Group 1 - The overall performance of ETFs showed mixed results, with the Brand Consumption ETF (517880) leading gains at 3.82% [1] - The Chip 50 ETF (159560) increased by 2.81%, while the Financial Technology ETF (159851) rose by 0.92% [1] - On the downside, the Oil and Gas ETF (561760) experienced a significant drop of 9.0%, followed by the Rare Earth ETF (159715) which fell by 2.0%, and the Guozheng 2000 ETF Fund (159543) decreased by 1.61% [1]

The provided content does not contain any specific quantitative models or factors, nor does it include their construction processes, formulas, evaluations, or backtesting results. The documents primarily focus on market performance, sector and concept index movements, market sentiment, capital flows, ETF premiums/discounts, block trading discounts, and institutional activities. These are descriptive analyses and statistics rather than detailed quantitative models or factor-based methodologies.