A trader known as folhas99 has taken a significant short position on Bitcoin, holding 750 BTC valued at approximately $49.63 million. The position, opened on February 28 with a 40x leverage, has an entry price of $64,534 and a liquidation price of $70,730. Currently, the position is facing an unrealized loss of $1.187 million. The trader has set a limit sell order at $55,000, aiming to profit if Bitcoin's price drops by another $11,000.