Stop-out Estimate
Estimate a stop-out price from equity, used margin and broker stop-out level.
How to use the Stop-out Estimate correctly
Estimate a stop-out price from equity, used margin and broker stop-out level. This page is designed to show not only a result but also the assumptions that drive it. The output is an educational calculation, not a trade signal, and should be checked against the current contract specification of your own broker before an order is placed.
Key inputs
The main inputs on this page are Equity, Used Margin, Stop-out Level (%), Entry Price, P/L per Price Unit, Side. Contract size, minimum volume, lot step, pip/point convention, margin method and account-currency conversion may differ even when two brokers use the same symbol name.
Formula
target equity = used margin × stop-out rate; allowed loss = current equity − target equity; distance = allowed loss ÷ value per price unitThis is an estimate for understanding margin mechanics, not a promise of the broker liquidation price. Leverage and margin should be treated as capital constraints; they do not replace a cash-loss budget based on the planned stop.
Worked example
Equity 2,000, used margin 1,000 and 50% stop-out implies target equity 500 and about 1,500 of loss capacity before the simplified threshold.
The example is intentionally simple so the arithmetic can be checked by hand. For a real position, replace every assumption with the values shown in your platform and include costs that are material for your holding period.
How to interpret the result
Use the result together with account-level limits: planned cash risk, required margin, effective leverage, and risk already open in other positions. A mathematically valid maximum is not the same thing as a prudent trade size.
Common mistakes
- Mixing pips, points and whole price units.
- Using a contract size copied from a different broker.
- Ignoring spread, commission, financing or currency conversion.
- Rounding a raw position size up instead of down to the permitted lot step.
FAQ
Can I send the calculated value directly as an order?
Use it as a reference only. Verify contract size, minimum volume, margin rate, account-currency conversion, spread and commission, then round conservatively to a valid order size.
Does higher leverage automatically make the position safer?
No. Higher available leverage generally lowers required margin. It does not reduce the profit or loss created by the same position size and price move.
Why can MT5 or another calculator show a different number?
Differences usually come from symbol specifications, conversion rates, pip/point definitions, rounding rules or whether trading costs are included. Compare the inputs before comparing the final number.
Content reviewed: 2026-08-31