The largest block option in BTC today was when a certain boss sold a put option worth 100000 yuan at the end of the year and a call option worth 125000 yuan, totaling 200 BTC. The income premium was 1.91 million yuan, and the profit range at maturity was 85000 yuan to 151000 yuan, with a high winning rate; It can also be considered that summer vacation is coming, and the volatility will continue to decline in the future