On August 18, the SM2509 contract opened at 6052 and finally closed at 6026 yuan/mt, with a gain of 0.27%. The highest price was 6060 yuan/mt and the lowest price was 5984 yuan/mt. Trading volume was 112,392 lots, and open interest was 142,698 lots. Cost side, the spot prices of manganese ore, coke, and manganese-rich slag remained firm, providing strong cost support for SiMn alloy. Spot side, today's SiMn spot prices were firm. Futures side, today's SiMn futures moved downwards after a higher opening, but the fluctuation range was relatively narrow. Demand side, HBIS raised its pricing, in line with the price expectations of the SiMn market, and the overall sentiment in the SiMn market remained warm.
![Before the holiday, the black chain is unlikely to see a trend-driven market [SMM Steel Industry Chain Weekly Report].](https://imgqn.smm.cn/usercenter/zUFfM20251217171748.jpg)

![[SMM Chromium Daily Review] Inquiries and Transactions Weakened, Chromium Market Showed Mediocre Performance Before the Holiday](https://imgqn.smm.cn/usercenter/ENDOs20251217171718.jpg)
