Trailing drawdown, explained — the rule that ends accounts

Trailing drawdown is a maximum-loss floor that follows your equity up as your account makes new highs — so the line you must stay above is tied to your peak equity, not your starting balance. It’s the rule that quietly ends funded accounts while a trader still feels in control.

Every funded or challenge account comes with two loss rules that can end it: a maximum daily loss and a maximum drawdown. The first is easy to hold in your head; the second, when it trails, is the one that catches disciplined traders off guard. (A caveat up front: this is a plain-language explainer, not advice — every firm words its rules differently, and the only numbers that bind you are the ones in your own account agreement.)

Maximum daily loss

The simpler rule: your account may not lose more than a set amount within a single trading day, measured from a fixed daily starting point and usually on equity, so floating losses count. Because the reference resets each day, it’s the easier of the two to reason about — we cover it in full in the daily loss limit explainer. This post is about the rule that doesn’t reset.

Maximum drawdown — static vs trailing

Maximum drawdown is a floor under your whole account, not just today. It comes in two flavors:

• Static (absolute). The floor is fixed — say $90,000 on a $100,000 account. It never moves. Simple to track.
• Trailing. The floor follows your equity up. As your account makes new highs, the drawdown line rises with it — and usually stops rising once you lock in a certain profit (or once it reaches your starting balance, depending on the firm).

Trailing is where accounts quietly die. The line you have to respect isn’t where you started — it’s tied to the highest point your equity has reached, which can include unrealized profit on open trades.

A worked example

Say a $100,000 account has a $6,000 trailing drawdown, tracked on equity.

• You start flat. Your floor is $94,000.
• A trade runs to +$4,000 in floating profit. Your equity peak is now $104,000 — so your floor trails up to $98,000.
• The trade reverses and you give back that $4,000, plus a bit more. You’re near breakeven on the day and feel fine — but your floor is still $98,000, and equity is now $99,500. You are $1,500 from a breach you never felt coming, on a day you consider flat.

Nothing about that sequence requires a bad decision. It just requires the floor to have moved while your attention was on the trade.

Why it’s so easy to miss

The trailing floor is a moving target that updates on your best moment, not your worst. Most platforms show it as a static number you have to recompute in your head, and only while you’re looking. The breach happens against a line that quietly moved hours ago.

That’s exactly the kind of thing worth watching for you — an early warning as your equity approaches a drawdown-from-peak threshold you set, on every account, reaching your phone wherever you are rather than a terminal you’ve walked away from. That’s part of what Chartping watches for prop-firm traders, and it’s read-only by design — it tells you where you stand, and never touches the account.

Trailing drawdown is one of three rules that end funded accounts. Its siblings are the maximum daily loss, which resets each day, and margin level, which can force a stop-out while you’re offline — different mechanics, same lesson about lines that move while your attention is elsewhere. Or work out your own floor with the calculator.

None of this is a promise about outcomes. Alerts are best-effort, and the rules that bind you are your firm’s, not ours. The goal is simpler: to make the line you have to respect impossible to forget.

Frequently asked

What’s the difference between static and trailing drawdown?

Static drawdown is a fixed floor that never moves — for example $90,000 on a $100,000 account. Trailing drawdown follows your equity up as you make new highs, so the line you must stay above is tied to your peak equity, not your starting balance. Always confirm which type your firm uses against your account agreement.

Does trailing drawdown count unrealised (floating) profit?

On many firms the trailing floor tracks equity, so unrealised profit on an open trade can lift your peak — and therefore the floor — before you close anything. Confirm whether your firm trails on equity or on closed balance in your own account agreement.

When does a trailing drawdown stop trailing?

It depends on the firm: some stop the line rising once you lock in a set profit, others stop once it reaches your starting balance, after which the floor is fixed. Your own account agreement is the only authority on this.