A closely watched address reversed from bearish to bullish after closing a $45.17 million BTC short at an $831,000 loss between August 24 and 25, then opening a 12x long position of 554.71 BTC early August 27 at $80,140.6, valued at about $43.72 million. The position ranks as the eighth-largest BTC trade on Hyperliquid and was showing an unrealized loss of $748,000 at the time of the update. The address identified as 0x604…0b21d was tracked by on-chain analyst Ai Yi.