this._lastobv = _obv;
+
+    this._lastlastclose = this._lastclose;
+    this._lastclose = TBar.c;
+
+		var result = (TBar.t, (this.Count < this._p  && this._NaN) ? double.NaN : _obv);
+    base.Add(result, update);
+  }
+}

Tests/Basics/TBars_Test.cs

@@ -108,6 +108,5 @@ public class TBars_Test
 			s.Add(DateTime.Today, 0.1, 1.1, 2.1, 3.1, 4.1, false);
 			Assert.Equal(s.Close.v, t.v);
 			Assert.Equal(s.Close.Count, t.Count);
-
   }
 }

Tests/Basics/TSeries_Test.cs

@@ -48,7 +48,6 @@ public class TSeries_Test
         TSeries t = s;
         Assert.Equal(5, (double)t);
         Assert.Equal(5, t.Count);
-
     }
     [Fact]
     public void BroadcastingEvents()
@@ -58,6 +57,5 @@ public class TSeries_Test
         s.Pub += t.Sub;
         s.Add(0.0, update: true);
         Assert.Equal(0.0, (double)t);
-
     }
 }

Tests/MovingAvg/ALMA_Test.cs

@@ -27,7 +27,5 @@ public class ALMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/BBANDS_Test.cs

@@ -52,7 +52,5 @@ public class BBANDS_Test
 		Assert.Equal(a.Count, c.PercentB.Count);
 		Assert.Equal(a.Count, c.Zscore.Count);
 		Assert.Equal(a.Count, c.Bandwidth.Count);
-
 	}
-
 }

Tests/MovingAvg/DEMA_Test.cs

@@ -27,7 +27,5 @@ public class DEMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/EMA_Test.cs

@@ -27,7 +27,5 @@ public class EMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/HEMA_Test.cs

@@ -27,7 +27,5 @@ public class HEMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/HMA_Test.cs

@@ -27,7 +27,5 @@ public class HMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/JMA_Test.cs

@@ -27,7 +27,5 @@ public class JMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/KAMA_Test.cs

@@ -27,7 +27,5 @@ public class KAMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/MACD_Test.cs

@@ -27,7 +27,5 @@ public class MACD_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/RMA_Test.cs

@@ -27,7 +27,5 @@ public class RMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/RSI_Test.cs

@@ -27,7 +27,5 @@ public class RSI_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/SMA_Test.cs

@@ -27,7 +27,5 @@ public class SMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/SMMA_Test.cs

@@ -27,7 +27,5 @@ public class SMMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/TEMA_Test.cs

@@ -27,7 +27,5 @@ public class TEMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/WMA_Test.cs

@@ -27,7 +27,5 @@ public class WMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/MovingAvg/ZLEMA_Test.cs

@@ -27,7 +27,5 @@ public class ZLEMA_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/BIAS_Test.cs

@@ -27,7 +27,5 @@ public class BIAS_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/ENTP_Test.cs

@@ -27,7 +27,5 @@ public class KURT_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/KURT_Test.cs

@@ -27,7 +27,5 @@ public class ENTP_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/LINREG_Test.cs

@@ -27,7 +27,5 @@ public class LINREG_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/MAD_Test.cs

@@ -27,7 +27,5 @@ public class MAD_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/MAPE_Test.cs

@@ -27,7 +27,5 @@ public class MAPE_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/MAX_Test.cs

@@ -27,7 +27,5 @@ public class MAX_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/MED_Test.cs

@@ -27,7 +27,5 @@ public class MED_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/MIN_Test.cs

@@ -27,7 +27,5 @@ public class MIN_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/MSE_Test.cs

@@ -27,7 +27,5 @@ public class MSE_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/PSDEV_Test.cs

@@ -27,7 +27,5 @@ public class PSDEV_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/PVAR_Test .cs

@@ -27,7 +27,5 @@ public class PVAR_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/SDEV_Test .cs

@@ -27,7 +27,5 @@ public class SDEV_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/SMAPE_Test.cs

@@ -27,7 +27,5 @@ public class SMAPE_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/VAR_Test.cs

@@ -27,7 +27,5 @@ public class VAR_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Statistics/WMAPE_Test.cs

@@ -27,7 +27,5 @@ public class WMAPE_Test
 		Assert.Equal(a.Count, c.Count);
 		a.Add(double.PositiveInfinity);
 		Assert.Equal(a.Count, c.Count);
-
 	}
-
 }

Tests/Validations/Pandas_TA.cs

@@ -1,5 +1,3 @@
-
-
 using Xunit;
 using System;
 using QuanTAlib;
@@ -120,5 +118,4 @@ public class PandasTA
 				Assert.Equal(System.Math.Round((double)pta.tail(1), 7), Math.Round(QL.Last().v, 7));
 			}
 		*/
-
 }

Tests/Validations/Skender_Stock.cs

@@ -3,7 +3,6 @@ using QuanTAlib;
 using Skender.Stock.Indicators;
 using Xunit;
 
