mirror of
https://github.com/mihakralj/QuanTAlib.git
synced 2026-08-22 04:28:04 +00:00
SIMD Refactor: Merge simd-dev into dev (#55)
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: aider (openrouter/anthropic/claude-sonnet-4) <aider@aider.chat> Co-authored-by: Warp <agent@warp.dev>
This commit is contained in:
co-authored by
Claude Opus 4.5
aider
Warp
parent
5bcdf8d614
commit
86fe32a682
@@ -0,0 +1,68 @@
|
||||
using System.Drawing;
|
||||
using System.Runtime.CompilerServices;
|
||||
using TradingPlatform.BusinessLayer;
|
||||
|
||||
namespace QuanTAlib;
|
||||
|
||||
[SkipLocalsInit]
|
||||
public sealed class BetaIndicator : Indicator, IWatchlistIndicator
|
||||
{
|
||||
[InputParameter("Period", sortIndex: 1, 1, 2000, 1, 0)]
|
||||
public int Period { get; set; } = 20;
|
||||
|
||||
[InputParameter("Asset Source", sortIndex: 2)]
|
||||
public SourceType AssetSource { get; set; } = SourceType.Close;
|
||||
|
||||
[InputParameter("Market Source", sortIndex: 3)]
|
||||
public SourceType MarketSource { get; set; } = SourceType.Close;
|
||||
|
||||
[InputParameter("Show cold values", sortIndex: 21)]
|
||||
public bool ShowColdValues { get; set; } = true;
|
||||
|
||||
private Beta _beta = null!;
|
||||
private readonly LineSeries _series;
|
||||
private Func<IHistoryItem, double> _assetSelector = null!;
|
||||
private Func<IHistoryItem, double> _marketSelector = null!;
|
||||
|
||||
public static int MinHistoryDepths => 2;
|
||||
int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
|
||||
|
||||
public override string ShortName => $"Beta({Period})";
|
||||
public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/statistics/beta/Beta.Quantower.cs";
|
||||
|
||||
public BetaIndicator()
|
||||
{
|
||||
OnBackGround = true;
|
||||
SeparateWindow = true;
|
||||
Name = "Beta Coefficient";
|
||||
Description = "Measures the volatility of an asset in relation to the overall market.";
|
||||
|
||||
_series = new LineSeries(name: "Beta", color: IndicatorExtensions.Statistics, width: 2, style: LineStyle.Solid);
|
||||
AddLineSeries(_series);
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
protected override void OnInit()
|
||||
{
|
||||
_beta = new Beta(Period);
|
||||
_assetSelector = AssetSource.GetPriceSelector();
|
||||
_marketSelector = MarketSource.GetPriceSelector();
|
||||
base.OnInit();
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
protected override void OnUpdate(UpdateArgs args)
|
||||
{
|
||||
var item = this.HistoricalData[this.Count - 1, SeekOriginHistory.Begin];
|
||||
double assetVal = _assetSelector(item);
|
||||
double marketVal = _marketSelector(item);
|
||||
var time = this.HistoricalData.Time();
|
||||
|
||||
var assetInput = new TValue(time, assetVal);
|
||||
var marketInput = new TValue(time, marketVal);
|
||||
|
||||
TValue result = _beta.Update(assetInput, marketInput, args.IsNewBar());
|
||||
|
||||
_series.SetValue(result.Value, _beta.IsHot, ShowColdValues);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user