Castor seed prices slumped Rs 120 to Rs 4,031 per quintal in futures trade today after participants offloaded positions, triggered by a weak trend in the physical markets on ample stocks position.
At the National Commodity and Derivative Exchange, castor seed to be delivered in current month contracts plunged Rs 120, or 2.89 per cent, to Rs 4,031 per quintal with an open interest of 21,520 lots.