Why Most Backtests Lie — and the 7 Checks That Catch Them

A beautiful backtest is the easiest thing in trading to fake — usually by accident. Here are the seven ways backtests mislead, and the check that catches each one. A backtest is a story about the past, told by someone who already knows how it ends. That is why it lies so well — usually without anyone intending to lie. Every trader has lived the... Weiterlesen: Why Most Backtests Lie — and the 7 Checks That Catch Them