TL;DR: Topstep's numbers are preloaded — pick your account size, punch in your current balance and peak, and see exactly where your breach level sits right now. Topstep uses an end-of-day trailing Maximum Loss Limit plus a soft Daily Loss Limit per size. Numbers checked July 31, 2026; verify current rules with Topstep.
| Account | Max contracts | Drawdown | Profit target | Daily loss limit |
|---|---|---|---|---|
| 50k | 5 | $2,000 | $3,000 | $1,000 |
| 100k | 10 | $3,000 | $6,000 | $2,000 |
| 150k | 15 | $4,500 | $9,000 | $3,000 |
Trailing drawdown follows your account's balance peak: breach level = peak − drawdown, until the peak clears the starting balance + drawdown — at that point most firms lock the level at the starting balance (the "breakeven lock"). Intraday trailing moves with every unrealized high-water mark; end-of-day trailing only advances at the daily close; static drawdown never moves from start − drawdown. This calculator uses the same model as Trading Floor's live drawdown guardian — the seatbelt that auto-flattens your account a cushion above the firm's line.
Trading Floor mirrors one leader across every account you own in ~42ms median (live proof) — with a drawdown guardian that applies this exact firm preset in one click and auto-flattens a cushion above the line. See the Topstep trade copier page, or try the all-firms calculator.
Topstep uses an end-of-day trailing Maximum Loss Limit plus a soft Daily Loss Limit per size: the breach level is your peak balance minus the drawdown amount for your account size, until the peak clears the starting balance plus the drawdown — then it locks at the starting balance. The calculator above has each size's current number preloaded.
Once your peak balance reaches the starting balance plus the full drawdown amount, the level locks at your starting balance — from there, breaching means falling back to breakeven.
Yes — Trading Floor's drawdown guardian tracks each account's live equity against this same model and auto-flattens a configurable cushion above the line, then stops copying to that account. One click applies the Topstep preset.
Trading Floor watches every account live and flattens before the breach. First month free.
Start free — first month free