-
 namespace Validation;
 public class Skender_Stock
 {
@@ -14,7 +13,7 @@ public class Skender_Stock
 
 	public Skender_Stock()
 	{
-		this.bars = new(1000);
+		this.bars = new(Bars: 1, Volatility:0.7, Drift:0.0);
 		this.period = this.rnd.Next(28) + 3;
 		this.quotes = this.bars.Select(
 			q => new Quote
@@ -34,7 +33,7 @@ public class Skender_Stock
 		SMA_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetSma(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Sma!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Sma!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 		[Fact]
@@ -43,7 +42,7 @@ public class Skender_Stock
 		EMA_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetEma(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Ema!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Ema!, 6), Math.Round(QL.Last().v, 6));
 	}
 	[Fact]
 	public void WMA()
@@ -51,7 +50,7 @@ public class Skender_Stock
 		WMA_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetWma(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Wma!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Wma!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -60,7 +59,7 @@ public class Skender_Stock
 		DEMA_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetDema(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Dema!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Dema!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -69,7 +68,7 @@ public class Skender_Stock
 		TEMA_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetTema(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Tema!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Tema!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -78,7 +77,7 @@ public class Skender_Stock
 		MAD_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetSmaAnalysis(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Mad!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Mad!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -87,7 +86,7 @@ public class Skender_Stock
 		MAPE_Series QL = new(this.bars.Close, this.period, false);
 		var SK = this.quotes.GetSmaAnalysis(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Mape!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Mape!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -96,7 +95,18 @@ public class Skender_Stock
 		ATR_Series QL = new(this.bars, this.period, false);
 		var SK = this.quotes.GetAtr(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Atr!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Atr!, 6), Math.Round(QL.Last().v, 6));
+	}
+
+	[Fact]
+	public void OBV()
+	{
+		OBV_Series QL = new(this.bars, this.period, false);
+		var SK = this.quotes.GetObv(this.period);
+
+		// adding volume[0] to OBV to pass the test and keep compatibility with TA-LIB
+		Assert.Equal(Math.Round((double)SK.Last().Obv!, 6) + Math.Round((double)this.quotes.First().Volume!, 6),
+			Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -105,7 +115,7 @@ public class Skender_Stock
 		ADL_Series QL = new(this.bars, false);
 		var SK = this.quotes.GetAdl();
 
-		Assert.Equal(Math.Round((double)SK.Last().Adl!, 6), Math.Round(QL.Last().v, 6));
+		Assert.Equal(Math.Round((double)SK.Last().Adl!, 5), Math.Round(QL.Last().v, 5));
 	}
 
 	[Fact]
@@ -114,7 +124,7 @@ public class Skender_Stock
 		CCI_Series QL = new(this.bars, this.period, false);
 		var SK = this.quotes.GetCci(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Cci!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Cci!, 6), Math.Round(QL.Last().v, 6));
 	}
 
 	[Fact]
@@ -123,7 +133,7 @@ public class Skender_Stock
 		ATRP_Series QL = new(this.bars, this.period, false);
 		var SK = this.quotes.GetAtr(this.period);
 
-		Assert.Equal(Math.Round((double)SK.Last().Atrp!, 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round((double)SK.Last().Atrp!, 6), Math.Round(QL.Last().v, 6));
 	}
 
     [Fact]
@@ -132,7 +142,7 @@ public class Skender_Stock
         KAMA_Series QL = new(this.bars.Close, this.period, useNaN: false);
         var SK = this.quotes.GetKama(this.period);
 
-        Assert.Equal(Math.Round((double)SK.Last().Kama!, 8), Math.Round(QL.Last().v, 8));
+        Assert.Equal(Math.Round((double)SK.Last().Kama!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -141,7 +151,7 @@ public class Skender_Stock
 	    HMA_Series QL = new(this.bars.Close, this.period, useNaN: false);
 	    var SK = this.quotes.GetHma(this.period);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Hma!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Hma!, 6), Math.Round(QL.Last().v, 6));
     }
 
 	[Fact]
@@ -150,7 +160,7 @@ public class Skender_Stock
 	    SMMA_Series QL = new(this.bars.Close, this.period, useNaN: false);
 	    var SK = this.quotes.GetSmma(this.period);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Smma!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Smma!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -159,8 +169,8 @@ public class Skender_Stock
 	    MACD_Series QL = new(this.bars.Close, 26,12,9, useNaN: false);
 	    var SK = this.quotes.GetMacd(12,26,9);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Macd!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Macd!, 6), Math.Round(QL.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().Signal!, 8), Math.Round(QL.Signal.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Signal!, 6), Math.Round(QL.Signal.Last().v, 6));
     }
 
