Wu said that according to Greeklive analysis, the overall market sentiment is optimistic, with traders focusing on the key resistance level of $4,000 for Ethereum and the impact of interest rate cut expectations on the market. Although most opinions suggest that a reversal may occur in mid to late August, volatility is relatively low in the short term, and the strategy is more inclined towards option sellers. Hot topics include Trump's proposal to allow 401(k) investments in cryptocurrency boosting market sentiment, the continuous rise in ETH's proportion being seen as a seasonal signal for ETH, and options strategies focusing on calendar spreads and selling combinations, leaning towards 'sell short and buy long' to wait for a rebound in volatility.