资金行为研究双周报：军工行情底线牢固，传媒或迎布局良机-20260109

Market Overview - Institutional funds show fluctuating behavior, with a reduction in outflow momentum in the Sci-Tech Innovation Board. Although there is a phase of outflow, the net outflow slope for the Sci-Tech Innovation Board is gentler compared to the ChiNext and the entire A-share market. Retail investor inflows remain relatively stable, with significant net inflows into the ChiNext compared to the Sci-Tech Innovation Board [5][9][10] Market Capitalization and Valuation Style - The small-cap style represented by the CSI 2000 has seen synchronized net inflows from both institutional and retail investors, with institutional inflows being more stable. In contrast, institutional funds have continued to experience slight outflows from high-valuation styles, while retail investors have significantly increased their inflows into these high-valuation stocks [9][10][15] Major Industry Style - Institutional funds have shown repeated behavior, with cyclical manufacturing becoming a structural highlight. As of December 26, institutional funds were in a sustained net inflow into cyclical manufacturing, only turning to net outflow on December 30, indicating its relative resilience. Retail investors have also shown consistent net inflows into cyclical manufacturing, further highlighting its short-term structural appeal [15][19] Primary Industry Fund Flow Upstream Resources - Among upstream resources, non-ferrous metals remain a key focus for speculation, with coal receiving cumulative net inflows from both institutional and retail investors. Institutional funds have shown fluctuating behavior towards basic chemicals and non-ferrous metals, with a brief recovery after December 31 before continuing to flow out [23][24] Midstream Materials & Manufacturing - Institutional funds have shown a net inflow trend in midstream manufacturing, resonating with retail investor behavior. The net inflow rate for institutional funds in the defense and military sector is currently greater than that of retail investors, indicating strong institutional support for the military sector in the short term [27][28] Downstream Essential Consumption - In the downstream essential consumption sector, biopharmaceuticals are the focal point for fund allocation. Institutional funds saw a significant inflow on January 5, followed by a short-term outflow, before turning back to inflows after January 7. The net inflow rate for biopharmaceuticals is approaching zero, indicating increasing consensus between institutional and retail investors [31][32] Downstream Discretionary Consumption - In the downstream discretionary consumption sector, both institutional and retail funds have shown continuous net inflows into light industry manufacturing, with institutional investors enhancing their allocation in this area. The net inflow rate for light industry manufacturing is currently in negative territory, indicating strong institutional support [44][45] TMT Sector - In the TMT sector, institutional investment in the media sector has increased, while funds in the electronics and communications sectors have shown significant volatility. Institutional funds significantly increased their allocation to media around December 31, indicating stronger buying power compared to retail investors [48][49] Financial Sector - In the financial sector, both institutional and retail funds have shown net inflows into banks, while the non-bank financial sector has experienced significant volatility. Institutional funds increased their allocation to banks on January 5, but the net outflow from non-bank financials has accelerated [55][56] Support Services - In the support services sector, both institutional and retail funds have accumulated net inflows into comprehensive and public utilities. The latest values for the net inflow rate indicate that retail investor buying power remains stronger than that of institutional investors [66][67] Leverage Fund Overview - The margin financing balance has reached a new high, with the average market guarantee ratio continuing to rise. As of January 7, the margin financing balance was approximately 2.6 trillion yuan, with liquidity remaining ample. The average guarantee ratio is at 286.52%, indicating a tight leverage structure in the short term [69][70]