new: EQUITY_Series

Add new EQUITY_Series and updates to docs, Calculations, Indicators, Strategies, Tests, and .github/workflows

.github/workflows/main_automation.yml

@@ -34,6 +34,7 @@ jobs:
       with:
         useConfigFile: true
         configFilePath: /a/QuanTAlib/QuanTAlib/GitVersion.yml
+        additionalArguments: '/updateassemblyinfo /ensureassemblyinfo'
 
     - name: Display GitVersion variables (without prefix)
       run: |

Calculations/Calculations.csproj

@@ -1,7 +1,7 @@
-<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
-<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Title>QuanTAlib</Title>
+    <Version>0.2.0</Version>
     <Product>Library of TA Calculations, Charts and Strategies for Quantower</Product>
     <Description>Quantitative Technical Analysis Library in C# for Quantower</Description>
     <RepositoryType>git</RepositoryType>
@@ -31,6 +31,9 @@
     </PackageTags>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageLicenseFile></PackageLicenseFile>
+    <AssemblyVersion>0.2.1.0</AssemblyVersion>
+    <FileVersion>0.2.1.0</FileVersion>
+    <InformationalVersion>0.2.1-dev.2+Branch.dev.Sha.cb5fe2dc86a78fe9358da810d17952c82299ed3d</InformationalVersion>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <DebugType>full</DebugType>
@@ -51,7 +54,7 @@
     <PackageIconUrl>https://raw.githubusercontent.com/mihakralj/QuanTAlib/main/.github/QuanTAlib2.png</PackageIconUrl>
     <EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
     <CodeAnalysisRuleSet>..\.sonarlint\mihakralj_quantalibcsharp.ruleset</CodeAnalysisRuleSet>
-    <Version />
+    <Version>0.2.1-dev.2</Version>
   </PropertyGroup>
   <ItemGroup>
     <AdditionalFiles Include="..\.sonarlint\mihakralj_quantalib\CSharp\SonarLint.xml" Link="SonarLint.xml" />
@@ -66,9 +69,5 @@
       <Visible>False</Visible>
       <PackagePath></PackagePath>
     </None>
-    <PackageReference Include="GitVersion.MsBuild" Version="5.12.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
   </ItemGroup>
 </Project>

Calculations/Logic/EQUITY_Series.cs

@@ -0,0 +1,58 @@
+namespace QuanTAlib;
+using System;
+
+/* <summary>
+EQUITY - Generates P&L portfolio based on trades signals and equity prices
+    
+</summary> */
+
+
+//base prices: bars.close
+//trade signals: trades
+//optional: long, short, long&short
+//optional: warmup period: warmup
+
+public class EQUITY_Series : Single_TSeries_Indicator {
+	int trade_state = 0;
+	readonly int _warmup = 0;
+	double eq_value = 0;
+	readonly TSeries _prices;
+	readonly bool _long, _short;
+	public EQUITY_Series(TSeries trades, TSeries prices, bool Long = true, bool Short = false, int Warmup = 0) : base(trades, period: 0, useNaN: false) {
+		_prices = prices;
+		_long = Long;
+		_short = Short;
+		_warmup = Warmup;
+		if (base._data.Count > 0) { base.Add(base._data); }
+	}
+
+	public override void Add((System.DateTime t, double v) TValue, bool update) {
+		if (this.Count != 0)
+			eq_value = this[this.Count - 1].v;
+
+		//buy signal
+		if (TValue.v == 1 && this.Count > _warmup) {
+			//we are not in-market and we can do long trades
+			if (_short) { trade_state = 0; }
+			if (_long) { trade_state = 1; }
+		}
+
+		//sell signal
+		if (TValue.v == -1 && this.Count > _warmup) {
+			//we are in-market and we can do long trades
+			if (_long) { trade_state = 0; }
+			if (_short) { trade_state = -1; }
+		}
+
+		if (trade_state == 1) {
+			eq_value = this[this.Count - 1].v + (_prices[this.Count].v - _prices[this.Count - 1].v);
+
+		}
+
+		if (trade_state == -1) {
+			eq_value = this[this.Count - 1].v + (_prices[this.Count - 1].v - _prices[this.Count].v);
+
+		}
+		base.Add((TValue.t, eq_value), update, _NaN);
+	}
+}

