Most blown evaluations aren’t blown by bad trades. They’re blown by good traders who broke a rule they forgot existed — a news window, a holding-time cap, a consistency threshold buried in the terms. The market didn’t beat them; the rulebook did.
Here are the nine that end accounts most often, and how to stay clear of each.
1. Breaching the daily loss by a few dollars
The most heartbreaking breach is the one you missed by a hair. It usually comes from measuring against the wrong number: the firm’s limit is often calculated on equity including open positions, not your closed balance. An open trade drifting against you can trip the limit before you’ve clicked anything.
Set your personal daily cap comfortably inside the firm’s hard line so slippage, spread widening, and a bad fill never push you over. Confirm whether your firm measures the limit on balance or equity, intraday or end-of-day — it varies by program.
2. Ignoring news and holding-time rules
Many firms restrict trading around high-impact news, or forbid holding through it, and some cap how long a position can stay open. These rules aren’t about your P&L — you can win the trade and still breach.
- News windows — a blackout around scheduled releases (confirm the exact minutes with your firm).
- Holding time — some evaluations invalidate trades held under a minimum duration, targeting scalpers gaming the system.
- Weekend / overnight holds — many futures programs require flat by session close.
Know these cold before your first trade, not after your fastest one gets voided.
3. Over-sizing after a losing streak
The revenge trade is the single most common way a routine red day becomes a breach. Two losers in, frustrated, you size up to “make it back fast” — and the bigger loser puts you past the line.
Fixed-percent risk is the antidote: every trade risks the same small slice regardless of how the last one went. A prop-firm drawdown calculator shows how a run of same-size losers walks toward your limit, so you can see the buffer before you burn it.
4. Tripping the consistency rule
Many firms enforce a consistency rule: no single day (or trade) can represent more than a set share of your total profit. Traders breach it not by losing but by winning too big once. One outsized session on a lucky move, and now every future day has to be large enough to dilute it — a trap that gets harder as you go.
The fix is boring and effective: spread profit across days, avoid the hero trade, and check where you stand before you bank a big one. A consistency-rule calculator tells you the maximum a given day can earn without tripping the threshold. The mechanics are worth understanding fully in the consistency rule.
5. Misreading your drawdown type
This one fails traders silently. A static drawdown sits at a fixed floor. A trailing drawdown chases your equity up — sometimes tracking intraday highs, sometimes only closed balance — and it does not always stop trailing when you pass the starting balance.
Traders who assume static behavior on a trailing account get breached on a normal pullback from a profit spike they never even booked. Learn exactly how the floor moves in trailing drawdown, then confirm your specific account’s variant with the firm.
6. Letting a winner round-trip past the trailing line
A direct consequence of #5: on a trailing account, an open trade that spikes then pulls back can breach you even though you never closed in profit, because the drawdown floor ratcheted up to that unrealized high. Take partials, protect open profit, and treat unrealized gains on a trailing account as live — they move your floor.
7. Trading instruments or sessions that aren’t allowed
Some programs restrict certain symbols, crypto, exotic pairs, or specific sessions. A trade on a disallowed instrument can void profits or breach the account regardless of outcome. Read the allowed-instruments list once, carefully, before you deviate from your usual market.
8. Assuming demo rules match funded rules
Evaluation and funded phases sometimes carry different rules — payout minimums, consistency requirements, or holding constraints that only kick in once you’re funded. Passing the challenge is not the moment to stop reading. Re-check the funded-stage terms the day you get the account.
9. Relying on willpower to stop
Every rule above assumes you’ll enforce it in the moment — and the moment you most need to stop is exactly when tilt has drained your discipline. A rule you have to choose to obey while frustrated is barely a rule.
A pre-trade compliance checklist
Run this before every session:
- Daily cap set below the firm’s hard limit, with buffer.
- News calendar checked — any blackout windows today?
- Drawdown type confirmed — static or trailing, and where’s the floor right now?
- Consistency headroom — how much can today earn safely?
- Instruments and session — everything I plan to trade is allowed.
- Size fixed — same risk per trade, no post-loss escalation.
The honest truth is that a checklist still depends on you reading it. That’s where Shibiki changes the equation: it can push a daily loss ceiling and per-trade cap as hard limits at the broker, so the account refuses further trades once you hit the line — no negotiation with a tilted version of yourself. Every fill is auto-journaled so your daily P&L and drawdown headroom are live rather than guessed, and if you run several accounts, copying across prop accounts applies the same guardrails everywhere at once, so a rule slip can’t hide on the account you weren’t watching.
Related: Trailing drawdown · The consistency rule · Prop-firm drawdown calculator