Prop Firm Consistency Rule Calculator
A prop firm consistency rule caps how much of your total profit can come from your single best day. Divide your best day's profit by your total profit and compare the result with your firm's limit. If you're over, the total you need is your best day divided by the limit: a $1,800.00 best day at 55% needs $3,272.73.
Type your best day's profit, your total profit and your firm's limit. You get your best day's share of the total and whether it meets the limit. If it doesn't, you get the total you need and what's still to make; if it does, the largest winning next day that keeps you inside. It's arithmetic on the three numbers you type, so it never reads your chart, your account, your trade history or your firm's dashboard, and it doesn't know your firm's rule.
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Prop Firm Consistency Rule Calculator
Your best day's share of your total profit, against your firm's limit
Enter your best day, your total profit and your firm's limit to check the rule.
The rule
What is the consistency rule, and why do prop firms use it?
A consistency rule limits how much of your total profit a single day can supply. Firms that use it want to see the profit come from an edge you can repeat day after day, not from one lucky session a funded account may never see again. It measures how evenly you made the money, not how much you made.
It's a share, not a dollar cap. Your best day's profit is divided by the total your firm measures against, and the result has to stay at or under the firm's limit. The limit, the total it uses and what happens when you're over all vary by firm and by phase, so the table further down lists only what two firms publish, checked on October 31, 2026.
The prop firm challenge rules guide covers the consistency rule next to the profit target, the daily loss limit and the drawdown, so you can see which one bites first.
The formula
How is the consistency rule calculated?
Best day share = best day profit ÷ total profit × 100
Meets the rule when the share is at or under your firm's limit
Total needed = best day profit ÷ limit
Still to make = total needed - total profit
Largest winning next day, while you meet it = limit × total profit ÷ (1 - limit)
Take Topstep's Combine example, a $1,800.00 best day under its 55% limit, and say your total is $3,000.00. $1,800.00 ÷ $3,000.00 is 60.00%, so you're over. The total you need is $1,800.00 ÷ 0.55 = $3,272.73, which leaves $272.73 still to make. Topstep's help page works the same best day and rounds that total up to $3,273.
The check is exact. Topstep says its Combine percentage is not rounded and has no buffer, so on a $10,000.00 total a $5,500.00 best day is 55.00% and meets the 55% limit, while $5,501.00 is 55.01% and doesn't. The calculator compares whole cents, so it draws the same line.
Every figure it prints rounds the way that keeps it true. The share rounds down when you meet the rule and up when you don't, so a day that is over never shows a share equal to the limit. The total needed rounds up to the cent: a $6,000.00 best day at 55% needs $10,909.10, because $10,909.09 would leave the share a hair over 55%.
Worked examples
| Example | Best day | Total | Limit | Share | Result |
|---|---|---|---|---|---|
| Topstep Trading Combine (the $3,000.00 total is ours) | $1,800.00 | $3,000.00 | 55% | 60.00% | Over. Needs $3,272.73, $272.73 to go |
| Topstep Express Funded, Consistency payout path (Topstep's example) | $3,600.00 | $9,500.00 | 40% | 37.89% | Meets it. Largest next day $6,333.33 |
| FTMO 1-Step (FTMO's four days, net total) | $6,000.00 | $10,000.00 | 50% | 60.00% | Over. Needs $12,000.00, $2,000.00 to go |
| FTMO 1-Step legacy Best Day Rule (the same days, profitable days only) | $6,000.00 | $12,000.00 | 50% | 50.00% | Meets it. Largest next day $12,000.00 |
| Exactly at 55% | $5,500.00 | $10,000.00 | 55% | 55.00% | Meets it. Largest next day $12,222.22 |
| A dollar more on the best day | $5,501.00 | $10,000.00 | 55% | 55.01% | Over. Needs $10,001.82, $1.82 to go |
| A total needed that lands between two cents | $6,000.00 | $10,000.00 | 55% | 60.00% | Over. Needs $10,909.10, $909.10 to go |
The calculator labels amounts in dollars, but the share works the same in any account currency. The Topstep Combine total and the last three rows are round numbers of ours, picked to show the arithmetic, not anyone's account.
Firm rules
What consistency limit does your prop firm use?