Calculations/Trends/HWMA_Series.cs

@@ -25,7 +25,7 @@ HWMA[i] = F[i] + V[i] + 0.5 * A[i]
 </summary> */
 
 public class HWMA_Series : Single_TSeries_Indicator {
-	double _nA, _nB, _nC;
+	readonly double _nA, _nB, _nC;
 	double _pF, _pV, _pA;
 	double _ppF, _ppV, _ppA;
 

Calculations/Trends/MAMA_Series.cs

@@ -25,7 +25,8 @@ public class MAMA_Series : Single_TSeries_Indicator
         if (base._data.Count > 0) { base.Add(base._data); }
     }
 
-    private double sumPr, jI, jQ, fastl, slowl;
+  private double sumPr, jI, jQ;
+  readonly double fastl, slowl;
     private (double i, double i1, double i2, double i3, double i4, double i5, double i6, double io) pr, i1, q1, sm, dt;
     private (double i, double i1, double io) i2, q2, re, im, pd, ph, mama, fama;
     public TSeries Fama { get; }

GitVersion.yml

@@ -6,13 +6,15 @@ branches:
     is-mainline: true
     prevent-increment-of-merged-branch-version: true
     track-merge-target: false
-    increment: inherit
+    increment: Patch
     source-branches: [ 'develop' ]
     is-release-branch: true
     is-mainline: true
-    continuous-delivery-fallback-tag: ''
+    label: ''
+    #continuous-delivery-fallback-tag: ''
   develop:
     regex: ^dev$
+    increment: Patch
     is-release-branch: false
     prevent-increment-of-merged-branch-version: false
     track-merge-target: true
@@ -20,10 +22,10 @@ branches:
     is-release-branch: false
     tracks-release-branches: true
     is-mainline: false
-    tag: dev
+    label: dev
 ignore:
   sha: []
 major-version-bump-message: '\+semver:\s?(feature|major)'
-minor-version-bump-message: '\+semver:\s?(new|update|minor)'
+minor-version-bump-message: '\+semver:\s?(new|update|minor|add)'
 no-bump-message: '\+semver:\s?(skip|none|fix)'
 

Indicators/Indicators.csproj

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
-<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <LangVersion>preview</LangVersion>
@@ -13,6 +12,10 @@
     <Nullable>disable</Nullable>
     <SignAssembly>False</SignAssembly>
     <CodeAnalysisRuleSet>..\.sonarlint\mihakralj_quantalibcsharp.ruleset</CodeAnalysisRuleSet>
+    <AssemblyVersion>0.2.1.0</AssemblyVersion>
+    <FileVersion>0.2.1.0</FileVersion>
+    <InformationalVersion>0.2.1-dev.2+Branch.dev.Sha.cb5fe2dc86a78fe9358da810d17952c82299ed3d</InformationalVersion>
+    <Version>0.2.1-dev.2</Version>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <Optimize>True</Optimize>

Strategies/Strategies.csproj

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
-<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <LangVersion>preview</LangVersion>
@@ -13,6 +12,10 @@
     <Nullable>disable</Nullable>
     <SignAssembly>False</SignAssembly>
     <CodeAnalysisRuleSet>..\.sonarlint\mihakralj_quantalibcsharp.ruleset</CodeAnalysisRuleSet>
+    <AssemblyVersion>0.2.1.0</AssemblyVersion>
+    <FileVersion>0.2.1.0</FileVersion>
+    <InformationalVersion>0.2.1-dev.2+Branch.dev.Sha.cb5fe2dc86a78fe9358da810d17952c82299ed3d</InformationalVersion>
+    <Version>0.2.1-dev.2</Version>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <Optimize>True</Optimize>

