金融工程日报：指缩量微涨，商业航天表现强势、医药商业反复活跃-20251218

• The report discusses the market performance of various indices, highlighting that the SSE 50 Index performed well with a 0.23% increase, while the CSI 300 Index fell by 0.59%[6] - The report also notes that the SSE Composite Index performed well among sector indices, with a 0.16% increase, while the SZSE Composite Index fell by 0.70%[6] - The report provides details on the performance of industry indices, noting that the coal, banking, and petrochemical industries performed well with returns of 2.03%, 2.00%, and 1.31% respectively[7] - The report highlights the performance of various thematic concepts, with SPD, parachute, and PVC flooring concepts performing well with returns of 6.76%, 3.81%, and 3.51% respectively[10] - The report provides data on market sentiment, noting that 71 stocks hit the daily limit up and 8 stocks hit the daily limit down at the close of trading on December 18, 2025[14] - The report includes information on market capital flows, noting that the margin trading balance was 2.5 trillion yuan as of December 17, 2025, with a financing balance of 2.4859 trillion yuan and a securities lending balance of 170 billion yuan[20] - The report discusses the premium and discount rates of ETFs, noting that the cash flow ETF Yongying had the highest premium of 0.90%, while the materials ETF had the highest discount of 0.84% on December 17, 2025[24] - The report provides data on block trading, noting that the average daily transaction amount of block trades over the past six months was 2.1 billion yuan, with a discount rate of 6.64%, and the transaction amount on December 17, 2025, was 2.2 billion yuan with a discount rate of 7.59%[27] - The report includes information on the annualized discount rates of stock index futures, noting that the annualized discount rate of the SSE 50 stock index futures main contract was 29.32% on December 18, 2025, which was at the 1% percentile over the past year[29] - The report provides data on institutional attention and the Dragon and Tiger List, noting that Changan Automobile was the most researched stock by institutions in the past week, with 214 institutions conducting research[31] - The report includes data on the net inflow and outflow of institutional seats on the Dragon and Tiger List, noting that the top ten stocks with the highest net inflow of institutional seats on December 18, 2025, were Xue Ren Group, Tongyu Communications, Zhejiang Shibao, Bona Film Group, Deyi Wenhua, Aerospace Huanyu, Meinian Health, Sanyangma, Haixia Innovation, and Huaren Health[37] - SSE 50 Index, performance: +0.23%[6] - CSI 300 Index, performance: -0.59%[6] - SSE Composite Index, performance: +0.16%[6] - SZSE Composite Index, performance: -0.70%[6] - Coal industry, performance: +2.03%[7] - Banking industry, performance: +2.00%[7] - Petrochemical industry, performance: +1.31%[7] - SPD concept, performance: +6.76%[10] - Parachute concept, performance: +3.81%[10] - PVC flooring concept, performance: +3.51%[10] - Number of stocks hitting daily limit up: 71[14] - Number of stocks hitting daily limit down: 8[14] - Margin trading balance: 2.5 trillion yuan[20] - Financing balance: 2.4859 trillion yuan[20] - Securities lending balance: 170 billion yuan[20] - Cash flow ETF Yongying, premium: 0.90%[24] - Materials ETF, discount: 0.84%[24] - Average daily transaction amount of block trades: 2.1 billion yuan[27] - Discount rate of block trades: 6.64%[27] - Transaction amount on December 17, 2025: 2.2 billion yuan[27] - Discount rate on December 17, 2025: 7.59%[27] - Annualized discount rate of SSE 50 stock index futures main contract: 29.32%[29] - Changan Automobile, number of institutions conducting research: 214[31] - Top ten stocks with highest net inflow of institutional seats: Xue Ren Group, Tongyu Communications, Zhejiang Shibao, Bona Film Group, Deyi Wenhua, Aerospace Huanyu, Meinian Health, Sanyangma, Haixia Innovation, Huaren Health[37]