中银量化大类资产跟踪：贵金属与中小微风格权益持续领涨

• The report does not contain any specific quantitative models or factors for analysis[1][2][3] - The report primarily focuses on market performance, valuation metrics, style indices, and fund flows without detailing quantitative model construction or factor definitions[1][2][3] - No formulas or detailed construction processes for models or factors are provided in the report[1][2][3]