Drawdown calculator: trailing, EOD and intraday (prop firms)

By Alexander Burnett (editor) Last updated 14 October 2026

How we got this

How: The calculator runs in your browser on the day list you enter; firm presets are each firm’s own published drawdown type and lock, quoted and linked to the page we read them on. How we check How we make money Corrections

Enter your days and see where your max-loss line sits now, under static, end-of-day or intraday trailing.

Static, EOD and intraday side by side
Day by day, with a chart
Firm presets, quoted and linked

Your account

Firm preset Fills the firm's drawdown type and lock Starting balance ($) Max loss / drawdown ($) The firm states this per account size Drawdown type Lock Where the line stops trailing Lock amount above start ($) 0 = locks at the starting balance

Your days One day per line: close, or close, peak, or close, peak, low Dollars from the day's open. Peak = best open equity, low = worst.

Turn on JavaScript to run the calculator. The worked example below shows the results.

Day by day

Each day under the drawdown type you chose (our arithmetic on your numbers)
Day	P&L (close)	Close balance	Peak used for trailing	Max-loss line after the day	Room left
1	+$450 peak +$700, low −$150	$50,450	$50,450	$48,450	$2,000
2	+$600 peak +$900, low −$200	$51,050	$51,050	$49,050	$2,000
3	−$250 peak +$300, low −$500	$50,800	$51,050	$49,050	$1,750
4	+$900 peak +$1,200, low −$100	$51,700	$51,700	$49,700	$2,000
5	+$150 peak +$1,000, low −$150	$51,850	$51,850	$49,850	$2,000
6	−$500 peak +$900, low −$1,800	$51,350	$51,850	$49,850	$1,500
7	+$350 peak +$600, low −$300	$51,700	$51,850	$49,850	$1,850
8	−$300 peak +$200, low −$700	$51,400	$51,850	$49,850	$1,550

The same days under all three types

Same days, same max loss and lock, three drawdown types
Drawdown type	Result	Max-loss line now	Room left
Static	Still alive after 8 days	$48,000	$3,400
End-of-day trailing (yours)	Still alive after 8 days	$49,850	$1,550
Intraday trailing	Breached on day 6	$50,100	−$50 at the low

Worked example: the same 8 days, three drawdown types

StaticThe line never moves.
End-of-day trailingThe line follows your best closing balance.
Intraday trailingIt also follows open profit, even profit you never bank.

Account$50,000
Max loss$2,000
Lock (Lucid Trading)$50,100
8 days, net+$1,400

Intraday trailingBreached day 6Low $50,050 fell below the $50,100 line. The day closed at $51,350.

Room left at the end, against the $2,000 you started withstarting room

Static $3,400line $48,000 · still alive

End-of-day trailing $1,550line $49,850 · still alive

Intraday trailing −$50line $50,100 · breached day 6

Made-up days (judged). Room for a breached account is measured at the low.

Without the lock: the same breach
Lucid Trading’s LucidFlex is end-of-day: alive on these days

The lock, in the firm’s words (measured). An End-of-Day Drawdown that locks at the initial balance plus $100 support.lucidtrading.com, read 16 October 2026.

Each example day is close, peak, low: dollars from that day’s opening balance. Change them in the calculator above.

Your inputs stay in your browser
Firm presets: the firm's own figures, read 16 October 2026
A calculator, not advice

How it works

Staticline = starting balance − max loss, for the life of the account.
End-of-day trailingline = highest close balance so far − max loss.
Intraday trailingthe same, but each day’s peak (open profit) also lifts the highest balance.
Lockline capped at start + lock amount (0 = the start). There it stops trailing.

When the account is lost

The line never fallsA losing day leaves it where it was.
BreachThe day’s worst equity touches or goes below the line. No low entered: the lower of open and close.
Worst-case orderFor intraday trailing we assume the peak came before the low.

Limits. Firms differ: balance or equity, evaluation-only trailing, payout resets, separate daily limits (not modelled). A missing peak is taken as the higher of open and close. Check your firm’s rule page.

Measured and judged. Firm presets are the firm’s own words (measured, dated, linked). Every balance, line and room figure is our arithmetic (judged). The example days are made up.

Size the trade

Know where the lines are

Also in the toolkit: payout and cost

The whole Prop Risk Calculator and the data behind it