Tests/Tests.csproj

@@ -6,11 +6,15 @@
     <Nullable>enable</Nullable>
     <IsPackable>false</IsPackable>
     <Platforms>AnyCPU;x64</Platforms>
+    <AssemblyVersion>0.2.1.0</AssemblyVersion>
+    <FileVersion>0.2.1.0</FileVersion>
+    <InformationalVersion>0.2.1-dev.2+Branch.dev.Sha.cb5fe2dc86a78fe9358da810d17952c82299ed3d</InformationalVersion>
+    <Version>0.2.1-dev.2</Version>
   </PropertyGroup>
   <ItemGroup>
-      <PackageReference Include="Python.Included" Version="3.11.2" />
+    <PackageReference Include="Python.Included" Version="3.11.2" />
-      <PackageReference Include="pythonnet" Version="3.1.0-preview2023-03-04" />
+    <PackageReference Include="pythonnet" Version="3.1.0-preview2023-03-04" />
-      <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
@@ -21,11 +25,9 @@
     <PackageReference Include="Tulip.NETCore" Version="0.8.0.1" />
     <PackageReference Include="System.Text.Json" Version="8.0.0-preview.2.23128.3" />
   </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\Calculations\Calculations.csproj" />
   </ItemGroup>
-
   <ItemGroup>
     <None Remove="Python.Included" />
     <None Remove="pythonnet" />

