Marketmen said apart from fall in supplies, pick up in demand at existing levels at the spot markets, mainly supported the upside in castorseed prices at futures trade here.
At the National Commodity and Derivatives Exchange, castorseed prices for delivery in August contract recovered by Rs 30, or 0.70 per cent to Rs 3,817 per quintal, with an open interest of 1,45,320 lots.
Also, castorseed September contract was trading higher by Rs 27, or 0.70 per cent to Rs 3,895 per quintal, in an open interest of 1,44,300 lots.