Marketmen said raising of bets by participants coupled with restricted supplies from growing belts against rebound in demand in the spot markets, mainly supported the upside in guar seed prices in the futures market.
At the National Commodity and Derivatives Exchange, guar seed for delivery in most-active October advanced by Rs 40, or 1.04 per cent, to Rs 3,898 per quintal, with an open interest of 82,640 lots.
Also, the delivery for November gained Rs 30, or 0.77 per cent, to Rs 3,938 per quintal, in an open interest of 8,087 lots.