On September 22, the average warrant price fell by $2/mt from the previous trading day to $117/mt (price range: $110-124/mt); the average B/L price fell by $1/mt from the previous trading day to 112 yuan/mt (price range: 104-120 yuan/mt); the average EQ copper (CIF B/L) price fell by $3/mt from the previous trading day to $52/mt (price range: $46-58/mt), with quotations referencing cargoes arriving from September to mid-to-late October.
The SHFE/LME price ratio remained inverted today, and the LME October date contract backwardation widened, leaving the market sluggish. Meanwhile, as domestic spot copper premiums shot up, SMM learned that domestic smelters have not yet made export moves. Today, mainstream quotations for registered ER copper warrants were heard at $110-120/mt; mainstream quotations for EQ copper arriving in October were at $50-60/mt.
![Tight available supply drives premiums sharply higher; caution needed over weakening downstream acceptance amid high prices and high backwardation [SMM Shanghai Spot Copper]](https://imgqn.smm.cn/usercenter/Bwtty20251217171714.jpeg)
![Tight available supply drives premiums sharply higher; caution needed over weakening downstream acceptance amid high prices and high backwardation [SMM Shanghai Spot Copper]](https://imgqn.smm.cn/usercenter/KytYP20251217171712.jpg)
![Imports Down, Exports Up: China's Net Copper Cathode Imports Fell in August 2026 [SMM Analysis]](https://imgqn.smm.cn/usercenter/pJSbE20251217171713.jpeg)
