金工ETF点评：宽基ETF单日净流入48.14亿元；集成电路、东南亚科技、医疗ETF可关注

• Industry crowding monitoring model is constructed to monitor the crowding level of Shenwan first-level industry indices daily[3] - The Z-score model is used to build ETF product screening signal models, providing potential arbitrage opportunities and warning of potential pullback risks[4] Model Backtesting Results - Industry crowding monitoring model, steel, environmental protection, and mechanical equipment have high crowding levels, while food and beverage, real estate, and building materials have low crowding levels[3] - Z-score model, ETF products with potential arbitrage opportunities include integrated circuit ETF, Southeast Asia technology ETF, and medical ETF[12] ETF Product Daily Net Inflow/Outflow - Broad-based ETF: A500 Index ETF (+7.91 billion yuan), CSI 1000 ETF (+7.10 billion yuan), A500 Index ETF (+7.02 billion yuan)[6] - Industry theme ETF: Securities ETF (+3.69 billion yuan), Brokerage ETF (+2.34 billion yuan), Robot ETF (+2.06 billion yuan)[6] - Style strategy ETF: Free cash flow ETF (+1.13 billion yuan), Dividend low volatility ETF (+0.90 billion yuan), Dividend low volatility 50 ETF (+0.90 billion yuan)[6] - Cross-border ETF: Hong Kong Stock Connect Internet ETF (+11.93 billion yuan), Hong Kong Stock Connect Technology 30 ETF (+5.95 billion yuan), Hang Seng Technology ETF (+1.45 billion yuan)[6] ETF Product Daily Net Outflow - Broad-based ETF: A500 ETF Fund (-3.38 billion yuan), CSI 500 ETF (-2.84 billion yuan), CSI 300 ETF Huaxia (-1.66 billion yuan)[6] - Industry theme ETF: Bank ETF Long (-2.67 billion yuan), Chemical ETF (-0.71 billion yuan), Semiconductor Equipment ETF (-0.59 billion yuan)[6] - Style strategy ETF: Dividend ETF Fund (-1.68 billion yuan), Dividend ETF E Fund (-0.30 billion yuan), Dividend low volatility ETF Xinhua (-0.19 billion yuan)[6] - Cross-border ETF: Hang Seng Medical ETF (-2.10 billion yuan), Dividend ETF Hong Kong stocks (-1.39 billion yuan), Hong Kong Stock Connect Innovative Drug ETF (-0.87 billion yuan)[6]