ETH futures whale nets $3.67 million in 2.5 days on eight high-frequency trades

On-chain analyst Ember (@EmberCN) reported that an ETH futures-focused whale completed eight round-trip trades over about two and a half days, holding each position for roughly 1–2 hours before exiting. The account recorded seven profitable trades and one loss, translating to an 87% win rate. With an initial principal of $3 million, the balance rose to $6.67 million, delivering $3.67 million in net profit, up 122%.