📚 Science popularization article: The current BTC DVOL volatility index is 47.08 (low volatility), the current IV (implied volatility) is lower than 96.4% of the past year, and the Greed index is 60 (greed). If you sell a call option of 98000 at the end of May, the yield of the currency standard is 4.2%, and the annualized return is about 25.58% 🤑。 Expired BTC<; 10.2w (break even point) is the profit.