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The Backtesting Imperative: Beyond Superficial Metrics Backtesting is the bedrock of systematic trading. It's where we validate hypotheses, refine parameters, and quantify potential edge before committing capital. However, a poorly executed backtest is worse than no backtest at all; it provides a false sense of security, leading to inevitable capital erosion. The goal isn't just to see a positive equity curve, but to understand why it's positive and under what conditions it might fail. We need to move beyond simple profit/loss figures and interrogate the underlying statistical validity of our results. Data Integrity and Look-Ahead Bias: The Silent Killers The...