Position Size Calculator
how many shares should you buy? · risk-based sizing
> risk_amount_$$500.00
> risk_per_share_$
> position_size
> position_value$15,000.00
> %_of_account60.0%
> stop_loss_%_from_entry-3.33%
> /reference
> Risk amount = account × risk% / 100
> Risk per share = |entry − stop loss|
> Position size = risk amount / risk per share (rounded down)
> 1–2% rule: never risk more than 2% of your account on one trade
> 6% rule: never have more than 6% of account at risk across all open positions
> NFA — position sizing doesn't guarantee profits, only controls losses