After the ETH fluctuated downward, it found support around 3900, forming a slight rebound in the short-term. The current price is still under pressure at the 4000 level, with a weak mid-term structure. In terms of operations, pay attention to the 4020-4050 pressure zone; if reached, a Light Position short can be taken, targeting a return to 3920. If it breaks down, it can extend to 3880, with defense set above 4070.