Consistency Rule

Also known as: consistency, 30% rule, 40% rule, best-day rule

Direct Answer

A consistency rule caps how much of your total profit can come from a single trading day, typically thirty to fifty percent. Prop firms use it to discourage all-or-nothing trades and reward steady performance. Break the threshold at payout time and the firm may delay, reduce, or void your withdrawal entirely.

Most consistency rules are evaluated at the moment you request a withdrawal. The firm looks at every trading day since your last payout, finds the best one by P/L, and divides it by the cumulative profit for the period.

If that best-day percentage exceeds the firm's limit, the payout is either reduced to the compliant amount or denied until you trade additional days to bring the ratio back in line. The fix is rarely about cutting winners — it's about steadily adding more medium-sized winning days.

Always check whether the rule applies to the evaluation, the funded account, or both — firms differ.

Enforcement

Which firms enforce this rule

FirmStrictness
TopstepStrict
Apex Trader FundingStrict
FundedNextStandard
Worked Examples

Example scenarios

Scenario
Trader makes $4,000 across 12 days, $1,800 of it on a single Tuesday. Best-day is 45% — over a 40% cap.

Outcome
Payout reduced to the compliant share or denied until more trading days bring the ratio under 40%.

Scenario
Trader spreads $3,000 across 15 days with no day above $600 (20%).

Outcome
Full payout approved on first request.

FAQ

Frequently asked questions

When is the consistency rule checked?
Usually at payout request, against all trading days since the last payout.
Does it apply to losing days?
Typically only to winning days — losing days don't count toward the best-day ratio.
Can I avoid it by trading smaller?
Yes. Many traders cap per-trade risk to keep any single day under the firm's threshold.
Is the rule the same on evaluation and funded accounts?
Not always. Several firms only apply consistency on funded accounts, not the challenge.
What happens if I breach it?
Most firms reduce the payout to the compliant amount; some void the entire request.
See Also