行业比较周跟踪（20251011-20251017）：A股估值及行业中观景气跟踪周报-20251019

Valuation Summary - The current PE and PB ratios for major indices are as follows: - CSI All Share (excluding ST) PE is 21.3x, PB is 1.8x, at historical percentiles of 79% and 39% respectively - SSE 50 Index PE is 12.0x, PB is 1.3x, at historical percentiles of 65% and 43% respectively - CSI 500 Index PE is 33.4x, PB is 2.2x, at historical percentiles of 63% and 45% respectively - ChiNext Index PE is 41.3x, PB is 5.2x, at historical percentiles of 36% and 57% respectively - CSI 1000 Index PE is 45.7x, PB is 2.4x, at historical percentiles of 65% and 44% respectively - National 2000 Index PE is 58.9x, PB is 2.5x, at historical percentiles of 76% and 58% respectively - STAR 50 Index PE is 174.7x, PB is 6.1x, at historical percentiles of 98% and 67% respectively - North Exchange 50 Index PE is 67.4x, PB is 5.1x, at historical percentiles of 88% and 93% respectively - ChiNext Index relative to CSI 300 PE is 2.9x, PB is 3.5x, at historical percentiles of 22% and 56% respectively [1][2][4] Industry Valuation Comparison - Industries with PE valuations above the 85th percentile historically include: Real Estate, Steel, and IT Services (Software Development) - Industries with PB valuations above the 85th percentile historically include: Electronics (Semiconductors) and Communications - Industries with both PE and PB valuations below the 15th percentile historically include: White Goods [1][2][5] Industry Midstream Sentiment Tracking New Energy - Photovoltaics: Post-holiday, downstream spot prices slightly declined. Upstream polysilicon futures prices increased by 6.3%, while spot prices remained stable. Midstream silicon wafer prices remained consistent, with potential production increases in Q4. Downstream battery cell prices fell by 0.5% [1][2] - Batteries: Cobalt prices rose by 9.8%, while nickel prices fell by 1.1%. Lithium prices for lithium hexafluorophosphate increased by 10.2%, while carbonate and hydroxide prices fell slightly. Strong demand for electrolytes in energy storage is pushing core material prices up [1][2] - New Energy Vehicles: In September 2025, retail sales of narrow passenger vehicles increased by 6.3% YoY, with new energy vehicle sales up by 15.5% YoY, indicating a recovery in consumer demand [1][2] Real Estate Chain - Steel: Rebar prices fell by 1.7%, with futures down by 2.1%. Daily crude steel production increased by 7.3% in early October, while steel product output decreased by 1.7% [2] - Cement: National cement price index fell by 1.2%, with insufficient demand to support price increases despite supply-side intentions [2] Consumer Sector - Pork: Average price of live pigs fell by 0.1%, while wholesale pork prices dropped by 4.4% [2] - Alcohol: Wholesale prices for premium liquor slightly increased by 0.01% [2] Midstream Manufacturing - Excavators: Sales in September 2025 increased by 25.4% YoY, driven by domestic infrastructure projects and equipment upgrades [2] Cyclical Sector - Precious Metals: Gold prices increased by 5.8%, with silver prices up by 6.5% amid macroeconomic uncertainties [2]