A prominent Bitcoin trader, referred to as a "Bitcoin OG," has expanded his short position on Bitcoin by 200 BTC, utilizing 10x leverage. This move, reported by Onchain Lens, brings the trader's total short position to 900 BTC, valued at approximately $99.6 million. Despite the increase, the trader faces a floating loss of $1.1 million, with an average opening price of $109,521 and a liquidation price set at $141,072.