CALCULATORS · POSITION SIZE

Position size calculator for risk-first sizing

Decide the loss before the entry. Enter your account, risk percent and stop, and get the share count in seconds.

How big should the trade be?

Same setup, same stop, but the share count is what decides whether a loser stings or scars. This calculator fixes the risk first and lets the size follow.

HOW IT WORKS

Four steps, in order

1

Enter your account size.

2

Set the percent you're willing to lose.

3

Add your entry and your stop.

4

Get shares, exposure and risk at stop.

Position size

shares = floor(account × risk% ÷ |entry − stop|)

Shares
44
Risk at stop
$246.40
Position value
$8,351.20
Exposure of account
33.40%

Frequent questions

Short, practical answers. Trade-offs explained, no advice framing.

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