Prop Firm Drawdown Calculator | Trailing vs Balance Risk Calculator

Account Starting Balance Select or type custom

Drawdown Rule Model

Static Balance

Fixed to initial balance. (FTMO, The5ers)

Trailing (Locks)

Trails high watermark then locks at start balance. (Apex, Topstep)

Pure Relative

Trails continuously behind highest equity.

Current Balance / Equity

Your open floating equity or closed balance

Highest Peak Balance (HWM)

Highest balance ever reached on account

Max Total DD %

Daily Max DD %

Today's Start Balance

Safe Sizing Calculator (Based on Remaining Buffer)

Max Risk of Buffer Per Trade

Trade Stop Loss (Pips)

Account Health Safe Standing

Total Breach Level (Floor)

$90,000.00

Liquidation

Threshold is fixed to your starting balance of $100,000.

Total Loss Buffer Remaining 13.5%

+$13,500.00

Breach ($0) Plenty of headroom Full Buffer

Daily Breach Floor $97,660.00 5% of today's start

Daily Loss Buffer +$5,840.00 Can lose today

Max Trade Risk Allowed $1,168.00

Safe Lot Size (20 pips SL): 5.84 Lots

💡 Pro Tip: Calculate lot sizes using your remaining drawdown buffer, not your total balance. This guarantees you never blow an account on a 3-trade losing streak.