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Consistency Rule Calculator

Check if your daily trading P&L passes the consistency rule enforced by prop firms. No single day should exceed the threshold percentage of total profit.

Daily P&L

%
Max % of total profit any single day can represent
D1
$
D2
$
D3
$
D4
$
D5
$
D6
$
D7
$
D8
$
D9
$
D10
$

PASS

No single day exceeds 30% of total profit

Summary

Total P&L$0.00
Total Profit (winning days)$0.00
Best Day P&L$0.00
Best Day % of Total Profit0.0%
Threshold30%

Per-Day Breakdown

DayP&L% of Total
Day 1$0.00—
Day 2$0.00—
Day 3$0.00—
Day 4$0.00—
Day 5$0.00—
Day 6$0.00—
Day 7$0.00—
Day 8$0.00—
Day 9$0.00—
Day 10$0.00—

How the Consistency Rule Works

Many prop firms require that no single profitable day represents more than a certain percentage (typically 30-40%) of your total profits during an evaluation. This ensures your results come from consistent trading, not one outlier session. Only profitable days factor into the calculation — losing days are excluded from the denominator.

FAQ

Frequently Asked Questions

The consistency rule requires that no single trading day accounts for more than a set percentage (commonly 30-40%) of your total profit during an evaluation period. This prevents traders from passing challenges with one lucky day and encourages steady, repeatable performance.

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Performance Disclosure

Any backtested, simulated, or hypothetical results shown in Lune have significant limitations. They do not represent actual trading and may understate or overstate the impact of market conditions, liquidity, slippage, latency, operational failures, and other real-world factors.

No representation is made that any account will achieve profits or losses similar to any past, projected, or hypothetical results displayed. Past performance is not indicative of future results.

Quotes, market data, and account data may be delayed, incomplete, or inaccurate. You are responsible for independently verifying critical information (orders, fills, positions, balances, P&L, and margin) directly with your broker or prop firm before acting on it.

Risk Disclosure

Lune provides software tools for self-directed trading workflows. We are not a broker-dealer, exchange, investment adviser, or commodity trading advisor, and we do not execute discretionary trades on your behalf.

Trading involves substantial risk and can result in the loss of all capital. Backtested, simulated, or hypothetical results have material limitations and are not guarantees of future performance.

You are solely responsible for strategy selection, account permissions, risk limits, and monitoring live activity. Delays, outages, market volatility, third-party provider issues, and data inaccuracies can materially impact outcomes.

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