- The report does not contain any specific quantitative models or factors for analysis

========= - The Shanghai Composite Index experienced a slight decline with a total market turnover of less than 1.7 trillion yuan, marking a 50-day low[1] - On October 22, 2025, the SSE 50 Index performed well among scale indices, while the Beijing 50 Index performed well among sector indices, and the CSI 300 Value Index performed well among style indices[2] - The sectors that performed well included petroleum and petrochemicals, banking, real estate, home appliances, and media, while the sectors that performed poorly included agriculture, forestry, animal husbandry, and fishery, non-ferrous metals, electric power, defense and military, and coal[2] - The market sentiment showed 74 stocks hitting the daily limit up and 8 stocks hitting the daily limit down at the close[2] - The financing balance as of October 21, 2025, was 24.443 trillion yuan, with a financing balance of 24.273 trillion yuan and a securities lending balance of 170 billion yuan[2] - The ETF with the highest premium on October 21, 2025, was the Oil and Natural Gas ETF, while the ETF with the highest discount was the Innovation 100 ETF[3] - The median annualized discount rates for the main contracts of the SSE 50, CSI 300, CSI 500, and CSI 1000 stock index futures over the past year were 0.15%, 3.05%, 10.33%, and 12.81%, respectively[3] - The stock with the most institutional research in the past week was Huace Testing, which was surveyed by 118 institutions[4] - The top ten stocks with the highest net inflows from institutional seats on October 22, 2025, included Rongxin Culture, Keboda, Teyi Pharmaceutical, Huayi Group, and Sanwei Communication[4] - The top ten stocks with the highest net inflows from Northbound Trading on October 22, 2025, included Sanwei Communication, Hunan Baiyin, Keboda, Teyi Pharmaceutical, and Guangming Real Estate[4] =========

Market Performance - The Shanghai 50 Index performed well today, increasing by 0.09%, while the CSI 300 Index decreased by 0.33% and the CSI 500 Index fell by 0.80% [4] - The North Exchange 50 Index showed strong performance, rising by 0.87%, while the Shenzhen Composite Index and the ChiNext Index both declined [4] - The oil and petrochemical, banking, real estate, home appliance, and media sectors performed well, with returns of 1.55%, 0.94%, 0.88%, 0.84%, and 0.56% respectively [8] Market Sentiment - At the close, 74 stocks hit the daily limit up, while 8 stocks hit the limit down [12] - Stocks that were limit up yesterday had a closing return of 2.18%, while those that were limit down had a return of -0.81% [14] - The sealing rate was 71%, down 7% from the previous day, while the consecutive sealing rate increased by 12% to 28% [16] Market Capital Flow - As of October 21, 2025, the margin trading balance was 24,443 billion yuan, with a financing balance of 24,273 billion yuan and a securities lending balance of 170 billion yuan [18] - The margin trading balance accounted for 2.5% of the total market capitalization, and margin trading represented 11.5% of the market turnover [20] Premium and Discount - On October 21, 2025, the oil and gas ETF had the highest premium at 0.97%, while the Innovation 100 ETF had the highest discount at 0.69% [24] - The average discount rate for block trades over the past six months was 6.15%, with a discount rate of 5.54% on the same day [26] Institutional Attention and Rankings - The stocks with the most institutional research in the past week included Huace Detection, Shiyuan Co., and Jiuzhou Pharmaceutical, with Huace Detection being researched by 118 institutions [31] - The top ten stocks with net inflows from institutional special seats included Rongxin Culture, Kebo Da, and Te Yi Pharmaceutical [34] - The top ten stocks with net outflows from institutional special seats included Lanfeng Biochemical, Hezhu Intelligent, and Haima Automobile [34]