     [Fact]
@@ -169,22 +179,21 @@ public class Skender_Stock
 	    BBANDS_Series QL = new(this.bars.Close, this.period, 2.0, useNaN: false);
 	    var SK = this.quotes.GetBollingerBands(this.period, 2.0);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Sma!, 8), Math.Round(QL.Mid.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Sma!, 6), Math.Round(QL.Mid.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().UpperBand!, 8), Math.Round(QL.Upper.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().UpperBand!, 6), Math.Round(QL.Upper.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().LowerBand!, 8), Math.Round(QL.Lower.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().LowerBand!, 6), Math.Round(QL.Lower.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().Width!, 8), Math.Round(QL.Bandwidth.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Width!, 6), Math.Round(QL.Bandwidth.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().PercentB!, 8), Math.Round(QL.PercentB.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().PercentB!, 6), Math.Round(QL.PercentB.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().ZScore!, 8), Math.Round(QL.Zscore.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().ZScore!, 6), Math.Round(QL.Zscore.Last().v, 6));
     }
 
-
 	[Fact]
     public void RSI()
     {
 	    RSI_Series QL = new(this.bars.Close, this.period, useNaN: false);
 	    var SK = this.quotes.GetRsi(this.period);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Rsi!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Rsi!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -193,7 +202,7 @@ public class Skender_Stock
 	    ALMA_Series QL = new(this.bars.Close, this.period, useNaN: false);
 	    var SK = this.quotes.GetAlma(this.period);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Alma!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Alma!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -202,7 +211,7 @@ public class Skender_Stock
 	    SDEV_Series QL = new(this.bars.Close, this.period, useNaN: false);
 	    var SK = this.quotes.GetStdDev(this.period);
 
-	    Assert.Equal(Math.Round((double)SK.Last().StdDev!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().StdDev!, 6), Math.Round(QL.Last().v, 6));
     }
 
 	[Fact]
@@ -211,10 +220,10 @@ public class Skender_Stock
 	    LINREG_Series QL = new(this.bars.Close, this.period, useNaN: false);
 	    var SK = this.quotes.GetSlope(this.period);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Slope!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Slope!, 6), Math.Round(QL.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().Intercept!, 8), Math.Round(QL.Intercept.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Intercept!, 6), Math.Round(QL.Intercept.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().RSquared!, 8), Math.Round(QL.RSquared.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().RSquared!, 6), Math.Round(QL.RSquared.Last().v, 6));
-	    Assert.Equal(Math.Round((double)SK.Last().StdDev!, 8), Math.Round(QL.StdDev.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().StdDev!, 6), Math.Round(QL.StdDev.Last().v, 6));
 	}
 
     [Fact]
@@ -223,7 +232,7 @@ public class Skender_Stock
 	    TR_Series QL = new(this.bars, useNaN: false);
 	    var SK = this.quotes.GetTr();
 
-	    Assert.Equal(Math.Round((double)SK.Last().Tr!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Tr!, 6), Math.Round(QL.Last().v, 6));
     }
 
 	[Fact]
@@ -232,7 +241,7 @@ public class Skender_Stock
 	    TSeries QL = this.bars.HL2;
 	    var SK = this.quotes.GetBaseQuote(CandlePart.HL2);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Value!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Value!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -241,7 +250,7 @@ public class Skender_Stock
 	    TSeries QL = this.bars.OC2;
 	    var SK = this.quotes.GetBaseQuote(CandlePart.OC2);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Value!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Value!, 6), Math.Round(QL.Last().v, 6));
     }
 
 	[Fact]
@@ -250,7 +259,7 @@ public class Skender_Stock
 	    TSeries QL = this.bars.HLC3;
 	    var SK = this.quotes.GetBaseQuote(CandlePart.HLC3);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Value!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Value!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -259,7 +268,7 @@ public class Skender_Stock
 	    TSeries QL = this.bars.OHL3;
 	    var SK = this.quotes.GetBaseQuote(CandlePart.OHL3);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Value!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Value!, 6), Math.Round(QL.Last().v, 6));
     }
 
     [Fact]
@@ -268,6 +277,6 @@ public class Skender_Stock
 	    TSeries QL = this.bars.OHLC4;
 	    var SK = this.quotes.GetBaseQuote(CandlePart.OHLC4);
 
-	    Assert.Equal(Math.Round((double)SK.Last().Value!, 8), Math.Round(QL.Last().v, 8));
+	    Assert.Equal(Math.Round((double)SK.Last().Value!, 6), Math.Round(QL.Last().v, 6));
     }
 }

