沪铜日评：加征关税存不确定和铜矿供给预期紧张扰动铜价-20251015

Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core View of the Report - Due to uncertainties in Sino - US trade tariff re - imposition, expectations of future Fed rate cuts and halt of balance - sheet reduction, and production disruptions in multiple overseas copper mines, the price of Shanghai copper is expected to be weak first and then strong. The report suggests waiting for the price to fall before laying out long positions [1] Group 3: Summary Based on Related Data 1. Shanghai Copper Data - On October 14, 2025, the Shanghai copper inventory was 36,295 tons, an increase of 3,405 tons from the previous day; the SMM 1 electrolytic copper - semi average price was 86,668.945, the SMM premium copper open - discount - average price was 100, the Shanghai copper basis was 1,580, and the trading volume was 210,984 lots, a decrease of 80,438 lots from the previous day [1] 2. London Copper Data - On October 14, 2025, the LME 3 - month copper futures closing price (electronic trading) was 10,598.5, a decrease of 203.5 from the previous day; the LME copper futures 3 - 15 - month contract spread was 153, a decrease of 56.5 from the previous day; the LME copper futures 0 - 3 - month contract spread was 54.87, a decrease of 171.91 from the previous day [1] 3. COMEX Copper Data - On October 14, 2025, the total COMEX copper inventory was 342,280, an increase of 2,755 from the previous day; the copper futures active contract closing price was 4.998, an increase of 0.15 from the previous day; the open interest was 187,566 lots, a decrease of 14,265 lots from the previous day [1] 4. Price Ratio and Premium Data - On October 14, 2025, the Shanghai - London copper price ratio was 7.9643, an increase of 0.08 from the previous day; the SMM Yangshan copper premium (warehouse receipt) - average price was 110, and the SMM Yangshan copper premium (bill of lading) - average price was 53, a decrease of 1 from the previous day [1]