Limits differ by firm and by phase, and some phases have no consistency rule at all. Topstep uses 55% in its Trading Combine and 40% on the Express Funded account's Consistency payout path. FTMO uses 50% on its Challenge 1-Step and FTMO Account (1-Step), and its 2-Step has no consistency or best day rule. FTMO's other account types aren't in the table, so check theirs on FTMO's own page.
| Firm and phase | Limit | Total it divides by | If you're over | Source |
|---|---|---|---|---|
| Topstep Trading Combine | 55% | Total profit, compared with best day profit. Losing days don't reset the best day. | The profit target rises to best day ÷ 0.55, and you keep trading toward it.Not rounded, no buffer: the share has to be at or below 55%. | TopstepChecked |
| Topstep Express Funded, Consistency payout path | 40% | Net profit since your last payout request, or since the account started if you haven't requested one, compared with your largest single-day net profit in that window. The count resets to zero after each payout request. | Your largest day must be 40% or less of total net profit before you can request a payout.The payout also needs at least 3 trading days. You pick this path or the Standard one when you activate the account. | TopstepChecked |
| FTMO Challenge 1-Step and FTMO Account (1-Step), orders from 12 Oct 2026 or merged on or after it | 50% | Total profit: your cumulative closed P&L across all trading days, losing days included. | Not a breach. You keep trading until it is met. | FTMOChecked |
| FTMO Legacy Best Day Rule (1-Step), directly initiated from orders before 12 Oct 2026 | 50% | Positive Days' Profit: the sum of closed P&L from your profitable days only. | Not a breach. You keep trading until it is met. | FTMOChecked |
| FTMO 2-Step | None | No consistency or best day rule. | Nothing to meet. | FTMOChecked |
Checked against each firm's own page on : Topstep Help Center: Consistency at Topstep and FTMO: Trading Objectives. Topstep's page was last updated September 17, 2026.
Rules change, and this calculator doesn't know your firm. Check your firm's current rule page for the limit, the total it divides by and the phase it applies to before you type them in. Other firms aren't listed because we haven't checked their rules against an official page.
The prop firm hub collects the other challenge rules and free tools in one place.
The total
Which total should you type: net profit or profitable days only?
Type the total your firm divides by. FTMO's 1-Step rule and Topstep's Express Funded Consistency path use your net P&L, losing days included. FTMO's legacy 1-Step Best Day Rule uses only the sum of your profitable days, which leaves the losing days out. The same account can meet one version and miss the other, so the number you type decides the answer.
FTMO changed this on 12 Oct 2026. Its Challenge 1-Step and FTMO Account (1-Step), for accounts from orders created on or after that date or merged on or after it, divide your best day by total profit, the cumulative closed P&L across all trading days. FTMO's page works it with four days of +$6,000.00, -$2,000.00, +$4,000.00 and +$2,000.00: a $10,000.00 total, a best day of 60.00% and $12,000.00 needed at 50%. 1-Step accounts directly initiated from orders before 12 Oct 2026 keep the legacy Best Day Rule, which divides by Positive Days' Profit, the sum of the profitable days only. On the same four days that total is $12,000.00, so the best day is 50.00% and meets the 50% limit.
So read which total your firm's rule names. If it says total profit, net profit or closed P&L across all days, type the net total. If it says profitable days or positive days, add up only your green days and type that. On Topstep's Express Funded Consistency path the count resets after each payout request and starts again the next trading day, so type the net profit since your last request, or since the account started if you haven't made one.
Going over
What happens when your best day is over the limit?
On the Topstep and FTMO rules in the table, going over isn't a failed account. In Topstep's Trading Combine the profit target rises to best day ÷ 0.55. On the Express Funded Consistency payout path, your largest day must be 40% or less of total net profit before you can request a payout, and the count starts over after each request. On FTMO's 1-Step rules it isn't a breach, and you keep trading until the rule is met. Other firms and account types can work differently, so check yours.
Losing days make it worse on a net total. They pull the total down while the best day stays put, so the share goes up, and at Topstep a losing day doesn't reset the best day either. In FTMO's example the -$2,000.00 day is why a $6,000.00 best day is 60.00% of $10,000.00 rather than 50.00% of $12,000.00.
