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What Is Backtesting? What It Proves and What It Doesn't
Backtesting runs a strategy against historical data to see how it would have behaved. But most people never run one, they are shown one: a vendor's equity curve, a channel's performance table, a number on a homepage. The skill that matters is reading the backtest in front of you. Here is what a backtest genuinely proves, the five ways it lies, and the seven questions that tell you whether the one you are looking at means anything.
Read What Is Backtesting? What It Proves and What It Doesn't
