At the National Commodity and Derivatives Exchange, refined soya oil for delivery in July fell by Rs 3 or 0.48 per cent to Rs 626 per 10 kg with an open interest of 8,110 lots.
Similarly, the oil for delivery in August shed Rs 1.85 or 0.29 per cent to Rs 634.50 per 10 kg in 1,08,890 lots.
Analysts said besides profit-booking by traders, fall in demand in the spot market against adequate stocks position mainly pulled down refined soya oil prices.