Daily loss is the short-term guardrail
Daily loss is the amount you are allowed to lose in one trading day. Once you are near that line, your next trade must be smaller or skipped. Many failed challenges happen because traders continue with normal size after taking early losses.
A simple rule helps: calculate how much room remains before each trade. If one stop can break the daily limit, the trade is too large.
Max loss is the account survival line
Max loss is the total drawdown limit for the challenge. It protects the prop firm from large account damage and forces traders to manage risk consistently.
Even if your daily loss room is fine, your max loss room may be tight after a bad week. Position size should respect both.
Profit target should not create reckless sizing
A target like 8% or 10% can make traders feel rushed. But oversizing to hit the target quickly usually increases the chance of violating rules before the edge has enough trades.
The better approach is to track progress, reduce size after losses, and only press when your setup quality and risk room support it.
Journal rule discipline
After every challenge trade, save whether you followed your plan and whether the trade respected the challenge limits. Over time, you can see whether failures come from strategy or rule discipline.
This makes prop firm review practical: not just win rate, but rule quality, session performance, setup selection, and drawdown behavior.