Accessibility StatementSkip Navigation Second-highest Interest Rate daily volume on November 21 CHICAGO, Nov. 24, 2025 /PRNewswire/ --Â CME Group, the world's leading derivatives marketplace, today announced that open interest (OI) in its deeply liquid U.S. Treasury futures and options set a new record of 35,120,066 contracts on November 20. CME Group's deeply liquid interest rate futures and options complex also traded 44,839,732 contracts on November 21, the second-highest daily volume ever. "As market pa ...