Tests/Validations/TA_LIB.cs

@@ -18,7 +18,7 @@ public class TA_LIB
 
 	public TA_LIB()
 	{
-		this.bars = new(1000);
+		this.bars = new(5000);
 		this.period = this.rnd.Next(28) + 3;
 		this.TALIB = new double[this.bars.Count];
 		this.inopen = this.bars.Open.v.ToArray();
@@ -36,7 +36,7 @@ public class TA_LIB
 		ADD_Series QL = new(this.bars.Open, this.bars.Close);
 		Core.Add(this.inopen, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -45,7 +45,7 @@ public class TA_LIB
 		SUB_Series QL = new(this.bars.Open, this.bars.Close);
 		Core.Sub(this.inopen, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -54,7 +54,7 @@ public class TA_LIB
 		MUL_Series QL = new(this.bars.Open, this.bars.Close);
 		Core.Mult(this.inopen, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -63,7 +63,7 @@ public class TA_LIB
 		DIV_Series QL = new(this.bars.Open, this.bars.Close);
 		Core.Div(this.inopen, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -72,17 +72,25 @@ public class TA_LIB
 		SDEV_Series QL = new(this.bars.Close, this.period, false);
 		Core.StdDev(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
-
 	[Fact]
 	public void SMA()
 	{
 		SMA_Series QL = new(this.bars.Close, this.period, false);
 		Core.Sma(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
+	}
+
+	[Fact]
+	public void TRIMA()
+	{
+		TRIMA_Series QL = new(this.bars.Close, this.period, false);
+		Core.Trima(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
+
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -91,7 +99,7 @@ public class TA_LIB
 		EMA_Series QL = new(this.bars.Close, this.period, false);
 		Core.Ema(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -100,7 +108,7 @@ public class TA_LIB
 		WMA_Series QL = new(this.bars.Close, this.period, false);
 		Core.Wma(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 		
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -109,7 +117,7 @@ public class TA_LIB
 		DEMA_Series QL = new(this.bars.Close, this.period, false);
 		Core.Dema(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -118,7 +126,7 @@ public class TA_LIB
 		TEMA_Series QL = new(this.bars.Close, this.period, false);
 		Core.Tema(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -127,7 +135,7 @@ public class TA_LIB
 		MAX_Series QL = new(this.bars.Close, this.period, false);
 		Core.Max(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -136,7 +144,7 @@ public class TA_LIB
 		MIN_Series QL = new(this.bars.Close, this.period, false);
 		Core.Min(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -145,7 +153,16 @@ public class TA_LIB
 		ADL_Series QL = new(this.bars, false);
 		Core.Ad(this.inhigh, this.inlow, this.inclose, this.involume, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
+	}
+
+	[Fact]
+	public void OBV()
+	{
+		OBV_Series QL = new(this.bars, this.period, false);
+		Core.Obv(this.inclose, this.involume,  0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
+
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -154,7 +171,7 @@ public class TA_LIB
 		ADOSC_Series QL = new(this.bars, false);
 		Core.AdOsc(this.inhigh, this.inlow, this.inclose, this.involume, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -163,7 +180,7 @@ public class TA_LIB
 		ATR_Series QL = new(this.bars, this.period, false);
 		Core.Atr(this.inhigh, this.inlow, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -172,7 +189,7 @@ public class TA_LIB
 		CCI_Series QL = new(this.bars, this.period, false);
 		Core.Cci(this.inhigh, this.inlow, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -181,7 +198,7 @@ public class TA_LIB
 		RSI_Series QL = new(this.bars.Close, this.period, false);
 		Core.Rsi(this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _, this.period);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -190,7 +207,7 @@ public class TA_LIB
 		TR_Series QL = new(this.bars, false);
 		Core.TRange(this.inhigh, this.inlow, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -200,8 +217,8 @@ public class TA_LIB
 		double[] macdHist = new double[this.bars.Count];
 		MACD_Series QL = new(this.bars.Close, slow: 26, fast: 12, signal: 9, false);
 		Core.Macd(this.inclose, 0, this.bars.Count - 1, outMacd: this.TALIB, outMacdSignal: macdSignal, outMacdHist: macdHist, out int outBegIdx, out _);
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
-		Assert.Equal(Math.Round(macdSignal[macdSignal.Length - outBegIdx - 1], 8), Math.Round(QL.Signal.Last().v, 8));
+		Assert.Equal(Math.Round(macdSignal[macdSignal.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Signal.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -212,21 +229,18 @@ public class TA_LIB
 		double[] outLower = new double[this.bars.Count];
 		BBANDS_Series QL = new(this.bars.Close, period:26, multiplier:2.0, false);
 		Core.Bbands(this.inclose, 0, this.bars.Count - 1, outRealUpperBand: outUpper, outRealMiddleBand: outMiddle, outRealLowerBand: outLower, out int outBegIdx, out _, optInTimePeriod:26, optInNbDevUp:2.0, optInNbDevDn:2.0);
-		Assert.Equal(Math.Round(outUpper[outUpper.Length - outBegIdx - 1], 7), Math.Round(QL.Upper.Last().v, 7));
+		Assert.Equal(Math.Round(outUpper[outUpper.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Upper.Last().v, 6, MidpointRounding.AwayFromZero));
-		Assert.Equal(Math.Round(outMiddle[outMiddle.Length - outBegIdx - 1], 7), Math.Round(QL.Mid.Last().v, 7));
+		Assert.Equal(Math.Round(outMiddle[outMiddle.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Mid.Last().v, 6, MidpointRounding.AwayFromZero));
-	  Assert.Equal(Math.Round(outLower[outLower.Length - outBegIdx - 1], 7), Math.Round(QL.Lower.Last().v, 7));
+	  Assert.Equal(Math.Round(outLower[outLower.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Lower.Last().v, 6, MidpointRounding.AwayFromZero));
-
 	}
 
