Backtesting

The 7 Backtesting Sins That Kill Trading Strategies Before They Start

Bottom Line Up Front: Even the most sophisticated trading algorithms fail in production because of fundamental backtesting errors. After analyzing thousands of strategy failures, we’ve identified seven critical mistakes that account for over 90% of the gap between backtest and live performance. Master these, and you’ll avoid the graveyard of “perfect” strategies that blew up on day one.

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