docs/getting_started.ipynb

@@ -2,14 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "metadata": {
+   "metadata": {},
-    "dotnet_interactive": {
-     "language": "csharp"
-    },
-    "polyglot_notebook": {
-     "kernelName": "csharp"
-    }
-   },
    "source": [
     "# Quick Start\n",
     "\n",
@@ -24,16 +17,39 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {
     "dotnet_interactive": {
      "language": "csharp"
-    },
-    "vscode": {
-     "languageId": "polyglot-notebook"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div><div></div><div></div><div></div></div>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "index\t data\t\t sma(data)\t ema(sma(data))\t wma(ema(sma(data)))\n",
+      "0\t 2023-03-27\t 158.28\t\t 158.28\t\t NaN\n",
+      "1\t 2023-03-28\t 157.97\t\t 158.12\t\t NaN\n",
+      "2\t 2023-03-29\t 158.90\t\t 158.38\t\t NaN\n",
+      "3\t 2023-03-30\t 159.77\t\t 158.73\t\t NaN\n",
+      "4\t 2023-03-31\t 160.79\t\t 159.14\t\t 158.69\n",
+      "5\t 2023-04-03\t 162.37\t\t 160.22\t\t 159.25\n",
+      "6\t 2023-04-04\t 163.97\t\t 161.47\t\t 160.10\n",
+      "7\t 2023-04-05\t 164.56\t\t 162.50\t\t 161.07\n",
+      "8\t 2023-04-06\t 165.02\t\t 163.34\t\t 162.04\n"
+     ]
+    }
+   ],
    "source": [
     "#r \"nuget:QuanTAlib;\"\n",
     "using QuanTAlib;\n",
@@ -51,14 +67,7 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
+   "metadata": {},
-    "dotnet_interactive": {
-     "language": "csharp"
-    },
-    "polyglot_notebook": {
-     "kernelName": "csharp"
-    }
-   },
    "source": [
     "## Understanding QuanTAlib data model\n",
     "\n",
@@ -67,16 +76,54 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {
     "dotnet_interactive": {
      "language": "csharp"
-    },
-    "vscode": {
-     "languageId": "polyglot-notebook"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>(4/7/2023 12:00:00 AM, 105.3)</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Item1</td><td><span>2023-04-07 00:00:00Z</span></td></tr><tr><td>Item2</td><td><div class=\"dni-plaintext\"><pre>105.3</pre></div></td></tr></tbody></table></div></details></td></tr><tr><td>1</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>(4/7/2023 2:34:48 PM, 293.1)</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Item1</td><td><span>2023-04-07 14:34:48Z</span></td></tr><tr><td>Item2</td><td><div class=\"dni-plaintext\"><pre>293.1</pre></div></td></tr></tbody></table></div></details></td></tr><tr><td>2</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>(4/7/2023 2:34:48 PM, 0)</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Item1</td><td><span>2023-04-07 14:34:48Z</span></td></tr><tr><td>Item2</td><td><div class=\"dni-plaintext\"><pre>0</pre></div></td></tr></tbody></table></div></details></td></tr><tr><td>3</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>(4/4/2023 2:34:48 PM, 10)</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Item1</td><td><span>2023-04-04 14:34:48Z</span></td></tr><tr><td>Item2</td><td><div class=\"dni-plaintext\"><pre>10</pre></div></td></tr></tbody></table></div></details></td></tr></tbody></table><style>\r\n",
+       ".dni-code-hint {\r\n",
+       "    font-style: italic;\r\n",
+       "    overflow: hidden;\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview {\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview td {\r\n",
+       "    vertical-align: top;\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "details.dni-treeview {\r\n",
+       "    padding-left: 1em;\r\n",
+       "}\r\n",
+       "table td {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "table tr { \r\n",
+       "    vertical-align: top; \r\n",
+       "    margin: 0em 0px;\r\n",
+       "}\r\n",
+       "table tr td pre \r\n",
+       "{ \r\n",
+       "    vertical-align: top !important; \r\n",
+       "    margin: 0em 0px !important;\r\n",
+       "} \r\n",
+       "table th {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "</style>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
    "source": [
     "var item1 = (DateTime.Today, 105.3);        // (DateTime, Value) tuple\n",
     "double item2 = 293.1;                       // a simple double\n",
@@ -92,60 +139,122 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
+   "metadata": {},
-    "dotnet_interactive": {
-     "language": "csharp"
-    },
-    "polyglot_notebook": {
-     "kernelName": "csharp"
-    }
-   },
    "source": [
     "TSeries list can display only values (without timestamps) or only timestamps (without values) by using `.v` or `.t` properties"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {
     "dotnet_interactive": {
      "language": "csharp"
-    },
-    "vscode": {
-     "languageId": "polyglot-notebook"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div class=\"dni-plaintext\"><pre>[ 105.3, 293.1, 0, 10 ]</pre></div><style>\r\n",
+       ".dni-code-hint {\r\n",
+       "    font-style: italic;\r\n",
+       "    overflow: hidden;\r\n",
+       "    white-space: nowrap;\r\n",
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+       ".dni-treeview {\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview td {\r\n",
+       "    vertical-align: top;\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "details.dni-treeview {\r\n",
+       "    padding-left: 1em;\r\n",
+       "}\r\n",
+       "table td {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "table tr { \r\n",
+       "    vertical-align: top; \r\n",
+       "    margin: 0em 0px;\r\n",
+       "}\r\n",
+       "table tr td pre \r\n",
+       "{ \r\n",
+       "    vertical-align: top !important; \r\n",
+       "    margin: 0em 0px !important;\r\n",
+       "} \r\n",
+       "table th {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "</style>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
    "source": [
     "data.v"
    ]
   },
   {
    "cell_type": "markdown",
-   "metadata": {
+   "metadata": {},
-    "dotnet_interactive": {
-     "language": "csharp"
-    },
-    "polyglot_notebook": {
-     "kernelName": "csharp"
-    }
-   },
    "source": [
