According to data from The Block Pro, Bitcoin and Ethereum options positions fell across the board in September, with Bitcoin options positions falling by 15.6% and Ethereum options positions falling by 6.4%. In addition, in terms of Bitcoin and Ethereum options trading volume, Bitcoin and Ethereum also fell significantly, with Bitcoin options trading volume falling by 17.9% in September to $17.3 billion; Ethereum options trading volume fell by 10% to $10.1 billion. In September, CME Bitcoin futures open interest fell by 12.8% to $1.95 billion, and the daily avg volume fell even more, by 16%, to about $1.15 billion. In September, the average monthly trading volume of Ethereum futures fell to about $209.7 billion, a decrease of 20.6%.