Besides, tight stocks position on fall in supplies from producing regions fuelled the uptrend.
At the National Commodity and Derivatives Exchange, refined soya oil for delivery in October rose Rs 1.55, or 0.23 per cent, to Rs 667.55 per 10 kg with an open interest of 26,200 lots.
On similar lines, the oil for delivery in September edged up by 90 paise, or 0.14 per cent, to Rs 657.75 per 10 kg in 48,710 lots.
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