-
-
 	[Fact]
 	public void HL2()
 	{
 		TSeries QL = this.bars.HL2;
 		Core.MedPrice(this.inhigh, this.inlow, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -235,7 +249,7 @@ public class TA_LIB
 		TSeries QL = this.bars.HLC3;
 		Core.TypPrice(this.inhigh, this.inlow, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -244,7 +258,7 @@ public class TA_LIB
 		TSeries QL = this.bars.OHLC4;
 		Core.AvgPrice(this.inopen, this.inhigh, this.inlow, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
 
 	[Fact]
@@ -253,7 +267,6 @@ public class TA_LIB
 		TSeries QL = this.bars.HLCC4;
 		Core.WclPrice( this.inhigh, this.inlow, this.inclose, 0, this.bars.Count - 1, this.TALIB, out int outBegIdx, out _);
 
-		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 8), Math.Round(QL.Last().v, 8));
+		Assert.Equal(Math.Round(this.TALIB[this.TALIB.Length - outBegIdx - 1], 6, MidpointRounding.AwayFromZero), Math.Round(QL.Last().v, 6, MidpointRounding.AwayFromZero));
 	}
-
 }

docs/readme.md

@@ -37,84 +37,91 @@ See [Getting Started](https://github.com/mihakralj/QuanTAlib/blob/main/Docs/gett
 
