The largest BTC block option today is: A certain boss earned 2.043 million yuan in premium, purchased 83000 yuan in put options on March 14th (next Friday), and sold 85000 yuan in put options at the end of June, totaling 300 BTC The boss used a put option worth 85000 yuan at the end of June to pay for the cost of buying a put option worth 83000 yuan next Friday, which is equivalent to obtaining one week of downside protection for free. But if it falls below 76000 (break even point) by the end of June, it will incur losses.