Science popularization article: The current DVOL volatility index of BTC is 57.59. If a put option worth 90000 at the end of March is sold, the premium return rate is 3.95%, and the annualized return is about 24.1% 🤑。 If the delivery price drops below 90000, the boss can buy BTC at 90000; If it does not fall below, the income premium is equivalent to a premium of 0.0395 BTC for 1 BTC. This strategy is suitable for investors who hold coins and want to earn some profits, but also want to hoard coins at low prices 😊。@ DeribitExchange