Tools — Prop Account Risk

Set the risk plan your prop account can survive.

Enter your account, trailing drawdown, and profit target. The calculator returns the daily loss limit and per-trade risk that let a normal run of losses stop your day — not end your account. For NinjaTrader 8 traders on funded accounts.

Across 1,586 sessions, NQ's average first-hour range is ~140 points — about $2,800 on one contract. A drawdown that small deserves a plan, not a guess.

Your account

Account size

Max drawdown

Profit target

Survival assumptions

Bad days to survive

Losers per day

Avg reward : risk

Daily limit divides the drawdown across the bad days you want to survive. Per-trade risk divides the daily limit across a day's losing streak.

A risk-management framework, not a guarantee — surviving the drawdown depends on holding the plan. Educational tool, not financial advice. Confirm your exact drawdown type, daily limit rules, and payout thresholds with your prop firm.

Method

How the risk plan is built

A funded account has no balance you can afford to lose a percent of — it has a trailing drawdown that ends the account when breached. So you work backward from survival: how many maximum-loss days should it take to reach that wall, and how many losers in a row should end a single day.

daily_loss_limit = max_drawdown ÷ bad_days_to_survive
risk_per_trade = daily_loss_limit ÷ losers_per_day // both rounded down

The daily limit is the circuit breaker; the drawdown is the wall behind it. As long as one day never spends more than its slice of the buffer — and you stop the moment a day hits its limit — it takes a full streak of worst-case days to end the account.

Worked example

A $50k account with a $2,500 drawdown

01Drawdown $2,500, and you want to survive 5 maximum-loss days → daily loss limit $500.

02$500 daily limit over 3 losers in a row → risk about $165 per trade.

03Your $3,000 target is ~18R away; at 2:1 that's roughly 9 net winning trades.

04At 2:1 you need to win more than 33% just to hold flat — clear that before the target is realistic.

From the data

Why the daily limit matters more than the entry

89.2% of days tag PDH or PDL

On 1,585 NQ sessions, price reached the prior day's high or low 89.2% of the time — but tagged both extremes only 9.9%. The market gives you room to be wrong repeatedly; a daily limit is what keeps being wrong from being fatal. Plot the levels live with the Intraday Key Levels and Initial Balance indicators.

FAQ

Common questions

What should my daily loss limit be on a prop account? +

Small enough that one bad day can't end the account. Divide your trailing drawdown by the number of maximum-loss days you want to survive: a $2,500 drawdown over five bad days is a $500 daily loss limit. Fewer days means a larger, riskier limit; more days means a smaller, safer one.

How much should I risk per trade on a funded account? +

Divide your daily loss limit by the number of losing trades in a row you want to survive in a single day. A $500 daily limit over three losers is about $165 per trade. That way a normal cluster of losses stops you out for the day without touching the drawdown.

How do I avoid blowing my trailing drawdown? +

Never let a single day spend more than one slice of the buffer. If your daily loss limit is one-fifth of the drawdown, it takes five max-loss days back to back to end the account — and you stop trading the moment a day hits its limit. The daily limit is the circuit breaker; the drawdown is the wall behind it.

How does my profit target change how much I risk? +

It doesn't change the risk — it tells you whether the risk is realistic. The calculator shows your target in R (target ÷ per-trade risk) and the break-even win rate your reward-to-risk needs. If the target is 18R away and your edge is thin, the answer is more patience, not more size.

Should I round the numbers? +

Round down. The calculator floors the daily limit and per-trade risk to clean increments so you're always sizing a touch under the math, never over it. Rounding up is how a five-day plan quietly becomes a four-day plan.

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