According to the U.S. Commodity Futures Trading Commission (CFTC), in the week ending July 21, speculators increased their net short positions in CBOT U.S. 10-year Treasury futures by 48,031 contracts to 879,706 contracts. Speculators also increased their net short positions in CBOT U.S. Treasury futures by 7,734 contracts to 186,790 contracts.