Deribit Asia Pacific head of business LinChen said in the X platform, today BTC's largest bulk options: a user sold the end of September 65,000 call options and put options, a total of 300 BTC, income premium 3.408 million dollars. Short volatility, price profit range of $55,000 - $78,000, the currency standard return of 16.45%, it is estimated that the price will be repeatedly hovering in this range, September interest rate cut is expected, no interest rate cut before the fall; but the market at least in the short term there are no new events to promote the market again.