The US Department of Agriculture (USDA) Monday said the US cotton harvest was 46% complete, compared with a five-year average of 43%. USDA is scheduled to release its weekly export-sales report on Thursday. Total futures market volume fell by 2,268 to 24,485 lots. Data showed total open interest gained 1,691 to 241,579 contracts in the previous session. Certificated cotton stocks deliverable as of Oct. 29 totaled 24,948 480-lb bales, up from 23,378 in the previous session.