Prop firms love advertising “EA allowed” until your bot hits daily loss in hour three. Rules differ by firm — read the PDF, not the Instagram summary.
What usually kills eval accounts
- Max daily loss — grid bots that add into a trend day.
- Overnight / weekend holding — some firms force flat; your bot may not.
- News window — high-impact red folder minutes are banned at many shops.
- Consistency rules — one lucky 5% day then silence can fail “steady growth” clauses.
Ask sellers if the bot has hard daily stop logic, not just per-trade stops. Backtest through NFP weeks, not only quiet summers.
Filter cTrader cBots and read trial + changelog before you bind an eval login.
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