As of the week ending August 20, speculators increased the net short interest in CBOT US 2-year Treasury futures by 47,974 contracts to 1,152,580 contracts. The net short interest in US 5-year Treasury futures increased by 41,738 contracts to 1,736,810 contracts. The net long interest in US 10-year Treasury futures increased by 177,869 contracts to 1,038,112 contracts. The net short interest in ultra-long-term Treasury futures decreased by 23,519 contracts to 325,614 contracts.