diff --git a/lib/core/ringbuffer/RingBuffer.Tests.cs b/lib/core/ringbuffer/RingBuffer.Tests.cs
index 7e5e9b6c..27b7df8a 100644
--- a/lib/core/ringbuffer/RingBuffer.Tests.cs
+++ b/lib/core/ringbuffer/RingBuffer.Tests.cs
@@ -372,7 +372,7 @@ public class RingBufferTests
         buffer.Add(20.0);
         buffer.Add(30.0);
 
-        var values = new List<double>();
+        List<double> values = [];
         foreach (var v in buffer)
         {
             values.Add(v);
@@ -395,7 +395,7 @@ public class RingBufferTests
         buffer.Add(40.0);
         buffer.Add(50.0);
 
-        var values = new List<double>();
+        List<double> values = [];
         foreach (var v in buffer)
         {
             values.Add(v);
@@ -637,7 +637,7 @@ public class RingBufferTests
         buffer.Add(20.0);
 
         IEnumerable<double> enumerable = buffer;
-        var values = new List<double>();
+        List<double> values = [];
         foreach (var v in enumerable)
         {
             values.Add(v);
@@ -656,7 +656,7 @@ public class RingBufferTests
         buffer.Add(20.0);
 
         IEnumerable enumerable = buffer;
-        var values = new List<double>();
+        List<double> values = [];
         foreach (var v in enumerable)
         {
             values.Add((double)v);
diff --git a/lib/core/ringbuffer/RingBuffer.cs b/lib/core/ringbuffer/RingBuffer.cs
index 06479c57..a9018708 100644
--- a/lib/core/ringbuffer/RingBuffer.cs
+++ b/lib/core/ringbuffer/RingBuffer.cs
@@ -526,10 +526,10 @@ public sealed class RingBuffer : IEnumerable<double>
             _index == other._index &&
             _current.Equals(other._current);
 
-        public override readonly bool Equals(object? obj) =>
+        public readonly override bool Equals(object? obj) =>
             obj is Enumerator other && Equals(other);
 
-        public override readonly int GetHashCode() =>
+        public readonly override int GetHashCode() =>
             HashCode.Combine(RuntimeHelpers.GetHashCode(_buffer), _start, _count, _index, _current);
 
         public static bool operator ==(Enumerator left, Enumerator right) => left.Equals(right);
diff --git a/lib/core/tbarseries/tbarseries.cs b/lib/core/tbarseries/tbarseries.cs
index 0a773d3c..2b0696cd 100644
--- a/lib/core/tbarseries/tbarseries.cs
+++ b/lib/core/tbarseries/tbarseries.cs
@@ -106,14 +106,12 @@ public delegate void TBarPublishedHandler(object? sender, in TBarEventArgs args)
 
 public class TBarSeries : IReadOnlyList<TBar>
 {
-#pragma warning disable MA0016 // Prefer using collection abstraction instead of implementation
-    protected readonly List<long> _t;
-    protected readonly List<double> _o;
-    protected readonly List<double> _h;
-    protected readonly List<double> _l;
-    protected readonly List<double> _c;
-    protected readonly List<double> _v;
-#pragma warning restore MA0016
+    private readonly List<long> _t;
+    private readonly List<double> _o;
+    private readonly List<double> _h;
+    private readonly List<double> _l;
+    private readonly List<double> _c;
+    private readonly List<double> _v;
 
     public string Name { get; set; } = "Bar";
     public event TBarPublishedHandler? Pub;
diff --git a/lib/core/tseries/tseries.cs b/lib/core/tseries/tseries.cs
index 2389ed8d..cccbb186 100644
--- a/lib/core/tseries/tseries.cs
+++ b/lib/core/tseries/tseries.cs
@@ -99,8 +99,8 @@ public class TSeries : IReadOnlyList<TValue>, ITValuePublisher
         }
         else
         {
-            _t = new List<long>(time);
-            _v = new List<double>(values);
+            _t = [..time];
+            _v = [..values];
         }
     }
 
diff --git a/lib/core/tvalue/tvalue.cs b/lib/core/tvalue/tvalue.cs
index e557b362..9fb96f66 100644
--- a/lib/core/tvalue/tvalue.cs
+++ b/lib/core/tvalue/tvalue.cs
@@ -33,7 +33,7 @@ public readonly record struct TValue(long Time, double Value)
             double.PositiveInfinity => ((char)0x221E).ToString(),
             double.NegativeInfinity => "-" + (char)0x221E,
             _ when double.IsNaN(Value) => "NaN",
-            _ => Value.ToString("F2")
+            _ => Value.ToString("F2"),
         };
         return $"[{AsDateTime:yyyy-MM-dd HH:mm:ss}, {valueStr}]";
     }
diff --git a/quantower/IndicatorExtensions.cs b/quantower/IndicatorExtensions.cs
index d63a3b1e..7fc85b9d 100644
--- a/quantower/IndicatorExtensions.cs
+++ b/quantower/IndicatorExtensions.cs
@@ -115,7 +115,7 @@ public static class IndicatorExtensions
         int count = leftIndex - rightIndex;
         if (count <= 0) return Array.Empty<Point>();
 
-        Point[] allPoints = new Point[count];
+        var allPoints = new Point[count];
 
         for (int i = 0; i < count; i++)
         {
@@ -191,7 +191,7 @@ public static class IndicatorExtensions
                 if (showColdValues)
                 {
                     int coldStart = Math.Max(0, hotCount);
-                    int coldSegments = (count - 1) - coldStart;
+                    int coldSegments = count -  coldStart - 1;
 
                     if (coldSegments > 0)
                     {