It can be set based on the resistance and support in the stop loss point above. The size of the stop loss should be set more based on the profit margin. This is to use small to make a big gain. When our profit margin can only be seen When the profit point reaches 5-8 points, the stop loss can be controlled at about 3 points; in long-term trading operations, the stop loss point can be appropriately enlarged. When the profit point is more than 30 points, the stop loss can be set to more than 8-10 points. Of course, the more reference factors for stop loss size are resistance and support.