In terms of time: It has been running for 234 days since the price of 15,000 US dollars. If the base point is 31,800 US dollars, the rebound ratio is 61.8%
In terms of space: since the rebound of 15,000 US dollars, it has rebounded by more than 26.8% and less than 38.2%, which meets the minimum rebound requirement.
Structurally: At the end of the triple zigzag Z wave, the driving wave can also be explained but it is not so reasonable (the only reasonable explanation is the triple zigzag)