Stop-out level: the number that decides when the platform closes positions for you

[Shadow Trader]

Every broker has a margin level at which the platform begins closing positions automatically. It might be 50 percent, 30 percent, or 20 percent. The percentages differ, and the order of closing varies.

For scalpers using high leverage with several open positions, the stop-out can arrive unexpectedly. A fast market, a widening spread, or a platform that uses a conservative margin calculation can push the margin level down quickly.

The details matter. Some platforms close the largest losing position first. Others close in order of opening. Some close everything at once. The result at stop-out may be a partial liquidation that leaves a mismatched portfolio.

Spread widening can also trigger stop-outs by itself. Margin level is computed using the current bid or ask, and a spike in spread at rollover can drop a thinly margined account below the threshold in a moment.

Reading the broker's rules on margin call and stop-out, and keeping margin utilization well below the danger zone, avoids a lot of trouble.

A monitoring habit: check free margin before any large order, and watch margin level during news.

Another subtle issue is the difference between margin level and equity. Floating losses reduce equity, and with it the margin level. A basket of positions that individually look safe can combine to a dangerous level, particularly when they are correlated.

Stop-out also interacts with the speed of the market. In a rapid move, the platform may take several seconds to process closures, and by the time it does, the margin level has fallen further. The result is closure at worse prices than the threshold implies.

Monitoring can be automated. An alert that fires when margin level drops below a chosen figure, well above the broker's stop-out, gives time to act. Some platforms support such alerts natively, and others need a small script.

Understanding this mechanism has practical implications for position sizing, especially for scalpers who may open many positions in a short time. The total exposure at the worst moment matters more than the exposure of any single trade.

At which margin level does the broker liquidate, and has the account ever come close?