A profitable backtest can still fail a prop firm test in a single afternoon. That happens because a proprietary trading evaluation is a rule-constrained risk test, not merely a search for profit. Generating positive expectancy is only part of the assignment.The goal is not maximum return at

A profitable backtest can still fail a prop firm test in a single afternoon. The reason is simple: prop firm tests are not ordinary trading accounts. To pass consistently, your system must do more than identify attractive trades.The objective is not to make as much money as possible in the s