行业比较周跟踪：A股估值及行业中观景气跟踪周报-20251123

Group 1: A-Share Valuation Overview - The overall valuation of the A-share market as of November 21, 2025, shows the CSI All Share Index (excluding ST stocks) with a PE of 20.6x and a PB of 1.7x, positioned at the 74th and 36th historical percentiles respectively [2][5] - The Shanghai 50 Index has a PE of 11.9x and a PB of 1.3x, at the 64th and 43rd historical percentiles [2][5] - The ChiNext Index has a PE of 37.7x and a PB of 4.9x, which are at the 27th and 51st historical percentiles, indicating a relatively high valuation compared to other indices [2][5] Group 2: Industry Valuation Comparison - Industries with PE valuations above the 85th historical percentile include Real Estate, Retail, and IT Services [2][7] - The Semiconductor and Communication sectors have PB valuations above the 85th historical percentile, indicating high market expectations [2][7] - The Medical Services industry is noted for having both PE and PB valuations below the 15th historical percentile, suggesting potential undervaluation [2][7] Group 3: Industry Midstream Economic Tracking - In the New Energy sector, the photovoltaic industry chain is experiencing a decline in spot prices, with upstream polysilicon prices rising by 7.8% while downstream battery and module prices are under downward pressure [2][3] - The real estate chain shows a slight increase in rebar prices by 0.6% and cement prices by 0.4%, while glass prices are under pressure due to high inventory levels [2][3] - In the consumption sector, pork prices have decreased by 0.8%, while the aviation sector shows a recovery with a 8.9% year-on-year increase in passenger turnover in October 2025 [2][3] Group 4: Technology and TMT Sector Insights - The domestic integrated circuit and optoelectronic device production increased by 10.2% year-on-year from January to October 2025, indicating growth in the technology sector [2][3] - The communication sector has seen a 16.9% year-on-year decline in optical communication module export value, reflecting challenges in international markets [2][3] Group 5: Commodity and Cyclical Industry Trends - The metals market is under pressure with copper prices down by 0.6% and aluminum down by 1.8%, influenced by tighter liquidity conditions [2][3] - Brent crude oil prices fell by 2.8% to $62.51 per barrel, reflecting global supply dynamics [2][3] - The coal market remains stable with prices for Qinhuangdao port thermal coal holding steady, while coking coal prices decreased by 2.0% [2][3]