 | **BASIC TRANSFORMS** | **QuanTAlib** | **TA-LIB** | **Skender** |
 |--|:--:|:--:|:--:|
-| ✔️ OC2 - (Open+Close)/2 |️ `.OC2` || ️`GetBaseQuote` |
+| ✔️ OC2 - (Open+Close)/2 |️ `.OC2` || ️GetBaseQuote |
-| ⭐ HL2 - Median Price | `.HL2` | `MEDPRICE` | ️`GetBaseQuote` |
+| ⭐ HL2 - Median Price | `.HL2` | MEDPRICE | ️GetBaseQuote |
-| ⭐ HLC3 - Typical Price | `.HLC3` | `TYPPRICE` ||
+| ⭐ HLC3 - Typical Price | `.HLC3` | TYPPRICE ||
 | ✔️ OHL3 - (Open+High+Low)/3 | `.OHL3` |||
-| ⭐ OHLC4 - Average Price | `.OHLC4` | `AVGPRICE` |️ `GetBaseQuote` |
+| ⭐ OHLC4 - Average Price | `.OHLC4` | AVGPRICE |️ GetBaseQuote |
-| ⭐ HLCC4 - Weighted Price |  `.HLCC4` | `WCLPRICE` ||
+| ⭐ HLCC4 - Weighted Price |  `.HLCC4` | WCLPRICE ||
-| ✔️ ZL - De-lagged price (Zero-Lag) | `ZL_Series` |||
+| ⭐ MAX - Max value | `MAX_Series` | MAX ||
-| ⭐ MAX - Max value | `MAX_Series` | `MAX` ||
+| ⭐ MIN - Min value | `MIN_Series` | MIN ||
-| ⛔ MID - Midpoint value || `MIDPOINT` ||
+| ⛔ MID - Midpoint value || MIDPOINT ||
-| ⛔ MIDP - Midpoint price || `MIDPRICE` ||
+| ⛔ MIDP - Midpoint price || MIDPRICE ||
-| ⭐ MIN - Min value | `MIN_Series` | `MIN` ||
+| ⛔ SUM - Summation || SUM ||
-| ⭐ ADD - Addition | `ADD_Series` | `ADD` ||
+| ⭐ ADD - Addition | `ADD_Series` | ADD ||
-| ⭐ SUB - Subtraction | `SUB_Series` | `SUB` ||
+| ⭐ SUB - Subtraction | `SUB_Series` | SUB ||
-| ⭐ MUL - Multiplication | `MUL_Series` | `MUL` ||
+| ⭐ MUL - Multiplication | `MUL_Series` | MUL ||
-| ⭐ DIV - Division | `DIV_Series` | `DIV` ||
+| ⭐ DIV - Division | `DIV_Series` | DIV ||
 |||||
 | **STATISTICS & NUMERICAL ANALYSIS** | **QuanTAlib** | **TA-LIB** | **Skender** |
-| ✔️ BIAS - Bias | BIAS_Series |||
+| ✔️ BIAS - Bias | `BIAS_Series` |||
 | ⛔ CORREL - Pearson's Correlation Coefficient || CORREL | GetCorrelation |
 | ⛔ COVAR - Covariance ||| GetCorrelation |
-| ✔️ ENTP - Entropy | ENTP_Series |||
+| ✔️ ENTP - Entropy | `ENTP_Series` |||
-| ✔️ KURT - Kurtosis | KURT_Series |||
+| ✔️ KURT - Kurtosis | `KURT_Series` |||
-| ⭐ LINREG - Linear Regression | LINREG_Series || GetSlope |
+| ⭐ LINREG - Linear Regression | `LINREG_Series` || GetSlope |
-| ⭐ MAD - Mean Absolute Deviation | MAD_Series || GetSma |
+| ⭐ MAD - Mean Absolute Deviation | `MAD_Series` || GetSma |
-| ⭐ MAPE - Mean Absolute Percent Error | MAPE_Series || GetSma |
+| ⭐ MAPE - Mean Absolute Percent Error | `MAPE_Series` || GetSma |
-| ✔️ MED - Median value | MED_Series |||
+| ✔️ MED - Median value | `MED_Series` |||
-| ✔️ MSE - Mean Squared Error | MSE_Series || GetSma |
+| ✔️ MSE - Mean Squared Error | `MSE_Series` || GetSma |
 | ⛔ SKEW - Skewness ||||
-| ⭐ SDEV - Standard Deviation (Volatility) | SDEV_Series |||
+| ⭐ SDEV - Standard Deviation (Volatility) | `SDEV_Series` | STDDEV ||
-| ✔️ SSDEV - Sample Standard Deviation | SSDEV_Series |||
+| ✔️ SSDEV - Sample Standard Deviation | `SSDEV_Series` |||
-| ✔️ SMAPE - Symmetric Mean Absolute Percent Error | SMAPE_Series |||
+| ✔️ SMAPE - Symmetric Mean Absolute Percent Error | `SMAPE_Series` |||
-| ✔️ VAR - Population Variance | VAR_Series |||
+| ✔️ VAR - Population Variance | `VAR_Series` | VAR ||
-| ✔️ SVAR - Sample Variance | SVAR_Series |||
+| ✔️ SVAR - Sample Variance | `SVAR_Series` |||
 | ⛔ QUANT - Quantile ||||
-| ✔️ WMAPE - Weighted Mean Absolute Percent Error | WMAPE_Series |||
+| ✔️ WMAPE - Weighted Mean Absolute Percent Error | `WMAPE_Series` |||
 | ⛔ ZSCORE - Number of standard deviations from mean ||||
 |||||
 | **TREND INDICATORS & AVERAGES** | **QuanTAlib** | **TA-LIB** | **Skender** |
 | ⛔ AFIRMA - Autoregressive Finite Impulse Response Moving Average ||||
-| ⭐ ALMA - Arnaud Legoux Moving Average | ALMA_Series || GetAlma |
+| ⭐ ALMA - Arnaud Legoux Moving Average | `ALMA_Series` || GetAlma |
 | ⛔ ARIMA - Autoregressive Integrated Moving Average ||||
