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What Is Stop Loss?

Definition and plain-English explanation of "Stop Loss"

Stop Loss — Trading illustration

A stop loss is a pre-set price at which you automatically sell a stock to limit your loss on a trade. For example, if you buy a stock at $100 and set a stop loss at $90, your position automatically sells if the price falls to $90, capping your loss at 10%. Stop losses are a fundamental risk management tool that prevent small losses from becoming catastrophic ones.

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