The largest BTC block option today is: A certain boss paid $3.493 million to purchase a call option of $120000 at the end of June, while selling a call option of $120000 at the end of March, for a total of 600 BTC on one side This is an option cross period arbitrage that utilizes the difference in volatility and option expiration time for layout. The boss expects the coin price to be below 120000 by the end of March, and there will be a market trend before the delivery at the end of June 📈。