Drawdown in prop trading: static, trailing and daily limits
Drawdown accounts for more failed challenges than any other rule. A precise understanding of how your firm calculates it is more valuable than any strategy refinement.
Static drawdown
Under a static drawdown, the loss threshold is fixed relative to the opening balance. On a $100,000 account with a 10% limit, the account is closed should equity fall below $90,000, regardless of prior profits.
It is the most accommodating arrangement, as every dollar of profit enlarges the available margin.
Trailing drawdown
A trailing drawdown advances with the highest balance attained. A gain of $4,000 moves a 6% trailing threshold from $94,000 to $98,000. Should that gain be surrendered, the account is closed, even though it remains above the opening balance.
Certain firms cease trailing once the threshold reaches the opening balance. The precise rule is set out on each programme page.
The daily loss limit
The daily limit is generally measured from the balance or equity at the start of the trading day, commonly midnight in the firm's server time zone rather than South African time. Open positions are included, so an unrealised loss may trigger a breach.
Remaining within limits
Commit a modest, fixed proportion per trade (0.5–1% is customary), cease trading for the day after a predetermined loss, and never allow a single position to endanger the daily limit.
Questions and answers
Which type of drawdown is preferable?
Static allows the greatest latitude. Trailing is more demanding, particularly in the early stages when little profit exists to absorb a loss.
Is the daily limit based on South African time?
Generally not. Most firms reset at midnight server time, which should be confirmed before trading.