At the National Commodity and Derivatives Exchange, refined soya oil for delivery this month went up by Rs 2.85, or 0.46 per cent, to Rs 615.80 per 10 kg, with an open interest of 4,740 lots.
Similarly, the oil for delivery in far-month February traded higher by Rs 2.20, or 0.37 per cent, to Rs 603.85 per 10 kg in 88,610 lots.
Analysts attributed the rise in refined soya oil prices at futures trade to strong demand in the spot market against restricted supplies from the producing belts.