Beautiful position sizing that protects your weekly and monthly drawdown.
Built around your rules: 6 % monthly max drawdown, 2 % weekly max drawdown, and 10 % of weekly drawdown as the absolute per-trade risk cap — effectively 0.2 % of balance before any existing losses erode the room further.
Monthly max loss
$360.00
6% of balance
Weekly max loss
$120.00
2% of balance
Trade risk cap
$12.00
10% of weekly max
Recommended size
0.048 lots
Units
4,800
Allowed risk for this trade
$12.00
Risk as % of balance
0.200%
Pip value per 1.00 lot
$10.00 / pip
Margin per 1.00 lot
$3,837.73
Raw size from risk
0.048 lots
Max size from margin
1.563 lots
Estimated notional exposure
$5,526.32
Equivalent units
4,800
The calculator takes the smallest of: remaining monthly loss room, remaining weekly loss room, and your fixed per-trade cap.
Trade size is within both drawdown and estimated margin limits.
Risk breakdown
Weekly loss room left
$120.00 / $120.00
Monthly loss room left
$360.00 / $360.00
Per-trade risk used
$12.00 / $12.00
Sizing formula
lots = allowedRisk / (stopLossPips × pipValuePerStandardLot)units = lots × 100,000finalLots = min(rawLotsByRisk, maxLotsByMargin)