Zinc prices edged up by 30 paise to Rs 329.60 per kg in futures trade on Friday, supported by firm demand in the spot market.

On the Multi Commodity Exchange, zinc contracts for May delivery rose 30 paise, or 0.09%, to Rs 329.60 per kg, with a turnover of 412 lots.

Traders attributed the uptick to fresh buying interest and increased participation in the futures market.