Copper futures prices traded marginally lower by 0.09% to Rs 423.80 per kg today as speculators offloaded their positions on weak global cues.
Sentiment turned bearish as copper declined in London before upcoming reports on UK's gross domestic product and concerns over Germany adding to the slowdown in Europe.
At the Multi Commodity Exchange, copper for delivery in November traded marginally lower by 40 paise, or 0.09%, to Rs 423.80 per kg in business turnover of 1,121 lots.
August copper weakened by 30 paise, or 0.07%, to Rs 418.70 per kg in 22,656 lots.
Market analysts said speculators offloaded their positions in line with a weak global trend, which led copper futures to trade lower.
Meanwhile, copper fell 0.3% to $7,395.25 a tonne on the London Metal Exchange.