Today's largest block option in BTC: A certain boss earned 1.401 million in premium and sold 95000 call options at the end of June, totaling 100 BTC It is estimated that the boss holds a large amount of BTC spot and sells forward call options to earn profits. Price at delivery<; 111000 is considered profit, with a currency based return of 15.95% (approximately 58.2% annualized).