山西证券研究早观点-20260108

Market Trends - The domestic market indices showed slight fluctuations, with the Shanghai Composite Index closing at 4,085.77, up by 0.05%, while the CSI 300 Index fell by 0.29% to 4,776.67 [4]. Industry Commentary: Communication - The communication industry outperformed in 2025, with a cumulative increase of 84.8%, ranking second among major sectors. Key segments included optical modules, liquid cooling, optical fibers, and satellite communications, with respective increases of 357.2%, 221.4%, 188.9%, and 160.2% [6]. - For 2026, the focus will be on overseas optical communications, domestic computing power, and commercial aerospace, which are expected to present high-low trading opportunities driven by event catalysts [6]. - The demand for 800G optical modules is projected to reach approximately 45 million units in 2026, doubling from 2025, with significant contributions from NV and ASIC [6]. Industry Commentary: Coal - The coal industry is expected to reverse the trend of internal competition, with a focus on controlling supply and improving profitability. The anticipated coal price for 2026 is around 720 RMB/ton, maintaining a tight balance [10]. - The report suggests that the "反内卷" (anti-involution) strategy will help stabilize coal prices and improve profitability, with a projected recovery in performance for the fourth quarter [10]. Industry Commentary: Photovoltaics - The price of polysilicon has increased, with average prices for dense materials rising to 54.0 RMB/kg, a 3.8% increase from the previous week. The total production of polysilicon in 2025 is estimated at 131.9 million tons, a decrease of 28.4% year-on-year [12]. - The average price of N-type battery cells has risen by 2.6% to 0.39 RMB/W, reflecting a response to inventory pressures and demand softness [14]. - The report highlights key companies to watch in the photovoltaic sector, including 隆基绿能 (LONGi Green Energy) and 晶澳科技 (JA Solar Technology) [14].