The most-active cotton contract on ICE Futures US December fell 0.73%, at 60.01 cents per lb as of 2:01 p.m. EDT (1801 GMT). It traded within a range of 59.93 and 60.94 cents a lb.
"We've had pretty decent export sales but disappointed that we didn't get any legislation to replace NAFTA.
Lack of China buying is disappointing, while good harvest weather and harvest expectations are adding pressure," said Ted Seifried, Chief Market Strategist at Zaner Ag Hedge Group.
"China's cotton futures have been under pressure, as they are continuing to sell their strategic reserves on to their domestic market that might give us some insight as to why they haven't bought anything for months."
Weekly export sales data from the US Department of Agriculture showed net sales of 155,200 running bales for 2019/2020, up 83% from the previous week.
The US House of Representatives on Thursday said it is hoping to move ahead with Trump administration's trade deal with Mexico and Canada to replace the North American Free Trade Agreement (NAFTA).
Cotton prices slid 18% so far this year due to the drawn-out tariff war between the natural fiber's top consumer China and one of the top producers - the United States.
Total futures market volume fell by 974 to 14,385 lots. Data showed total open interest gained 570 to 234,295 contracts in the previous session.
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