📚 Science popularization article: The current BTC DVOL volatility index is 54.74 (moderate volatility), and the greed index is 31 (fear). If you sell a call option of 95000 at the end of May, the yield of the currency standard is 3.55%, and the annualized return of the currency standard is about 21.62% 🤑。 BTC<9.8w at maturity is considered profitable.