The volatility index DVOL of BTC has been suppressed to 44.7, which is lower than 98% of the past year. When the spot price rises, the bosses are selling put options and holding a large number of call options on the spot; Holding a large number of put options on U for sale. This year, DVOL is expected to hit a historic low, falling below 40. In short, after the new low, I will definitely buy options instead of selling them.