Silver prices were up by Rs 144 at Rs 41,550 per kg at the futures trade as participants indulged in enlarging positions amid a firm trend in precious metals overseas.

At the Multi Commodity Exchange, silver for delivery in May was up by Rs 144 or 0.35 per cent at Rs 41,550 per kg in a business turnover of 247 lots.

Analysts said widening of positions by speculators in step with a firm trend in global markets as geopolitical concerns raised appeal for the precious metal, influenced silver prices at the futures trade.

Globally, silver was up 0.08 per cent at $17.94 an ounce in Singapore.