At the National Commodity and Derivatives Exchange, the oil for delivery in February fell by Rs 2.70, or 0.36 per cent to Rs 738.25 per 10 kg with an open interest of 34,710 lots.
On similar lines, the oil for delivery in January declined by Rs 1.85, or 0.25 per cent to Rs 740 per 10 kg in 15,450 lots.
Analysts said offloading of positions by participants due to sluggish demand in the physical market against ample stocks position, mainly kept refined soya oil prices down at futures trade.