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General stop loss is set at a fixed price and is triggered when the market price equals or exceeds the price set by the trader.

Trailing stop is set based on points (the distance of price movement). When the market price moves in a favorable direction, the stop loss price of the order moves accordingly.

A general stop loss can be set on both the mobile and desktop versions of MT4. However, a trailing stop can only be set on the desktop version of MT4. To ensure that the trailing stop function performs correctly, you need to keep MT4 open and maintain a stable network connection.