The Wacky Whale

Free Tool

Free Position Size Calculator

Pick your stop from the chart, then let the math pick your size. Works for stocks (multiplier 1), and for options or futures when you enter the contract multiplier.

Position Size Calculator

Enter your stop first. The calculator tells you how big the position can be so a stop-out costs exactly your planned risk.

Max position size
50 shares
Planned risk
$100.00
Risk if stopped
$100.00
Position value
$2,500.00
Direction
Long

Members Get 3 More Tools And A Journal

  • Risk-Reward And Expectancy: see if your win rate and payoff add up, and how likely a losing streak is.
  • Options Payoff At Expiration: break-even, max loss, max gain and a payoff chart for any call or put.
  • Drawdown Recovery: the gain you need to climb back from any loss.
  • Trade Journal: P&L, R-multiples, win rate, expectancy and profit factor, worked out for you.
Get The Full Toolkit

Get The Free Risk-First Starter Kit

Free. One email with the kit. No spam.

Think Big. Risk Small. Start Today.

Get all 10 lessons, the full calculator toolkit and your private trade journal for $29 a month. Cancel any time. 7-day money-back guarantee on your first payment.