At the National Commodity and Derivative Exchange, guar gum for delivery in February contracts was trading sharply lower by Rs 159, or 1.67 per cent, to Rs 9,338 per quintal, with an open interest of 77,880 lots.
Likewise, the delivery in March contracts slipped Rs 149, or 1.55 per cent, to Rs 9,467 per quintal in an open interest of 5,775 lots.
Marketmen said emergence of profit-booking at existing levels by participants coupled with a weak trend in the physical market on ample stocks following persistent supplies from mills dragged down prices.