US Trichlorosilane Prices to Decline in November 2025 Post Previous Month 0.4% Fall

US Trichlorosilane Prices to Decline in November 2025 Post Previous Month 0.4% Fall

Conrad Beissel 27-Nov-2025

Trichlorosilane prices in the USA is forecasted to further decrease by November-end 2025 after a slight decline of 0.4% in October toward CFR Houston. Chinese feedstock silicon metal prices have tumbled this month, making world’s largest exporter able to cut production costs on a big scale among a swathe of bearish forces are converging. Simultaneously, Transpacific freight rates have plummeted. In an effort to head off any freight gains, carriers are backing off on blank sailings next week and will add more vessel space. Aggressive end-of-season destocking by Chinese producers and US importers, combined with typical November weakness in polysilicon demand prior to maintenance, will compound the bearish pressure. TSMC’s robust Oct revenue (+11% MoM, +16.9% YoY) notwithstanding, sequential semiconductor end demand is typically weak in Nov. Traders predict a decline to Trichlorosilane CFR Houston, with a risk of the low-500s by the beginning of December if export offers continue to deteriorate.

Market observers expect yet another price drop for Trichlorosilane (TCS), CFR Houston U.S. prices in November xxxx after the slight x.xx pullback in October. ChemAnalyst expect that lower production costs in China combined with significantly reduced ocean freight rates, increasing vessel capacity on the Transpacific trade, and aggressive year-end destocking will overpower any support from downstream semiconductor-grade polysilicon demand.

The main bearish source could be China, the world largest supplier of Trichlorosilane. Domestic prices of silicon metal, the key feedstock, have been dropping throughout November, substantially lowering the production cost for Chinese manufacturers. With Trichlorosilane FOB China offers already softening October is expected to further decline in the near future as exporters look to pass on Trichlorosilane CFR prices in the USA

To make the cost advantage even greater, the ocean freight rate on the important Transpacific Headhaul route may be dropping again in November. Spot rates to the...

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