The overall surge in the crypto market on May 21 was caused by the following tweet -

Even if the whole world knows that the Auntie ETF will eventually pass, the final approval will be finalized after major institutions have revised their S-1s. During this period, the market makers will release news from time to time to liquidate positions at a fixed point, regardless of whether they are long or short. (Remember the historical lessons of the few days before the Bitcoin ETF was passed). Therefore, it is recommended to hold spot and stay away from contracts.