Stop-Loss Price Calculator
Derive the stop-loss trigger from direction, entry price, quantity and the maximum acceptable loss.
Results
Fill in the inputs and click Calculate.
- Stop-Loss Price
- –
- Loss Per Unit
- –
Risk disclaimer
This calculator provides estimates for informational purposes only. In fast markets price may skip the stop and real fills include slippage.
What is a stop-loss price calculator?
Convert your maximum loss into a loss per unit (loss ÷ quantity), then move down from entry for longs or up for shorts to get the stop.
Fees and slippage are not included; add them to the loss if you want them covered by the stop.
How to use
- Choose long or short.
- Enter the entry price, quantity and maximum acceptable loss.
- Click Calculate to get the stop-loss trigger price.
Formula
- Loss Per Unit = Max Loss ÷ Quantity
- Long Stop = Entry − Loss Per Unit
- Short Stop = Entry + Loss Per Unit
Example
Long entry 20,000, qty 1, max loss 1,000 → stop = 19,000.
With qty 2 and the same loss, stop = 19,500 — larger size puts the stop closer.
FAQ
How large should the max loss be?
Often a fixed % of your account (e.g. 1%). Size the quantity first, then derive the stop.
Are fees included?
No. Being stopped out still costs both trading fees; add expected fees to the max loss if you wish.