December 21 ETH Morning

1. 4H level, entering a bearish trend, wait for a rebound in 4 hours, and short based on the height of the rebound.

2. 30F trend, a rebound appears with a penetrating move, the 30F trend may reverse to a bullish trend. However, do not chase the price to go long, be cautious in shorting, wait for a second buy on the 30F, enter long, and look for a rebound in 4 hours.