Position Size Calculator

How many contracts? Let the stop decide.

Your trade

Instrument

Risk per trade ($) The most you’re willing to lose if the stop hits. Stop distance (points) From your entry to your stop — measure it on the chart.

Your size

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contracts

Enter your numbers above.

Quick table: same risk, different stops

If your stop were tighter or wider, here’s what you’d trade:

Stop (pts)	Contracts	Real risk ($)

PO3 tie-in: place your stop beyond the PO3 level or quarter extreme — not inside it. Stops inside a level get hunted; stops beyond it survive the sweep. Then let this calculator do the math: risk ÷ stop distance = contracts. The chart picks the stop, the math picks the size — never the other way around.