Why Traders Fail Prop Firm Evaluations (It Is Not Edge)
Ask a trader who just blew an evaluation what went wrong and you will almost always hear the same thing. "My strategy stopped working." Nine times out of ten, that is not what happened.
The strategy was fine. A risk rule caught them sizing too big, on the wrong day, at the wrong moment. The edge did not fail. The risk management did.
If you understand that distinction, you are already ahead of most people paying for funded accounts. Let's break down why traders actually fail prop firm evaluations, and how to size so the rules never catch you.
Is It Really Your Strategy That Failed?
Almost never. Think about what an evaluation measures. It does not grade the quality of your setups. It grades whether you can generate a target without tripping a loss limit. Those are two completely different tests, and most traders only study for the first one.
You can have a genuinely positive edge and still fail every eval you take, because a positive edge still loses regularly. A 55% strategy lose...