Futures market: This morning, SHFE tin 2411 contract opened with high-level fluctuations, closing at 267,100 yuan/mt at midday, up 1.04%.
Spot market: During the morning session, trading companies quoted domestic tin brands with little change in premiums/discounts compared to recent days. Small brand tin was quoted at premiums of 0-200 yuan/mt against the SHFE 2411 contract, delivery brand at premiums of 0-600 yuan/mt, Yunnan Tin brand at premiums of 600-800 yuan/mt, and imported tin brands at discounts of 400-200 yuan/mt against the SHFE 2411 contract. Tin prices fluctuated at high levels today, with overall prices remaining at recent highs, leading to low purchasing sentiment among downstream companies. Most trading companies reported scattered transactions. Overall, the spot market transactions were relatively sluggish this morning.
![Contrato de estanho 2609 da SHFE recuou com redução de posições, fechando a 427.490, com saída de capital de 221 milhões [Boletim Matinal de Estanho da SMM]](https://imgqn.smm.cn/usercenter/nBLhE20251217171750.jpg)

![CPI dos EUA em julho a 3,4% atendeu às expectativas do mercado; centro do preço do estanho recuou, estimulando alguma demanda rígida [Revisão do meio-dia de estanho da SMM]](https://imgqn.smm.cn/usercenter/sRGMJ20251217171752.jpg)
