# Stop Market Order

Market stop order. When the **Trigger Price** is hit, a market order for the given Size will execute. Price, as with all other price inputs can be selected automatically by clicking on the chart.

**Switches**

* **Reduce** -- indicates this market order is Reduce Only and will not increase the size of your position. Marked by a "R" in the order label on the chart.
* **Close** -- indicates this is a “close on trigger” to close the position. For Bybit the order label will display "C" and the current size of the order which is equal to your position size. Other exchanges will display "CLOSE" in the order label instead of the size.

**Trigger Price Source** determines whether the exchange’s Last, Mark or Index price is used to evaluate the trigger.


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