Marketmen said participants reduced their positions following weak trend at spot markets on slowdown in demand from animal feed makers.
At the National Commodity and Derivative Exchange platform, the most-active October contract shed Rs 10 or 0.65 per cent to Rs 1,538 per quintal, with the business turnover of 54,960 lots.
Cottonseed oil cake to be delivered this month also eased by Rs 4 or 0.26 per cent to Rs 1,533 per quintal, in an open interest of 26,010 lots.