资金行为研究双周报：地缘催化下资金择向防御，中游制造成多头核心-20260313

Market Overview - The market shows a trend of simultaneous reduction in positions by both institutional and retail investors in the Sci-Tech Innovation Index, with a noticeable convergence in the outflow speed of institutional funds from the ChiNext Index and the entire A-share market since March 4 [6][7] - Institutional funds exhibited strong outflow momentum before March 4, which weakened afterward, indicating a volatile outflow pattern [6][7] - Retail investors displayed a gradual outflow from the Sci-Tech Innovation Index, maintaining a wait-and-see attitude [6][7] Fund Flow by Market Capitalization and Valuation Style - Institutional funds accelerated their outflow from high-valuation indices, while retail funds continued to flow into these indices, indicating a lack of style preference switch [16][17] - The divergence in net inflow rates between retail and institutional investors remains positive across various style indices, suggesting a more cautious approach from institutional investors [16][17] Fund Flow by Major Industry Style - Institutional funds are slowly returning to the cyclical manufacturing sector, with a shift from outflow to slow inflow observed after March 4 [22][23] - The market displays significant volatility in fund inflow acceleration for both technology and cyclical manufacturing sectors, reflecting strong market competition [22][23] Fund Flow by Primary Industry Upstream Resources - Institutional funds are experiencing significant outflows from non-ferrous metals, while the outflow from basic chemicals is stabilizing [28][29] - Retail funds are heavily flowing into non-ferrous metals, indicating a strong speculative interest [28][29] Midstream Materials & Manufacturing - The electric power equipment sector has seen cumulative net inflows from institutional funds, while defense and machinery sectors are experiencing fluctuating outflows [30][31] - Retail buying power has shown a phase of increase, with net inflow rates indicating stronger retail interest compared to institutional [30][31] Downstream Essential Consumption - Institutional funds have shown a slight net inflow into agriculture, forestry, animal husbandry, and fishery, while other sectors lack significant buying momentum [34][35] Downstream Discretionary Consumption - There is no significant inflow momentum from institutional funds in this sector, with notable outflows particularly in household appliances [37] TMT Sector - The TMT sector is characterized by strong small-order buying power, while institutional funds are showing fluctuating outflows in communication and electronics [40][41] Large Financials - Retail investors are favoring banks for defensive positioning, with significant net inflows, while institutional funds continue to show outflows in non-bank financials [48][49] Support Services - The public utilities sector is a trading hotspot, with institutional funds showing alternating net inflows and outflows, indicating significant volatility [54][55] Leverage Fund Situation - The growth rate of margin financing and securities lending balances has slowed, with the market average guarantee ratio showing adjustments, indicating manageable leverage risks [60][61] - As of March 12, the total margin financing and securities lending balance is approximately 2.66 trillion yuan, maintaining ample liquidity [60][61] - The overall trading activity in margin financing has declined, with the proportion of margin trading transactions decreasing to 9.67% [61][62]