基金量化观察：基准做市信用债ETF集中发行，债券ETF迎来扩容

• The report tracks the performance of enhanced index funds, highlighting that in the CSI 500 Enhanced Index Fund category, Southern CSI 500 Enhanced A achieved the highest weekly excess return of 2.57%[5][40][35] - In the CSI 1000 Enhanced Index Fund category, Shenwan Lingxin CSI 1000 Enhanced A delivered a weekly excess return of 1.71%, while in the CSI 2000 Enhanced Index Fund category, China Merchants CSI 2000 Enhanced A led with a weekly excess return of 1.79%[5][40][35] - Over the past year, the best-performing fund in the CSI 1000 Enhanced Index Fund category was Bank of China CSI 1000 Enhanced A, with an excess return of 16.78%[36] - In the CSI 500 Enhanced Index Fund category, Changxin CSI 500 Enhanced A achieved the highest one-year excess return of 8.50%, while in the CSI 2000 Enhanced Index Fund category, Huitianfu CSI 2000 Enhanced A led with a one-year excess return of 10.51%[36]