Group 1 - LME copper futures prices experienced a slight decline, opening at $13,096.5 per ton and currently trading at $13,027 per ton, reflecting a decrease of 0.92% [1] - During the trading session, LME copper reached a high of $13,183 per ton and a low of $13,021 per ton [1] Group 2 - On January 15, LME copper futures opened at $13,233.0, with a closing price of $13,148.5, marking a decrease of 1.14% [2] - The Shanghai Futures Exchange reported a copper warehouse receipt of 162,717 tons on January 15, an increase of 13,378 tons compared to the previous trading day [2] - LME registered copper warehouse receipts totaled 91,025 tons, with 50,100 tons being canceled, a reduction of 900 tons, and total copper inventory at 141,125 tons, down by 500 tons [2] - Domestic research involving 56 electrolytic copper trading enterprises indicated a transaction volume of 23,700 tons for electrolytic copper on the same day, an increase of 40 tons or 1.53% compared to the previous trading day [2]

Group 1 - LME copper futures prices experienced a significant increase, opening at $11,220 per ton and currently at $11,230 per ton, with a peak of $11,294.5 per ton and a low of $11,201.5 per ton, reflecting a 0.37% rise [1] - On November 28, LME copper futures opened at $10,950 per ton, reached a high of $11,210.5, a low of $10,941, and closed at $11,175.5, marking a 2.25% increase [2] - The current spot price of electrolytic copper in the Shanghai-London ratio is 7.97, with an import loss of -860.94 yuan per ton, improving from -977.17 yuan per ton the previous trading day [2] Group 2 - As of November 28, the Shanghai Futures Exchange reported copper futures warehouse receipts at 35,244 tons, a decrease of 629 tons from the previous trading day [2] - LME registered copper warehouse receipts totaled 152,850 tons, with 6,575 tons canceled, an increase of 500 tons, and total copper inventory at 159,425 tons, up by 2,250 tons [2]