A Hyperliquid account identified as "btc@tuta.com" is currently holding the largest short position on PUMP, with a 5x leverage on 8.56 billion PUMP tokens, valued at $64 million. The opening price was $0.00338, but PUMP's current price has more than doubled, resulting in an unrealized loss of approximately $35 million. Additionally, the account holds short positions in SOL and LINK, with total unrealized losses reaching $44.1 million. The account's frequent trading activity suggests it may be engaged in arbitrage or hedging strategies.