Technical analysis shows that although the four-hour K-line has had consecutive upward movements, the body is gradually shrinking, indicating a weakening of upward momentum. The three lines of the Bollinger Bands are synchronously narrowing, constrained by the pressure of the middle line, with weak breakthrough potential. Overall judgment suggests that it is advisable to maintain a high position in the early session, with a focus on rebound opportunities.

In the morning, the main cryptocurrency rebounded to 84300 for a short position, aiming first for around 82500, and stopping between 82500-82000 for a long position.