Marketmen said building up of huge positions by participants, tracking a firming trend in the international markets, supported the upside in in guar gum prices in the future market.
Besides, uptick in export demand at the domestic spot markets amid tight supplies of guar seed from growing regions, led to the rising uar gum prices at futures trade here.
At the National Commodity and Derivative Exchange, guar gum for delivery in October hardened by Rs 73 or 0.89 per cent to Rs 8,275 per quintal, with an open interest of 27,235 lots.