According to the U.S. Commodity Futures Trading Commission (CFTC), in the week ending October 6, speculators' net short positions in CBOT U.S. 5-year Treasury futures increased by 167,830 contracts to 1,163,531 contracts; while speculators' net short positions in CBOT U.S. 10-year Treasury futures decreased by 4,134 contracts to 896,481 contracts.