According to the latest news from TechFlow, Lin Chen, the head of Deribit Asia-Pacific, stated that the largest BTC block option today involved receiving a premium of $1.35 million and selling 685 BTC call options at a strike price of 65,000 by the end of September.

It is believed that the user holds a large amount of BTC spot and earns some income by selling call options. Profit is realized if the price at maturity is less than $67,000, with a coin-based return of 3.7% (annualized approximately 28.73%).