-| ⭐ DEMA - Double EMA Average | DEMA_Series | DEMA | GetDema |
+| ⭐ DEMA - Double EMA Average | `DEMA_Series` | DEMA | GetDema |
-| ⭐ EMA - Exponential Moving Average | EMA_Series || GetEma |
+| ⭐ EMA - Exponential Moving Average | `EMA_Series` || GetEma |
 | ⛔ EPMA - Endpoint Moving Average ||| GetEpma |
+| ⛔ FRAMA - Fractal Adaptive Moving Average ||||
 | ⛔ FWMA - Fibonacci's Weighted Moving Average ||||
-| ✔️ HEMA - Hull/EMA Average | HEMA_Series |||
+| ⛔ HILO - Gann High-Low Activator ||||
+| ✔️ HEMA - Hull/EMA Average | `HEMA_Series` |||
 | ⛔ Hilbert Transform Instantaneous Trendline || HT_TRENDLINE | GetHtTrendline |
-| ⭐ HMA - Hull  Moving Average | HMA_Series || GetHma |
+| ⭐ HMA - Hull  Moving Average | `HMA_Series` || GetHma |
 | ⛔ HWMA - Holt-Winter Moving Average ||||
-| ✔️ JMA - Jurik Moving Average | JMA_Series |||
+| ✔️ JMA - Jurik Moving Average | `JMA_Series` |||
-| ⭐ KAMA - Kaufman's Adaptive Moving Average | KAMA_Series | KAMA | GetKama |
+| ⭐ KAMA - Kaufman's Adaptive Moving Average | `KAMA_Series` | KAMA | GetKama |
+| ⛔ KDJ - KDJ Indicator (trend reversal) ||||
 | ⛔ LSMA - Least Squares Moving Average ||||
-| ⭐ MACD - Moving Average Convergence/Divergence | MACD_Series | MACD | GetMacd |
+| ⭐ MACD - Moving Average Convergence/Divergence | `MACD_Series` | MACD | GetMacd |
 | ⛔ MAMA - MESA Adaptive Moving Average || MAMA | GetMama |
+| ⛔ MCGD - McGinley Dynamic ||||
 | ⛔ MMA - Modified Moving Average ||||
 | ⛔ PPMA - Pivot Point Moving Average ||||
 | ⛔ PWMA - Pascal's Weighted Moving Average ||||
-| ✔️ RMA - WildeR's Moving Average | RMA__Series |||
+| ✔️ RMA - WildeR's Moving Average | `RMA_Series` |||
 | ⛔ SINWMA - Sine Weighted Moving Average ||||
-| ⭐ SMA - Simple Moving Average | SMA_Series |||
+| ⭐ SMA - Simple Moving Average | `SMA_Series` | SMA | GetSma |
-| ⭐ SMMA - Smoothed Moving Average | SMMA_Series |||
+| ⭐ SMMA - Smoothed Moving Average | `SMMA_Series` |||
 | ⛔ SSF - Ehler's Super Smoother Filter ||||
 | ⛔ SUP - Supertrend ||||
 | ⛔ SWMA - Symmetric Weighted Moving Average ||||
-| ⛔ T3 - Tillson T3 Moving Average ||||
+| ⛔ T3 - Tillson T3 Moving Average || T3 | GetT3 |
-| ⭐ TEMA - Triple EMA Average | TEMA_Series |||
+| ⭐ TEMA - Triple EMA Average | `TEMA_Series` | TEMA | GetTema |
-| ⛔ TRIMA - Triangular Moving Average ||||
+| ⭐ TRIMA - Triangular Moving Average | `TRIMA_Series` | TRIMA ||
+| ⛔ TSF - Time Series Forecast || TSF ||
 | ⛔ VIDYA - Variable Index Dynamic Average ||||
-| ⭐ WMA - Weighted Moving Average | WMA_Series |||
+| ⛔ VOR - Vortex Indicator ||||
-| ✔️ ZLEMA - Zero Lag EMA Average | ZLEMA_Series |||
+| ⭐ WMA - Weighted Moving Average | `WMA_Series` | WMA | GetWma |
+| ✔️ ZLEMA - Zero Lag EMA Average | `ZLEMA_Series` |||
 |||||
 | **VOLATILITY INDICATORS** | **QuanTAlib** | **TA-LIB** | **Skender** |
-| ⭐ ADL - Chaikin Accumulation Distribution Line | ADL_Series | AD | GetAdl |
+| ⭐ ADL - Chaikin Accumulation Distribution Line | `ADL_Series` | AD | GetAdl |
-| ⭐ ADOSC - Chaikin Accumulation Distribution Oscillator | ADOSC_Series | ADOSC| GetAdl |
+| ⭐ ADOSC - Chaikin Accumulation Distribution Oscillator | `ADOSC_Series` | ADOSC| GetAdl |
-| ⭐ ATR - Average True Range | ATR_Series | ATR | GetAtr |
+| ⭐ ATR - Average True Range | `ATR_Series` | ATR | GetAtr |
-| ⭐ ATRP - Average True Range Percent | ATRP_Series || GetAtr |
+| ⭐ ATRP - Average True Range Percent | `ATRP_Series` || GetAtr |
-| ✔️ BETA - Beta coefficient || BETA | GetBeta |
+| ⛔ BETA - Beta coefficient || BETA | GetBeta |
-| ⭐ BBANDS - Bollinger Bands® | BBANDS_Series | BBANDS | GetBollingerBands |
+| ⭐ BBANDS - Bollinger Bands® | `BBANDS_Series` | BBANDS | GetBollingerBands |
+| ⛔ CHAND - Chandelier Exit ||| GetChandelier |
 | ⛔ CRSI - Connor RSI ||| GetConnorsRsi |
