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Zinc futures edged up by 0.47% to Rs 138.60 per kg today as speculators enlarged positions amid a firm global trend and better domestic demand.
At the Multi Commodity Exchange, zinc for delivery in July went up by 65 paise, or 0.47%, to Rs 137.95 per kg, with a business turnover of 693 lots.
August zinc traded higher by 70 paise, or 0.43%, to Rs 139.40 per kg in a turnover of 59 lots.
Traders said besides improved spot demand, a firming trend in the metal overseas supported the upside at futures trade here.
Overseas, the metal traded near the highest price since August 2011 as inventories continued declining amidst signs of improving demand in China.
Globally, zinc for delivery in three months rose 0.3% to $2,310 a metric tonne at the London Metal Exchange (LME).
Meanwhile, LME inventory for zinc fell for the 10th day to 660,800 tonne on July 11, the lowest since December 2010, bourse data showed.
