A few points to note when rolling positions:

1. Be patient enough. The profit of rolling positions is huge. As long as you can roll successfully a few times, you can earn at least tens of millions or hundreds of millions. Therefore, you cannot roll easily. You must look for opportunities with high certainty.

2. Opportunities with high certainty refer to sideways fluctuations after a sharp drop, and then an upward breakthrough. At this time, the probability of trending is very high. Find the point of trend reversal and get on board at the beginning.

3. Only roll more;