中证1000、中证2000率先创出新高

• The market saw a significant rise with the CSI 1000 and CSI 2000 indices reaching new highs, and the CSI 500 index also nearing a new high[1][8] - The A-share prosperity index was observed to be 18.79 as of February 27, 2026, indicating an upward trend compared to the end of 2023[2][36] - The A-share sentiment index signals were observed to be empty for both bottom and top signals, leading to an overall empty signal[2][44] - The CSI 500 enhanced portfolio underperformed the benchmark by 1.22% this week, while the CSI 300 enhanced portfolio outperformed the benchmark by 0.22%[2][52][57] - Momentum factors showed higher excess returns, while size and residual volatility factors showed significant negative excess returns[2][62] - High profitability stocks performed well recently, while size and residual volatility factors performed poorly[2][62] - The A-share sentiment index was constructed by dividing the market into four quadrants based on volatility and trading volume changes, with only the quadrant of rising volatility and falling trading volume showing significant negative returns[2][38] - The CSI 500 enhanced portfolio achieved a return of 3.10% this week, underperforming the benchmark by 1.22%, with an excess return of 45.79% relative to the CSI 500 index since 2020 and a maximum drawdown of -10.19%[2][52] - The CSI 300 enhanced portfolio achieved a return of 1.30% this week, outperforming the benchmark by 0.22%, with an excess return of 46.24% relative to the CSI 300 index since 2020 and a maximum drawdown of -5.86%[2][57] - The market style analysis was conducted using the BARRA factor model, constructing ten categories of style factors including size, beta, momentum, residual volatility, non-linear size, valuation, liquidity, earnings yield, growth, and leverage[2][61] - The recent market style performance showed that liquidity factors were positively correlated with beta, momentum, and residual volatility, while value factors were negatively correlated with beta, residual volatility, and liquidity[2][62] - The performance attribution of major indices showed that the CSI 500, ChiNext, and Wind All A indices had significant exposure to liquidity factors, while the SSE Composite Index and SSE 50 had less exposure to liquidity factors and performed poorly in style factors this week[2][71]