     "The last element on the list can be accessed by .Last() or by [^1] - and using `.t` (time) and `.v` (value) properties. Also, casting a TSeries into (double) will return the value of the last element"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {
     "dotnet_interactive": {
      "language": "csharp"
-    },
-    "vscode": {
-     "languageId": "polyglot-notebook"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div class=\"dni-plaintext\"><pre>10</pre></div><style>\r\n",
+       ".dni-code-hint {\r\n",
+       "    font-style: italic;\r\n",
+       "    overflow: hidden;\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview {\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview td {\r\n",
+       "    vertical-align: top;\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "details.dni-treeview {\r\n",
+       "    padding-left: 1em;\r\n",
+       "}\r\n",
+       "table td {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "table tr { \r\n",
+       "    vertical-align: top; \r\n",
+       "    margin: 0em 0px;\r\n",
+       "}\r\n",
+       "table tr td pre \r\n",
+       "{ \r\n",
+       "    vertical-align: top !important; \r\n",
+       "    margin: 0em 0px !important;\r\n",
+       "} \r\n",
+       "table th {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "</style>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
    "source": [
     "bool IsTheSame = data.Last().v == data[^1].v;\n",
     "double lastvalue = data;\n",
@@ -155,30 +264,61 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
+   "metadata": {},
-    "dotnet_interactive": {
-     "language": "csharp"
-    },
-    "polyglot_notebook": {
-     "kernelName": "csharp"
-    }
-   },
    "source": [
     "All indicators are just modified TSeries classes; they get all required input during class construction (source of the datafeed, period...) and they automatically subscribe to events of the datafeed. Whenever datafeed gets a new value, indicator will calculate its own value. Indicators are also event publishers, so other indicators can subscribe to their results, chaining indicators together:"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {
     "dotnet_interactive": {
      "language": "csharp"
-    },
-    "vscode": {
-     "languageId": "polyglot-notebook"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div class=\"dni-plaintext\"><pre>[ Infinity, 0.6666666666666666, 0.3333333333333333, 0.2, 0.14285714285714285, 0.1111111111111111, 0.09090909090909091, 0.07692307692307693, 0.06666666666666667, 0.058823529411764705, 0.25 ]</pre></div><style>\r\n",
+       ".dni-code-hint {\r\n",
+       "    font-style: italic;\r\n",
+       "    overflow: hidden;\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview {\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview td {\r\n",
+       "    vertical-align: top;\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "details.dni-treeview {\r\n",
+       "    padding-left: 1em;\r\n",
+       "}\r\n",
+       "table td {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "table tr { \r\n",
+       "    vertical-align: top; \r\n",
+       "    margin: 0em 0px;\r\n",
+       "}\r\n",
+       "table tr td pre \r\n",
+       "{ \r\n",
+       "    vertical-align: top !important; \r\n",
+       "    margin: 0em 0px !important;\r\n",
+       "} \r\n",
+       "table th {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "</style>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
    "source": [
     "TSeries t1 = new() {0,1,2,3,4,5,6,7,8,9}; // t1 is loaded with data and activated as a publisher\n",
     "EMA_Series t2 = new(t1, 3);     // t2 will auto-load all history of t1 and wait for events from t1\n",
@@ -194,14 +334,7 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
+   "metadata": {},
-    "dotnet_interactive": {
-     "language": "csharp"
-    },
-    "polyglot_notebook": {
-     "kernelName": "csharp"
-    }
-   },
    "source": [
     "# MACD compounded indicator\n",
     "\n",
@@ -210,16 +343,54 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {
     "dotnet_interactive": {
      "language": "csharp"
-    },
-    "vscode": {
-     "languageId": "polyglot-notebook"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div class=\"dni-plaintext\"><pre>[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -0.000974358974349343, -0.03456027049873228, -0.13792617985566447, -0.4729486712049916, -0.825402881197467, -0.8902360596814031, -0.9360607784903126, -0.7333381872239422 ... (79 more) ]</pre></div><style>\r\n",
+       ".dni-code-hint {\r\n",
+       "    font-style: italic;\r\n",
+       "    overflow: hidden;\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview {\r\n",
+       "    white-space: nowrap;\r\n",
+       "}\r\n",
+       ".dni-treeview td {\r\n",
+       "    vertical-align: top;\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "details.dni-treeview {\r\n",
+       "    padding-left: 1em;\r\n",
+       "}\r\n",
+       "table td {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "table tr { \r\n",
+       "    vertical-align: top; \r\n",
+       "    margin: 0em 0px;\r\n",
+       "}\r\n",
+       "table tr td pre \r\n",
+       "{ \r\n",
+       "    vertical-align: top !important; \r\n",
+       "    margin: 0em 0px !important;\r\n",
+       "} \r\n",
+       "table th {\r\n",
+       "    text-align: start;\r\n",
+       "}\r\n",
+       "</style>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
    "source": [
     "Yahoo_Feed aapl = new(\"AAPL\", 100);\n",
     "TSeries close = aapl.Close;                 // close will get data from history\n",
@@ -239,29 +410,31 @@
    "language": "C#",
    "name": ".net-csharp"
   },
+  "language_info": {
+   "name": "polyglot-notebook"
+  },
   "polyglot_notebook": {
    "kernelInfo": {
     "defaultKernelName": "csharp",
     "items": [
      {
       "aliases": [
-       "c#",
+       "C#",
-       "C#"
+       "c#"
       ],
       "languageName": "C#",
       "name": "csharp"
      },
-     {
-      "aliases": [
-       "frontend"
-      ],
-      "languageName": null,
-      "name": "vscode"
-     },
      {
       "aliases": [],
       "languageName": "KQL",
       "name": "kql"
+     },
+     {
+      "aliases": [
+       "frontend"
+      ],
+      "name": "vscode"
      }
     ]
    }