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 analysis, ETF premiums/discounts, institutional activities, and other market-related data. There are no references to quantitative models or factors in the context of financial engineering or quantitative investment strategies.

The provided content does not include any quantitative models or factors, nor their construction, evaluation, or backtesting results. The documents primarily focus on market performance, sentiment, capital flows, ETF premiums/discounts, block trades, and institutional activity. No quantitative models or factors are discussed or analyzed.