- The report does not contain any specific quantitative models or factors, so there are no details to summarize regarding model names, construction ideas, specific construction processes, or evaluations. - The report primarily focuses on market performance, market sentiment, capital flows, premium and discount rates, institutional attention, and leaderboard data. - Market performance: The report highlights the performance of various indices, including the Shanghai Composite Index, Shenzhen Composite Index, and different sector indices. For example, the Shanghai Composite Index fell by 0.26%, while the Shenzhen Composite Index rose by 0.36% on 2025-09-15[5][6]. - Market sentiment: The report provides data on the number of stocks that hit their daily price limits. On 2025-09-15, 82 stocks hit their upper price limit, and 13 stocks hit their lower price limit[11]. - Capital flows: The report discusses the balance of margin trading and short selling. As of 2025-09-15, the balance was 23,700 billion yuan, with a financing balance of 23,533 billion yuan and a short selling balance of 167 billion yuan[17]. - Premium and discount rates: The report mentions the premium and discount rates of ETFs. On 2025-09-12, the Innovation 100 ETF had the highest premium at 0.99%, while the Sci-Tech AI ETF had the highest discount at 1.56%[21][23]. - Institutional attention: The report lists stocks that have received significant attention from institutions. For example, Crystal Optoelectronics was surveyed by 122 institutions in the past week[28][30]. - Leaderboard data: The report provides data on the net inflows and outflows of institutional seats and Northbound funds. For instance, Cambridge Technology had the highest net inflow from institutional seats on 2025-09-15[34][36].

Core Insights - The total trading volume of non-monetary ETFs reached 203.06 billion yuan, with 50 ETFs exceeding 1 billion yuan in trading volume [1] - The top three ETFs by trading volume were Short-term Bond ETF, Policy Financial Bond ETF, and 30-Year Treasury Bond ETF, with volumes of 13.40 billion, 11.81 billion, and 7.70 billion yuan respectively [1] - The highest turnover rates were recorded by S&P Consumer ETF, S&P 500 ETF, and New Economy ETF, with rates of 723.92%, 502.64%, and 377.92% respectively [1][7] Trading Volume Summary - Short-term Bond ETF (511360.SH) had a trading volume of 13.40 billion yuan, with a recent average daily trading volume of 10.04 billion yuan over the last 5 days [2] - Policy Financial Bond ETF (511520.SH) recorded a trading volume of 11.81 billion yuan, with a recent average daily trading volume of 8.26 billion yuan over the last 20 days [2] - 30-Year Treasury Bond ETF (511090.SH) achieved a trading volume of 7.70 billion yuan, with a recent average daily trading volume of 9.23 billion yuan over the last 5 days [3] Turnover Rate Summary - S&P Consumer ETF (159529.SZ) had a turnover rate of 723.92%, indicating high trading activity [7] - S&P 500 ETF (159612.SZ) recorded a turnover rate of 502.64%, reflecting significant investor interest [7] - New Economy ETF (159822.SZ) had a turnover rate of 377.92%, showcasing its popularity among investors [7] ETF Performance Summary - Short-term Bond ETF's trading volume increased by 41.00% compared to the previous trading day, indicating a surge in interest [2] - Policy Financial Bond ETF's trading volume grew by 29.16% from the previous day, showing increased market activity [3] - S&P 500 ETF's trading volume rose by 57.88% compared to the previous trading day, reflecting strong demand [3] ETF Rankings by Trading Volume - The top five ETFs by trading volume included Short-term Bond ETF, Policy Financial Bond ETF, 30-Year Treasury Bond ETF, Credit Bond ETF, and Gold ETF, with volumes of 13.40 billion, 11.81 billion, 7.70 billion, 6.75 billion, and 6.14 billion yuan respectively [4] - The rankings indicate a strong preference for bond-related ETFs among investors [4] ETF Rankings by Turnover Rate - The top three ETFs by turnover rate were S&P Consumer ETF, S&P 500 ETF, and New Economy ETF, with rates of 723.92%, 502.64%, and 377.92% respectively [7] - This highlights the active trading environment for these ETFs, particularly in the consumer and technology sectors [7]