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Drawdown is the rule that ends more prop firm accounts than any other. Two accounts can both advertise a "$2,500 max loss" and still behave completely differently once you start trading. The difference is in how the limit is measured, and whether it moves.
This guide walks through the three main types, static, intraday trailing and end-of-day (EOD) trailing, using numbers you can check yourself.
What drawdown means at a prop firm
At a prop firm, drawdown is not a statistic you review at the end of the month. It is a hard line. If your account touches it, the account is usually failed or closed, even if the trade would have recovered a minute later.
Most firms use two separate limits:
- A daily loss limit, which caps how much you can lose in a single trading day.
- A maximum drawdown (also called max loss or overall loss limit), which caps how far the account can fall in total.
This article focuses on the maximum drawdown, because that is where the static vs trailing difference lives. The daily limit runs alongside it, and breaching either one usually ends the account.
Static drawdown: a floor that never moves
With a static drawdown, the floor is set once from your starting balance and stays there for the life of the account.
Worked example: $100,000 account
Say a typical two-step forex challenge has a 10% static maximum loss.
- Starting balance: $100,000
- Maximum loss: 10%, or $10,000
- Floor: $90,000
You make $4,000 in your first week. Your balance is now $104,000, but the floor is still $90,000. Your cushion has grown from $10,000 to $14,000.
The next week is rough and you give back $6,000. Balance: $98,000. That is still well above $90,000, so the account survives.
That is the big advantage of a static drawdown: profit adds to your breathing room. The danger zone is the first few days, before you have built any buffer.
Intraday trailing drawdown: the floor follows your peak
Intraday trailing drawdown, sometimes called real-time trailing, is common on futures evaluations. The floor sits a fixed dollar amount below the highest equity the account has reached, and that includes unrealized profit on open trades.
Worked example: $50,000 futures account
- Starting balance: $50,000
- Trailing drawdown: $2,500
- Starting floor: $47,500
You buy, and the trade runs to an open profit of $1,200. Your equity peaks at $51,200, so the floor jumps to $48,700.
The market pulls back and you close the trade for a gain of $400. Balance: $50,400.
Here is the catch. The floor stays at $48,700. You are up $400 on the account, yet your cushion is now only $1,700, down from the $2,500 you started with. Open profit that you never banked still moved the line.
Many firms stop trailing once the floor reaches a set level, often the starting balance or slightly above it. From that point the floor behaves like a static one. Always check where the trail locks.
End-of-day trailing drawdown: the floor updates at the close
End-of-day trailing drawdown also follows your high point, but it only looks at your balance at the end of each trading day. Swings in open profit during the session do not move the floor.
Same trade, end-of-day rules
Take the same $50,000 account with a $2,500 EOD trailing drawdown:
- Starting floor: $47,500
- Intraday equity peak: $51,200 (ignored)
- End-of-day balance: $50,400
- New floor: $50,400 minus $2,500 = $47,900
Your cushion is back to the full $2,500 instead of $1,700. Same trades, same result, but $800 more room for tomorrow.
One caution: with EOD trailing, many firms still enforce the floor in real time. If your equity dips below $47,900 in the middle of the next session, the account can fail, even though the floor itself only updates at the close.
Side-by-side comparison
| Type | What sets the floor | Moves with open profit? | Main risk |
|---|---|---|---|
| Static | Starting balance only | No | Losing early, before a buffer builds |
| Intraday trailing | Highest equity, including open trades | Yes | Giving back open profit shrinks your room |
| EOD trailing | Highest end-of-day balance | Only at the close | A big winning day lifts the floor overnight |
You can plug your own numbers into the drawdown calculator to see where your floor sits after each trade or day.
How to trade around each type
Static drawdown rewards building a buffer. Many traders size down for the first few sessions, then let the cushion absorb normal swings.
Intraday trailing punishes winners that turn around. Practical habits:
- Take partial profits or trail your stop so open gains are not handed back.
- Be wary of distant targets that require sitting through large pullbacks.
- Track the floor after every trade, not just your balance.
EOD trailing is more forgiving within the day, but a strong session raises the floor for tomorrow. Some traders stop after a good day rather than risk giving it back.
If you are still choosing an account, the compare page lets you filter by drawdown type, and our guide to position sizing for challenges shows how to size trades so one bad day cannot reach the limit.
Key takeaway: The headline number is only half of the rule. A $2,500 static drawdown and a $2,500 intraday trailing drawdown can leave you with very different amounts of room after exactly the same trades.
Rules differ by firm and change over time, so always check a firm's current drawdown terms before you buy.