Look at the leaderboards on FTX and Bitfinex while it’s happening. They’ll show you the most profitable recent traders. You won’t see it now but I’m sure there are screenshots on Twitter if you follow trading.

Edit: this is also a great resource to see whales moving funds from their wallets, which telegraphs their trades: https://whale-alert.io/

Also, watch short positions. If you see them ratcheting up when the market is calm and trading is thin, lookout below.