"Football fan coins $ACM, $JUV, city, porto are rising. Football contracts are short-selling and the short-selling rate is -1.5%." No matter how you look at it, it feels like you are trying to find a hot spot on the second level. The trading volume of on-chain DEX has a tendency to exceed that of CEX. On-chain exploration and seizing beta benefits are quite important. I used to think that alpha was on the chain, and I always wanted to go where there are fewer people. Now the logic on the chain is becoming more and more like the original CEX. After thinking about it, I must first seize beta, and then consider alpha.