Refined soya oil futures remained weak and lost Rs 8.45 to Rs 650.30 per 10 kg on Tuesday on sustained profit booking at higher levels, influenced by fall in demand at the spot market.

At the Multi Commodity Exchange, refined soya oil for July contract fell by Rs 8.45, or 1.28 per cent, to Rs 650.30 per 10 kg, with a trade volume of five lots.

Similarly, the oil for delivery in June declined by Rs 3.60, or 0.55 per cent, to Rs 647 per 10 kg, with a business turnover of seven lots.

Traders attributed the fall in refined soya oil to speculators booking profits at higher levels due to fall in demand in the spot market traders said.