Did they successfully sell high and buy low?

Trader 58bro.eth deposited 8,000 units of $ETH to an exchange on 11.04–05 at a price of $2,397.41.

In the past 50 minutes, they withdrew 8,000 units from #OKX at a price of $2,007.27. It has yet to be confirmed whether these two transactions correspond to a sale and a purchase; if so, they would have saved $3.121 million.