Futures stop loss is closed in the form of pending orders. Overnight exceeding the stop-loss price will trigger a stop-loss order, but the stop-loss is entrusted in the form of a pending order. If the price can't return to the stop-loss price, then the stop-loss order can't be closed. In this case, the stop loss is a failure. Only when the price returns to the stop-loss price can the stop-loss order be closed and the automatic closing can be realized.
Stop loss, and stop loss is stop loss.
For example, it is expected that rebar will rise, so I bought rebar at 4000 yuan. When the price dropped to 3,900 yuan, I felt I couldn't lose any more and had to go out. 3,900 yuan to close the position, the action of closing the position is called stop loss, and the price of 3,900 yuan is called "stop loss point". The corresponding is called "take profit", also called "take profit".