 | ⛔ DON - Donchian Channels ||| GetDonchian |
 | ⛔ FCB - Fractal Chaos Bands ||| GetFcb |
@@ -122,11 +129,12 @@ See [Getting Started](https://github.com/mihakralj/QuanTAlib/blob/main/Docs/gett
 | ⛔ ICH - Ichimoku ||| GetIchimoku |
 | ⛔ KEL - Keltner Channels ||| GetKeltner |
 | ⛔ NATR - Normalized Average True Range || NATR | GetAtr |
-| ⭐ RSI - Relative Strength Index | RSI_Series ||
+| ⛔ CHN - Price Channel Indicator ||||
+| ⭐ RSI - Relative Strength Index | `RSI_Series` | RSI | GetRsi |
 | ⛔ SAR - Parabolic Stop and Reverse || SAR | GetParabolicSar |
-| ⛔ SRSI - Stochastic RSI ||||
+| ⛔ SRSI - Stochastic RSI || STOCHRSI | GetStochRsi |
 | ⛔ STARC - Starc Bands ||||
-| ⭐ TR - True Range | TR_Series |||
+| ⭐ TR - True Range | `TR_Series` | TRANGE | GetTr |
 | ⛔ UI - Ulcer Index ||||
 | ⛔ VSTOP - Volatility Stop ||||
 |||||
@@ -138,11 +146,11 @@ See [Getting Started](https://github.com/mihakralj/QuanTAlib/blob/main/Docs/gett
 | ⛔ APO - Absolute Price Oscillator || APO ||
 | ⛔ AROON - Aroon oscillator || AROON | GetAroon |
 | ⛔ BOP - Balance of Power || BOP | GetBop |
-| ⭐ CCI - Commodity Channel Index | CCI_Series | CCI | GetCci |
+| ⭐ CCI - Commodity Channel Index | `CCI_Series` | CCI | GetCci |
 | ⛔ CFO - Chande Forcast Oscillator ||||
-| ⛔ CMF - Chaikin Money Flow ||||
 | ⛔ CMO - Chande Momentum Oscillator || CMO | GetCmo |
 | ⛔ COG - Center of Gravity ||||
+| ⛔ COPPOCK - Coppock Curve ||||
 | ⛔ CTI - Ehler's Correlation Trend Indicator ||||
 | ⛔ DPO - Detrended Price Oscillator ||| GetDpo |
 | ⛔ DMI - Directional Movement Index || DX | GetAdx |
@@ -152,23 +160,28 @@ See [Getting Started](https://github.com/mihakralj/QuanTAlib/blob/main/Docs/gett
 | ⛔ KRI - Kairi Relative Index ||||
 | ⛔ KVO - Klinger Volume Oscillator ||||
 | ⛔ MFI - Money Flow Index || MFI | GetMfi |
-| ⛔ ROC - Rate of Change (Momentum) || MOM | GetRoc |
+| ⛔ MOM - Momentum || MOM ||
 | ⛔ NVI - Negative Volume Index ||||
 | ⛔ PO - Price Oscillator ||||
 | ⛔ PPO - Percentage Price Oscillator || PPO ||
 | ⛔ PMO - Price Momentum Oscillator ||||
 | ⛔ PVI - Positive Volume Index ||||
+| ⛔ ROC - Rate of Change || MOM | GetRoc |
 | ⛔ RVGI - Relative Vigor Index ||||
 | ⛔ SMI - Stochastic Momentum Index ||||
-| ⛔ STOCH - Stochastic Oscillator ||||
+| ⛔ STC - Schaff Trend Cycle ||||
-| ⛔ TRIX - 1-day ROC of TEMA ||||
+| ⛔ STOCH - Stochastic Oscillator || STOCH | GetStoch |
+| ⛔ TRIX - 1-day ROC of TEMA || TRIX | GetTrix |
 | ⛔ TSI - True Strength Index ||||
-| ⛔ UO - Ultimate Oscillator ||||
+| ⛔ UO - Ultimate Oscillator || ULTOSC | GetUltimate |
+| ⛔ WILLR - Larry Williams' %R || WILLR | GetWilliamsR |
 | ⛔ WGAT - Williams Alligator ||||
 |||||
 | **VOLUME INDICATORS** | **QuanTAlib** | **TA-LIB** | **Skender** |
 | ⛔ AOBV - Archer On-Balance Volume ||||
-| ⛔ OBV - On-Balance Volume || OBV | GetObv |
+| ⛔ CMF - Chaikin Money Flow ||||
+| ⛔ EOM - Ease of Movement ||||
+| ⭐ OBV - On-Balance Volume | `OBV_Series` | OBV | GetObv |
 | ⛔ PRS - Price Relative Strength |||
 | ⛔ PVOL - Price-Volume ||||
 | ⛔ PVO - Percentage Volume Oscillator ||||
@@ -177,17 +190,3 @@ See [Getting Started](https://github.com/mihakralj/QuanTAlib/blob/main/Docs/gett
 | ⛔ VP - Volume Profile ||||
 | ⛔ VWAP - Volume Weighted Average Price ||||
 | ⛔ VWMA - Volume Weighted Moving Average ||||
-|||||
-|**Unsorted** | **QuanTAlib** | **TA-LIB** | **Skender** |
-| ⛔ CHN - Price Channel ||||
-| ⛔ COPPOCK - Coppock Curve ||||
-| ⛔ EOM - Ease of Movement ||||
-| ⛔ HILO - Gann High-Low Activator ||||
-| ⛔ HT - HT Trendline ||||
-| ⛔ MCGD - McGinley Dynamic ||||
-| ⛔ STC - Schaff Trend Cycle ||||
-| ⛔ WILLR - Larry Williams' %R ||||
-| ⛔ VOR - Vortex Indicator ||||
-| ⛔ PVT - Pivot Points ||||
-| ⛔ KDJ - KDJ Index ||||
-| ⛔ CHAND - Chandelier Exit ||||