Today's largest BTC bulk option trading: A certain boss sold 80000 call options at the end of April and 80000 put options at the same time, earning 1.2614 million premium and 75 BTC on one side The boss expects BTC to fluctuate horizontally between 80000 yuan around the end of April, with a profit margin between 7.2-8.70 yuan, and the maximum profit will be 80000 yuan when BTC expires.