Ethereum futures have been quite volatile recently. Looking at this trend, it's better to take a contrarian approach. When the market changes rapidly, going with the trend can sometimes lead to being trapped; it's more reliable to seize rebound opportunities. The technical analysis of this wave of Ethereum provides many signals, with key support and resistance levels being very clear. Taking advantage of these moments to operate in the opposite direction can better grasp profit opportunities. Market sentiment is switching back and forth; those who can identify turning points more quickly will be able to profit from this wave.