Some firms freeze the trailing drawdown once the floor has trailed all the way up to your starting balance. After the freeze the floor no longer follows your gains: your original starting balance becomes a permanent hard floor.
Topstep freezes; Apex Trader Funding does not. The freeze is good news: it caps how high the floor can climb, so every dollar of profit beyond the freeze point is genuinely yours to risk.
See it on your own trades.
Merlin computes the metrics and rule distances above from your imported history, and checks your next trade against them before you enter.
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Firm figures reflect published rules at the time of writing. Firms revise rules often, so verify against the firm's site before relying on them.
Merlin's gauges derive from closed trades. Your firm watches live equity including open positions.
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