Tracking gains in base metals overseas and better domestic demand, zinc futures today edged up by 0.45 per cent to Rs 121.50 per kg as speculators enlarged their positions.
At the Multi Commodity Exchange, zinc for delivery in current month moved up by 55 paise or 0.45 per cent to Rs 121.50 per kg, with a business turnover of 309 lots.
The metal for delivery in October too rose by a similar margin to trade at Rs 122.15 per kg in a business volume of 17 lots.
Marketmen said improved demand in the spot market amid a firming trend in the base metals pack overseas, mainly influenced zinc prices at futures trade here.