Shanghai Aluminum opened higher in early trading yesterday, falling under pressure in intraday trading and closing slightly higher in late trading; The turnover continued to rise, and the positions continued to move to the 1006 contract. Yesterday, Shanghai Aluminum reported 16220- 16250 yuan/ton, which rose by 25 yuan, with a discount of 205- 265 yuan/ton, and the transaction was average. Shanghai aluminum opened higher and went lower, and the overall trend was weak. Test the 5-day support below, and it is expected to maintain the operation in the range of 16600- 17500 in the short term.