Rules 12 min read
Trailing vs end of day drawdown
Two firms can both advertise a 10% maximum loss and mean completely different things by it. How the limit is measured decides whether a normal winning week leaves you with room to trade or with almost none.
The three kinds
A static drawdown is fixed against your starting balance. Start at $100,000 with a 10% limit and the floor is $90,000 for the life of the account, whatever you make. It is the most forgiving and the least common.
An end of day trailing drawdown follows your highest closing balance. Finish a day at $105,000 and the floor rises to $95,000 and stays there. It only moves once a day, at the close, so intraday profit you give back does not move it.
An intraday trailing drawdown follows your highest equity, tick by tick. Go $6,000 up in an open trade and come back to flat, and the floor has already risen by $6,000 even though your balance never changed. This is the one that closes accounts nobody expected to lose.
The same week at three firms
Start with $100,000 and a 10% limit at all three. Monday you go $3,000 up intraday and close flat. Tuesday you close up $2,000. Wednesday you go $4,000 up intraday and close up $1,000. Thursday you lose $2,500. Friday you are flat.
Under a static drawdown the floor never moves. It is $90,000 all week. You end Friday at $100,500 with $10,500 of room.
Under an end of day trailing drawdown the floor follows your closing balances: $90,000 Monday, $92,000 Tuesday, $93,000 Wednesday, then it stops, because Thursday and Friday closed lower. You end with $7,500 of room.
Under an intraday trailing drawdown the floor follows your peaks: $93,000 on Monday even though you closed flat, and $95,000 on Wednesday at the $105,000 peak. You end Friday at $100,500 against a $95,000 floor, with $5,500 of room.
Same trading. Same closing balance. One trader has nearly twice the room of another, and the difference was never in the headline number. The intraday trader also paid for $7,000 of profit that never reached their balance.
Why the intraday version is so much harsher
It charges you for unrealised profit. Every trade that goes your way and comes back permanently tightens the room you have left, and no trade ever gives that room back. The limit only travels one direction.
The practical effect is that a trader who scales out of winners is treated far better than one who holds for a target and occasionally misses. Two traders with identical monthly returns can have completely different survival odds under the same headline number.
It is also worst exactly when you are trading well. A strong run of near misses, where price reaches your target area and reverses before you exit, can consume most of your allowance without producing a single losing day. Nothing about that feels like risk while it is happening.
What happens at payout
This is the part most traders find out too late. At many firms the drawdown floor does not adjust when you withdraw, so taking a payout reduces your balance while leaving the limit anchored to your peak.
Take a $100,000 account trailed up to a $95,000 floor with a balance of $105,000. Withdraw $5,000 and your balance is $100,000 against a floor still at $95,000. Your room just halved, from $10,000 to $5,000, and you did nothing wrong. Withdraw the full $5,000 profit twice in a row under these terms and the account can become effectively untradeable.
Some firms do adjust the floor down by the amount withdrawn, and a few reset the trail entirely on the first payout. This single clause changes the economics of a funded account more than the profit split does, and it is worth more attention than almost anything on the pricing page.
Balance or equity, and how to find out
The second question is whether open positions count toward the limit at all. If the measure is equity, an open loss can breach the account before you have closed anything. If it is balance, only realised losses count and a position can go against you without the limit reacting.
The combination that surprises people is an equity based limit with an intraday trail: unrealised gains raise the floor and unrealised losses can breach it, so the account is judged continuously on numbers you have not banked in either direction.
Firms rarely put this on the pricing page. It sits in the terms, usually one clause under the headline percentage, and it is the single most valuable thing to read before you pay. If you cannot find it, that absence is itself information about how the firm writes its rules.
Sizing under a trailing limit
Size against your distance to the floor, not against account size. On a $100,000 account trailed to a $96,000 floor you have $4,000, so risking 1% of the account is really risking 25% of what you have left.
Recalculate after every new peak rather than at the start of the week. Under an intraday trail the number moves while you are in a position, which means a trade that was correctly sized at entry can be badly sized an hour later.
Keep a hard buffer above the floor and treat it as the real limit. Traders who survive these accounts generally stop at a self imposed level well above the breach point, because the alternative is discovering the exact number during a fast market.
Common questions
Does the drawdown stop trailing once I am in profit?
At many firms the trail stops once the floor reaches your starting balance, so the account can no longer be closed at a loss to the firm. Not all firms do this, and those that do differ on whether it is the initial balance or the initial balance plus the target.
Which drawdown type is best for swing trading?
End of day or static. An intraday trailing drawdown punishes holding through a pullback, which is most of what swing trading is, so the same strategy that works at one firm can be structurally unviable at another.
Does taking a payout reset my drawdown?
Sometimes, and it matters a great deal. Where the floor does not adjust for a withdrawal, taking a payout reduces your balance while leaving the limit anchored to your peak, which shrinks the room you have to trade with immediately after getting paid.
Do swap and commission count toward the drawdown?
Almost always yes, because they hit the balance like any other debit. It rarely matters for a day trader and it matters a great deal for anyone holding positions for weeks, where financing can consume a meaningful share of the allowance without a single losing trade.
Is a bigger drawdown always better?
No. A 12% intraday trailing limit can be more restrictive in practice than an 8% static one, because the trailing version is measured against a number that keeps rising. Compare how the limit is measured before comparing the percentages.
Check it against the firms
Written from the firm terms we have read and dated. Rules change without notice, so treat anything here as the shape of the problem rather than the current wording at any one firm, and check that firm’s own page before you pay. Nothing here is financial advice.