I backtest trading strategies in Python and deliver a clear performance report. I turn a trading idea or TradingView Pine Script into commented Python code and test it on historical data for stocks, crypto, forex, and A-shares. Reports include returns, Sharpe ratio, max drawdown, win rate, and an equity curve. I check for lookahead bias, survivorship bias, and bad data. Backtests show historical performance only and are not a guarantee of future returns.... Lee más