A股TTM、全动态估值全景扫描（20251025）：A股估值扩张，通信行业领涨

Core Insights - The overall valuation of A-shares has expanded this week, with the communication industry leading the gains. Market sentiment has improved due to expectations surrounding US-China negotiations and significant meetings, resulting in a strong performance from the technology sector, particularly communication equipment [1][8] - The "14th Five-Year Plan" emphasizes the construction of a strong network nation and the forward-looking layout of future industries, promoting sectors such as sixth-generation mobile communications as new economic growth points, indicating a positive outlook for the technology industry [1][8] - The current dynamic PE of the communication equipment industry is at the historical 97.3 percentile, suggesting high valuations that will test performance delivery capabilities [1][8] Valuation Overview - The overall PE (TTM) of A-shares increased from 22.00 times last week to 22.61 times this week, while the PB (LF) rose from 1.77 times to 1.82 times [10][14] - The PE (TTM) of the ChiNext board expanded from 75.51 times to 77.94 times, and the PB (LF) increased from 4.15 times to 4.35 times [19][20] - The PE (TTM) of the Sci-Tech Innovation Board rose from 246.87 times to 252.05 times, with the PB (LF) increasing from 5.14 times to 5.44 times [21][22] Relative Valuation Expansion - The relative PE (TTM) of computing infrastructure, excluding operators/resources, increased from 5.09 times to 5.52 times, while the relative PB (LF) rose from 4.74 times to 5.11 times [22][23] - In terms of static PE (TTM), major industries such as consumer discretionary, midstream manufacturing, and cyclical sectors have absolute and relative valuations above historical medians, with consumer discretionary and midstream manufacturing exceeding the 90th percentile [27][28] Industry Valuation Levels - From a static PE (TTM) perspective, industries like steel, computers, retail, and textiles have absolute and relative valuations above the 90th percentile, while industries such as real estate and comprehensive services are below the 10th percentile [38][39] - In terms of PB (LF), sectors including electronics, machinery, non-ferrous metals, and utilities have absolute and relative valuations above historical medians, with electronics exceeding the 90th percentile [41][43] Performance and Yield Comparison - The current comparison of odds (PB historical percentiles) and win rates (ROE historical percentiles) indicates that industries such as oil and petrochemicals, agriculture, communication, and public utilities exhibit characteristics of low valuation and high profitability [52] - The comparison of odds (dynamic PE) and win rates (expected compound growth rate of net profit for 2025-2026) shows that industries like building materials, power equipment, and media possess both low valuations and high performance growth [56]