The provided content does not include any specific quantitative models or factors, nor does it detail their construction, evaluation, or backtesting results. The documents primarily focus on market performance, sector analysis, investor sentiment, ETF premiums/discounts, block trading, and institutional activity. These are descriptive analyses and do not involve the development or testing of quantitative models or factors.

The provided content does not contain any quantitative models or factors, nor does it include their construction, evaluation, or backtesting results. The documents primarily focus on market performance, sector analysis, ETF premiums/discounts, institutional activity, and other market-related data. There are no references to quantitative models or factors in the provided text.

Market Overview - The A-share market showed mixed performance today, with the Shanghai Composite Index rising by 0.32% to close at 3472.32 points, while the Shenzhen Component Index fell by 0.25% to 10508.76 points. The ChiNext Index decreased by 0.36% to 2156.32 points [1] - Overall, there were 4118 stocks that declined, 1169 that increased, and 129 that remained unchanged across the market. The total trading volume in the Shanghai and Shenzhen markets reached 14285 billion yuan, an increase of 1188.11 billion yuan compared to the previous trading day [1] Industry Performance - Among the Shenwan first-level industries, sectors such as banking, media, comprehensive services, public utilities, steel, and coal led the gains, while industries like beauty care, non-ferrous metals, basic chemicals, light manufacturing, environmental protection, and machinery equipment experienced declines [1] Sector Highlights - The top-performing concept sectors today included cross-border payments, central enterprise banks, digital currency, hydropower, selected banks, vitamins, financial technology, thermal power, and selected electric power stocks. Other notable sectors were "East Data West Calculation," innovative drugs, semiconductor equipment, biotechnology, and online gaming [1]

Market Overview - The A-share market showed mixed performance today, with the Shanghai Composite Index rising by 0.39% to close at 3457.75 points, while the Shenzhen Component Index increased by 0.11% to 10476.29 points. However, the Sci-Tech Innovation 50 Index fell by 0.86% to 994.80 points, and the ChiNext Index decreased by 0.24% to 2147.92 points. Overall, 2628 stocks rose, 2542 fell, and 247 remained unchanged across the market [1]. - The total trading volume in the Shanghai and Shenzhen markets was 14660 billion, a decrease of 208.42 billion compared to the previous trading day [1]. Industry Performance - Among the Shenwan first-level industries, sectors such as comprehensive, pharmaceutical biology, banking, non-ferrous metals, public utilities, and building materials led the gains, while computer, retail, telecommunications, media, power equipment, and real estate sectors experienced declines [1]. Sector Highlights - The top-performing concept sectors today included China Shipbuilding System, innovative drugs, antibiotics, vitamins, generic drugs, low-priced stocks in the ChiNext, hydropower, biotechnology, advanced packaging, superhard materials, pet economy, CRO, medical material exports, selected banks, and brain-computer interfaces [1].

The provided content does not contain any specific quantitative models or factors, nor does it include their construction processes, formulas, evaluations, or backtesting results. The documents primarily focus on market performance, sector analysis, ETF premiums/discounts, institutional activities, and other market-related data. There are no explicit mentions of quantitative models or factors that align with the requested analysis.

Market Overview - The A-share market saw most major indices decline today, with the Shanghai Composite Index down 0.22% closing at 3380.19 points, the Shenzhen Component down 0.72% at 10219.62 points, the Sci-Tech 50 down 0.48% at 990.71 points, and the ChiNext Index down 0.96% at 2045.57 points [1] - Overall, there were 4451 stocks that declined, while only 882 stocks rose, and 77 stocks remained flat [1] - The total trading volume in the Shanghai and Shenzhen markets was 11027 billion, a decrease of 707.55 billion compared to the previous trading day [1] Industry Performance - Among the Shenwan first-level industries, all sectors except for banking, media, and household appliances experienced declines today [1] - The sectors that led the decline included beauty care, social services, basic chemicals, environmental protection, real estate, and electric equipment [1] Sector Highlights - The top-performing concept sectors today included selected banking, smart speakers, multimodal models, central enterprise banks, ChatGPT, online gaming, K-12 education, selected air transport, Kimi, selected insurance, IGBT, Chinese corpus, short drama games, internet celebrity economy, and central enterprise automobiles [1]