Multi-Asset Position Size Calculator

Active traders often run trades in multiple asset classes simultaneously — a forex pair, a stock, some crypto. The multi-asset calculator computes correct sizes for each (lots for forex, shares for stocks, coins for crypto, contracts for commodities) AND shows total portfolio risk in one view. Single-asset calculators miss the correlation problem.

Forex: Lot Size = Risk ÷ (Stop Pips × Pip Value/Lot). Stocks/Crypto: Quantity = Risk ÷ (Entry − Stop). Commodities/Indices: Contracts = Risk ÷ (Price Distance × Contract Size). Different units, same goal — limit dollar loss per trade to your defined risk budget.

Most professional traders cap total open-position risk at 5–6% of account equity. Above that, a correlated drawdown can cripple the account. The calculator's portfolio summary lets you see total risk in real time so you can scale down before adding a new position.

Two trades that move together aren't really two independent risks — they behave as one larger risk. EUR/USD + GBP/USD often lose together when USD strengthens. A 1% risk on each pair is closer to ~1.8% effective risk during dollar moves. Reduce sizes on correlated pairs or trade only one of each correlated pair.

Percentage. As your account grows, position sizes scale up automatically; when it shrinks (after losses), they scale down — protecting capital exactly when you need protection most. Fixed-dollar risk is the opposite: it grows MORE risky relative to a shrinking account, accelerating drawdowns.

Before every new trade — account balance changes daily with P&L, and entry/stop prices need recalculation each time. For active swing portfolios, recheck total open risk at session start to catch creeping risk that piles up across multiple held positions.