Copper futures on Thursday traded 0.18 per cent lower at Rs 451.55 per kg as speculators reduced their exposure on weak spot demand.
On the Multi Commodity Exchange, copper contracts for January delivery fell by 80 paise, or 0.18 per cent, to Rs 451.55 per kg in a business turnover of 2,593 lots.
Similarly, copper contracts for February delivery traded lower by 65 paise, or 0.14 per cent, at Rs 448.60 per kg in a business turnover of 230 lots.
Traders said weak demand in spot market mainly pushed down copper prices here.