Ideas：

1. Long ETH: The options negative gamma is concentrated between 4000–4400, combined with a net inflow of $461 million from the US spot ETF in a single day, momentum continues.  

2. Long ETH/BTC: The ratio has risen to 0.035–0.036, with the ETF increment and large whales accumulating over 1.035 million ETH in recent months, maintaining a bullish stance.

3. Long ETH ecosystem β basket (UNI/AAVE/OP/SSV/EIGEN/ENA): After breaking out, the sector has seen a general rise of over 10%, choose strong ones to follow the trend.

4. Short SOL/ETH (relative): Retraced over 50% from the April highs, funds are shifting from SOL to ETH, maintaining a relative short position until rotation reverses. 

5. Long Base liquidity hub (AERO, etc.): Coinbase app connects directly to decentralized trading and pays network fees, the entrance is opening, and expectations for volume expansion are strong.