As mentioned above, in an upward trend, wait for the price to rebound to an important support level to buy, and stop losing after effectively breaking the level. Short term selling and closing positions on the upper track of the upward channel(But it's easy not to open new positions and sell short);In the downward trend, wait for the price to rebound to an important pressure level and sell short, effectively breaking the level to stop losses. Similarly, buying and closing positions at the bottom of the downtrend channel(Never open new positions to rebound)。
3Only important reversal points can be used for reverse market orders?
When a large wave shape, proportion, and cycle reach a certain reversal point simultaneously, a reverse order can be made, and it must be a light position. The stop loss can be amplified, but it cannot be without a stop loss.