The fix is more profit on days no bigger than your best day. Those days don't raise the bar, so each one closes the gap. A bigger day becomes your new best day, and the bar becomes that day divided by your limit. Once you meet the rule, the calculator shows the largest winning next day that keeps you inside it, as a ceiling, not a target.
An oversized best day often comes from sizing one trade bigger than the rest. Keep the risk per trade the same and one day is far less likely to carry the account. The prop firm drawdown calculator works out the most you can risk per trade and still survive a losing streak, and the guide to passing a challenge without overtrading covers keeping entries slow when the account is up.
Grade the setup before you size it
The calculator works out the share from the numbers you type. It can't tell you whether the next setup is worth taking. A best day that blows past the limit often comes from one trade sized bigger than the rest, so grade the setup before you size it: upload a chart screenshot and SnapPChart grades it A+ to F in seconds. The grade is a read of the chart. It doesn't see your account, your P&L or your firm's rules, so it doesn't check a consistency rule or size trades for a firm.
Upload a Chart ScreenshotYour first grade is free: a summarized analysis of your chart and a graded second opinion on whether to take it, wait or pass.
Keep going
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FAQ
Consistency rule questions
How is the consistency rule calculated?
Divide your best day's profit by your total profit and multiply by 100, then compare that with your firm's limit. At or under the limit meets the rule. On Topstep's Express Funded example, $3,600.00 ÷ $9,500.00 is 37.89%, inside the 40% limit on that payout path.
How much profit do I need to pass the consistency rule?
Divide your best day by your limit. At 55% a $6,000.00 best day needs $10,909.10, rounded up to the cent, since $10,909.09 leaves the share a hair over 55%. Take off what you've made to get what's still to make: from a $10,000.00 total that is $909.10. Your firm's own profit target still applies if it is higher.
Do losing days count toward the consistency rule?
On a net total, yes. A losing day lowers the total while your best day stays the same, so the share goes up: FTMO's four-day example puts the best day at 60.00% of its net $10,000.00. A rule that counts profitable days only, like FTMO's legacy Best Day Rule, leaves the losing days out. At Topstep a losing day doesn't reset your best day.
Is going over the consistency limit a failed challenge?
Not on the Topstep and FTMO rules in the table. In Topstep's Trading Combine the profit target rises to best day ÷ 0.55. On the Express Funded Consistency payout path, your largest day must be 40% or less of total net profit before you can request a payout, and the count starts over after each request. On FTMO's 1-Step rules it isn't a breach, and you keep trading until it is met. Other firms and account types can work differently, so check your firm's rule page.
Does FTMO 2-Step have a consistency rule?
No. FTMO's trading objectives page lists no consistency or best day rule for the 2-Step, checked on October 31, 2026. The Challenge 1-Step and FTMO Account (1-Step) have one: 50% of total profit for accounts from orders on or after 12 Oct 2026 or merged on or after it, and the legacy Best Day Rule on Positive Days' Profit for 1-Step accounts directly initiated from orders before that.
What is the biggest day I can have and still meet the rule?
While you meet it, limit × total ÷ (1 - limit), rounded down to the cent. On Topstep's Express Funded example that is $6,333.33: a winning day that size becomes your new best day and still lands inside 40%. A losing day lowers a net total instead, and can put you back over. It's a ceiling, not a target, and the calculator only shows it while you meet the rule.
Does the calculator know my firm's rule or read my account?
No. It's arithmetic on the three numbers you type. It doesn't read your chart, your account, your trade history or your firm's dashboard, and it doesn't know which firm or phase you're on. Type your firm's limit and the total it measures against, from your firm's own rule page.
Does SnapPChart's chart grade check the consistency rule?
No. The grade is a read of the setup in your screenshot, A+ to F. It doesn't see your account, your daily P&L or your firm's rules, so it can't check a consistency rule or size a trade for one. Work the share out here, and grade the setup before you size the trade.
Benjamin Loh
Founder & Developer at SnapPChart
I build AI-powered tools for traders. I created SnapPChart to help day traders analyze chart patterns faster using computer vision and machine learning. Learn more · Follow on X
This calculator is for planning purposes only and is not financial advice. It computes your best day's share, the total needed and the next-day cap from the three numbers you enter. It does not know your prop firm's terms, which can change, and it does not read your chart, your account or your firm's dashboard. Confirm your firm's current rule before you rely on it. Trading involves risk of loss.