Zinc prices edged up by 40 paise to Rs 187.40 per kg in futures market on Tuesday as traders built up fresh positions on spot demand.
On the Multi Commodity Exchange, zinc for delivery in October traded higher by 40 paise, or 0.21 per cent, to Rs 187.40 per kg in a business turnover of 2,789 lots.
The metal for delivery in November edged up by 75 paise, or 0.40 per cent, to Rs 189.90 per kg in 91 lots.
Marketmen said building up of fresh positions by participants following improved demand at the domestic spot market mainly influenced prices here.