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Add logic to all models to avoid selling and immediately buying back the same security as this is considered a Wash Trade and is illegal.

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Sean
2026-03-19 19:46:19 -04:00
parent 682ba74241
commit 554f577803
7 changed files with 109 additions and 25 deletions
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3
MarketDataLib/Generator/Momentum/Backtest.cs
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@@ -380,6 +380,7 @@ namespace MarketData.Generator.Momentum
else
{
Positions slotPositions=ActivePositions[slotIndex];
List<String> closedSymbols = slotPositions.ConvertAll(x => x.Symbol); // capture the closed symbols so we don't re-enter the position (avoid wash trades)
SellPositions(slotPositions,TradeDate);
MDTrace.WriteLine(LogLevel.DEBUG,"********************* S E L L *********************");
slotPositions.Display();
@@ -392,7 +393,7 @@ namespace MarketData.Generator.Momentum
cashAllocation = Math.Min(CashBalance, (ActivePositions.GetExposure() + CashBalance) / (double)HoldingPeriod);
MDTrace.WriteLine(LogLevel.DEBUG,String.Format("CASH ALLOCATION:{0}",Utility.FormatCurrency(cashAllocation)));
Positions positions = null;
positions=BuyPositions(TradeDate,AnalysisDate,cashAllocation,SymbolsHeld(TradeDate));
positions=BuyPositions(TradeDate,AnalysisDate,cashAllocation,new List<String>(SymbolsHeld(TradeDate).Concat(closedSymbols)));
MDTrace.WriteLine(LogLevel.DEBUG,"********************** B U Y ********************");
positions.Display();
if(CashBalance-positions.Exposure<=0.00)