[CFTC: Week as of September 29 Speculators increased their net short position in CBOT U.S. Treasury futures by 31,070 contracts] October 3rd, according to the U.S. Commodity Futures Trading Commission (CFTC): In the week ending September 29, speculators increased their net short position in CBOT U.S. Treasury futures by 31,070 contracts to 186,875; speculators reduced their net short position in CBOT U.S. ultra-long-term Treasury futures by 10,289 contracts to 186,875. 326,436; speculators cut net short position in CBOT U.S. 2-year Treasury futures by 115,041 contracts to 792,024; speculators increased CBOT U.S. 10-year Treasury note The net short position in futures was 88,863 contracts, to 900,615; speculators increased the net short position in CBOT U.S. 5-year Treasury futures futures by 114,848 contracts, to 995,701.