According to ChainCatcher, Ember monitoring shows that the [Four-time ETH 75% Win Rate Whale] added $3.32 million USDC in margin early this morning, increasing their ETH short position back to 27,000 ETH (with a notional value of approximately $100 million).
This whale's current ETH short position has shifted from an unrealized profit of $12.25 million to an unrealized loss of $2.32 million.