【广发金工】AI识图关注通信

Market Performance - The Sci-Tech 50 Index increased by 13.31% over the last five trading days, while the ChiNext Index rose by 5.85%. The large-cap value index grew by 1.56%, and the large-cap growth index increased by 4.77%. The Shanghai 50 Index and the CSI 2000 Index, representing small caps, saw gains of 3.38% and 3.47%, respectively. The telecommunications and electronics sectors performed well, while real estate and coal sectors lagged behind [1]. Risk Premium Analysis - The static PE of the CSI All Index minus the yield of ten-year government bonds indicates a risk premium. Historical extreme bottoms have shown this data to be at two standard deviations above the mean, with notable instances in 2012, 2018, and 2020. As of January 19, 2024, the indicator reached 4.11%, marking the fifth occurrence since 2016 to exceed 4%. As of August 22, 2025, the indicator stands at 3.03%, with the two standard deviation boundary at 4.77% [1]. Valuation Levels - As of August 22, 2025, the CSI All Index's PE TTM percentile is at 76%. The Shanghai 50 and CSI 300 indices are at 72% and 68%, respectively, while the ChiNext Index is close to 39%. The CSI 500 and CSI 1000 indices are at 58% and 57%, indicating that the ChiNext Index's valuation is relatively low compared to historical averages [2]. Long-term Market Trends - The Shenzhen 100 Index has experienced bear markets approximately every three years, followed by bull markets. The current adjustment cycle began in Q1 2021, suggesting a potential upward cycle from the bottom based on historical patterns [2]. Fund Flow and Trading Activity - In the last five trading days, ETF inflows totaled 24.7 billion yuan, and the margin financing increased by approximately 90.1 billion yuan. The average daily trading volume across both markets was 25.463 billion yuan [3]. AI and Neural Network Analysis - A convolutional neural network (CNN) has been utilized to model price and volume data, mapping learned features to industry themes. The latest focus is on sectors such as telecommunications [8].