【金融工程】市场波动降低，小盘隐忧缓解——市场环境因子跟踪周报（2025.06.11）

Key Points - The article emphasizes a cautious approach in the short term, focusing on defensive sectors such as banks due to ongoing tariff negotiations and rising economic downward pressure [2][4] - It suggests that while small-cap growth stocks are currently favored, the overall market volatility is increasing, indicating potential risks if a turning point occurs [2][4] - The report highlights a decrease in the dispersion of excess returns among industry indices, with a slight decline in the proportion of rising constituent stocks and an increase in industry rotation speed [6][7] Market Overview - The market structure shows a stable concentration in the top 100 stocks, while the transaction share of the top five industries has slightly decreased [6][7] - Market activity has decreased, with a notable drop in the turnover rate of the Shanghai Stock Exchange 50 index, reaching its lowest level in nearly a year [6][7] Commodity Market Insights - In the commodity market, the strength of trends in precious metals and non-ferrous sectors has significantly increased, while energy and black metal sectors continue their trend [18][20] - The basis differential momentum for black and precious metals has rapidly increased, whereas it has decreased for energy and non-ferrous sectors [18][20] Options Market Analysis - The implied volatility levels for the Shanghai Stock Exchange 50 and the CSI 1000 show no significant trend, with the latter at historically low levels [23] - The skewness of the CSI 1000 put options has decreased, indicating a reduction in market concerns regarding small-cap stocks [23] Convertible Bond Market Overview - The convertible bond market remains stable in terms of valuation, with the premium rate for bonds convertible at 100 yuan and the pure debt premium rate showing steady trends [26] - The market turnover has improved, surpassing historical median levels, while credit spreads remain consistent with previous values [26]