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A consistency rule caps how much of your total profit one day — or sometimes one trade — is allowed to represent. It is the rule traders most often discover after they have already broken it, because on most platforms nothing warns you at the time.
This guide shows exactly how the arithmetic works, using real numbers. Once you have seen it, you will be able to check any firm’s rule in about a minute.
What a Consistency Rule Actually Says
The most common form reads something like: no single trading day may account for more than 20% of total profit.
That sounds like a modest constraint. It is not. Work it backwards and the implication is stark: your best day sets a floor on how much you must earn in total before you can withdraw anything.
The formula
If the rule is that your best day must be no more than X% of total profit, then:
Minimum total profit required = best day ÷ X%
Worked Example: One Good Day
A trader on a $100,000 account has a strong first day and a quiet week after it.
| Day | Profit |
|---|---|
| Monday | $5,000 |
| Tuesday | $250 |
| Wednesday | $250 |
| Thursday | $250 |
| Friday | $250 |
| Total | $6,000 |
Monday is $5,000 of $6,000 — 83% of total profit. Under a 20% rule, the trader is a long way from compliant.
How far? Apply the formula: $5,000 ÷ 0.20 = $25,000. The trader must reach $25,000 in total profit before Monday stops being a violation. They are at $6,000. They need another $19,000 — on an account whose profit target they have probably already passed.
That is the trap. Monday was a good day. Monday is now the problem.
The Dilution Table
This is the table worth keeping. It shows the total profit you must reach for a given best day, under the two most common thresholds.
| Your best day | Total needed under a 20% rule | Total needed under a 30% rule | Total needed under a 50% rule |
|---|---|---|---|
| $500 | $2,500 | $1,667 | $1,000 |
| $1,000 | $5,000 | $3,334 | $2,000 |
| $2,500 | $12,500 | $8,334 | $5,000 |
| $5,000 | $25,000 | $16,667 | $10,000 |
| $10,000 | $50,000 | $33,334 | $20,000 |
Two things fall out of this immediately.
A 20% rule is two and a half times stricter than a 50% rule, not marginally stricter. The difference between those two numbers in a firm’s terms is the difference between a mild constraint and a structural one.
Large winning days are penalised in proportion to their size. A $10,000 day under a 20% rule requires $50,000 in total profit to become legitimate. On most account sizes that is not a realistic target.
The Three Variants
Not every firm calculates it the same way. Check which one you are dealing with.
1. Best day as a share of total profit
The version above, and the most common. Your single best day divided by cumulative profit.
2. Best day as a multiple of your average day
Less common. “No day may exceed 3× your average daily profit.” This one is more forgiving of a good day early on, because your average rises as you trade, but it punishes traders who take few, large positions.
3. A hard daily profit cap
“No day may add more than 2% of account balance.” Profits above the cap are sometimes removed rather than treated as a breach. This is the most predictable of the three, because you know the number in advance rather than computing it against a moving total.
Why Firms Impose It
It is worth understanding the reasoning, because it tells you how the rule is likely to be enforced.
A consistency rule filters for repeatable process rather than a single fortunate position. From the firm’s side, a trader who passed an evaluation on one outsized trade carries unknown risk — there is no evidence of a method, only evidence of an outcome. The rule is a proxy for asking “can you do this again?”
That is a defensible thing to want. The problem is not the existence of consistency rules; it is when they are disclosed vaguely, calculated differently from how they are described, or applied only at payout review after weeks of trading.
The Enforcement Question
Ask specifically: is the rule evaluated live, or only when you request a payout?
A rule shown live in your dashboard is a constraint you can trade around. A rule checked only at payout is one you can breach in week one and not discover until week six. Same rule, entirely different product.
Also ask whether it applies during the evaluation, on the funded account, or both. A firm can advertise “no consistency rule” truthfully about its evaluation while applying one to funded accounts — which is where it actually costs you money.
How to Trade Within One
If you are on an account with a strict consistency rule, three adjustments matter more than the rest:
- Cap your daily risk deliberately. The rule effectively imposes a maximum profitable day. Trading larger than that ceiling creates a problem even when you win.
- Spread entries across sessions. Two $2,000 days are compliant where one $4,000 day is not, for identical total profit.
- Check the ratio before you request a payout, not after. Best day divided by total profit. If it is above the threshold, keep trading rather than triggering a review.
The uncomfortable implication is that a consistency rule can require you to trade more than your edge justifies, purely to dilute a past success. That is a genuine cost of the rule, and it is worth pricing in before you buy.
What to Check Before You Buy
- Is there a consistency rule at all — on the evaluation, the funded account, or both?
- Which of the three formulas is used?
- What is the exact threshold?
- Is it evaluated live or only at payout review?
- Does a breach void the account, or just delay the payout?
FOREXIVE publishes its evaluation and funded-account rules in full at help.forexive.com, readable before you spend anything. Run those five questions against them, and against every other firm on your shortlist.
Related Reading
Consistency is one of the rules that decides outcomes. The other is drawdown — see static vs trailing drawdown for the arithmetic on that one. Our seven-question evaluation framework covers what else to check before buying, and our 1-Step and 2-Step evaluations set out our own account sizes and pricing.
FAQs
What is a consistency rule in prop trading?
A limit on how much of your total profit a single day or trade may represent. Most commonly expressed as a percentage — for example, no day exceeding 20% of cumulative profit.
How is it calculated?
Usually best day divided by total profit. Rearranged, your best day multiplied by the inverse of the threshold gives the total profit you must reach to comply. A $5,000 day under a 20% rule requires $25,000 total.
Does a consistency rule apply during the evaluation or after funding?
It varies, and this is the detail most worth checking. Many firms apply none during evaluation and a strict one on funded accounts — which is legal, disclosed in the terms, and still a surprise to most people who hit it.
What happens if I break it?
Depends on the firm. Some delay the payout until the ratio is diluted, some remove the excess profit, some treat it as a breach. Establish which before you buy.
Is a consistency rule a bad thing?
Not inherently. It filters for repeatable process rather than one lucky position, which is a reasonable thing for a firm to want. The problem is vague disclosure and enforcement that happens only at payout.
How do I avoid breaching one?
Cap your daily size deliberately, spread entries across sessions, and check your best-day ratio before requesting a payout rather than after.
Trading involves substantial risk of loss. Evaluation and funded accounts described here are simulated trading environments. Nothing on this page is financial advice, and no outcome is guaranteed.
