On Friday evening, London copper opened at $9,745.5 per ton, dipping to a low of $9,716.5 per ton shortly after the opening bell. Subsequently, it experienced a volatile uptrend, peaking at $9,817 per ton towards the close of trading. Ultimately, it closed at $9,803 per ton, registering a 0.67% increase. Trading volume reached 16,000 contracts, while open interest stood at 292,000 contracts. Meanwhile, Shanghai copper's main contract 2411 opened at 77,370 yuan per ton on Friday evening, briefly dipping to 77,340 yuan per ton shortly after the opening. However, it then rallied, peaking at 78,050 yuan per ton towards the end of trading. It ultimately closed at 78,020 yuan per ton, marking a 0.96% increase. Trading volume reached 33,000 contracts, while open interest stood at 161,000 contracts.