Overall Statistics |
Total Trades 863 Average Win 0.26% Average Loss -0.03% Compounding Annual Return 7.339% Drawdown 2.700% Expectancy 0.539 Net Profit 5.413% Sharpe Ratio 1.518 Probabilistic Sharpe Ratio 65.945% Loss Rate 86% Win Rate 14% Profit-Loss Ratio 9.62 Alpha 0.077 Beta -0.02 Annual Standard Deviation 0.049 Annual Variance 0.002 Information Ratio -0.097 Tracking Error 0.175 Treynor Ratio -3.76 Total Fees $1240.62 Estimated Strategy Capacity $2700000.00 |
from datetime import timedelta, datetime class SMAPairsTrading(QCAlgorithm): def Initialize(self): self.SetStartDate(2018, 7, 1) self.SetEndDate(2019, 3, 31) self.SetCash(100000) symbols = [Symbol.Create("PEP", SecurityType.Equity, Market.USA), Symbol.Create("KO", SecurityType.Equity, Market.USA)] self.AddUniverseSelection(ManualUniverseSelectionModel(symbols)) self.UniverseSettings.Resolution = Resolution.Hour self.UniverseSettings.DataNormalizationMode = DataNormalizationMode.Raw self.UniverseSettings.Leverage = 1 self.AddAlpha(PairsTradingAlphaModel()) self.SetPortfolioConstruction(EqualWeightingPortfolioConstructionModel()) self.SetExecution(ImmediateExecutionModel()) def OnEndOfDay(self, symbol): self.Log("Taking a position of " + str(self.Portfolio[symbol].Quantity) + " units of symbol " + str(symbol)) class PairsTradingAlphaModel(AlphaModel): def __init__(self): self.pair = [ ] self.spreadMean = SimpleMovingAverage(500) self.spreadStd = StandardDeviation(500) self.period = timedelta(hours=2) def Update(self, algorithm, data): spread = self.pair[1].Price - self.pair[0].Price self.spreadMean.Update(algorithm.Time, spread) self.spreadStd.Update(algorithm.Time, spread) upperthreshold = self.spreadMean.Current.Value + self.spreadStd.Current.Value lowerthreshold = self.spreadMean.Current.Value - self.spreadStd.Current.Value if spread > upperthreshold: return Insight.Group( [ Insight.Price(self.pair[0].Symbol, self.period, InsightDirection.Up), Insight.Price(self.pair[1].Symbol, self.period, InsightDirection.Down) ]) if spread < lowerthreshold: return Insight.Group( [ Insight.Price(self.pair[0].Symbol, self.period, InsightDirection.Down), Insight.Price(self.pair[1].Symbol, self.period, InsightDirection.Up) ]) return [] def OnSecuritiesChanged(self, algorithm, changes): self.pair = [x for x in changes.AddedSecurities] #1. Call for 500 bars of history data for each symbol in the pair and save to the variable history history = ... #2. Unstack the Pandas data frame to reduce it to the history close price history = ... #3. Iterate through the history tuple and update the mean and standard deviation with historical data