Tracking a weak trend at thedomestic spot markets due to tepid demand, nickel prices traded lower by 0.15 per cent to Rs 1,030.60 per kg in futures trade today as participants cut down their bets.At the Multi Commodity Exchange, nickel for delivery in June fell by Rs 1.50, or 0.15 per cent, to Rs 1,030.60 per kg, in a business turnover of 1,242 lots.Likewise, the metal for delivery in July traded lower by 60 paise, or 0.06 per cent, to Rs 1,035.50 per kg in 11 lots.Analysts attributed the slide in nickel futures to a weak trend at the physical markets due to fall in demand from alloy makers.