债券ETF跟踪：长短端分化，信用债类ETF持续流出

1. Report Industry Investment Rating - Not provided in the content 2. Core View of the Report - The report tracks bond ETFs, showing that there is a differentiation between short - and long - end bonds, and credit - bond ETFs continue to experience outflows. It also presents data on the net inflows and outflows, net value performance, and duration of different types of bond ETFs [1][4] 3. Summary by Relevant Catalogs 3.1 Fund Flows - As of March 13, 2026, bond - type ETFs had a total net outflow of 11.575 billion yuan in the past week. Interest - rate, credit, and convertible - bond ETFs had net outflows of 3.67 billion yuan, 5.141 billion yuan, and 2.764 billion yuan respectively. In credit - type ETFs, short - term financing, corporate bonds, and urban investment bonds had net inflows of 2.212 billion yuan, 0.199 billion yuan, and 0.721 billion yuan respectively, while market - making credit bonds and science - innovation bonds had net outflows of 3.206 billion yuan and 5.066 billion yuan respectively. Since 2025, interest - rate, credit, and convertible - bond ETFs have had cumulative net inflows of 52.486 billion yuan, 464.916 billion yuan, and 34.751 billion yuan respectively, with a total of 552.152 billion yuan [4] 3.2 Net Value Performance - Throughout the week, the net value trends of various types of bond ETF products were differentiated. As of March 13, 2026, the 30 - year Treasury bond ETF performed weakly, falling 1.49% for the week, while the China Development Bank bond ETF and the China Development ETF rose 0.05% and 0.04% respectively. The convertible - bond ETF and the Shanghai Stock Exchange convertible - bond ETF fell 1.09% and 1.13% respectively last week [5] 3.3 Performance of Credit - Bond ETFs and Science - Innovation Bond ETFs - As of March 13, 2026, the median unit net values of credit - bond ETFs and science - innovation bond ETFs were 1.0178 and 1.0054 respectively. The credit - bond ETFs remained flat for the week, while the science - innovation bond ETFs fell 0.01%. Among credit - bond ETFs, GF Credit - Bond ETF performed relatively well, rising 0.01% for the week. Among science - innovation bond ETFs, Invesco Science - Innovation Bond ETF and Yongying Science - Innovation Bond ETF performed relatively well. As of March 13, 2026, the median discount rate of credit - bond ETFs was 9 basis points, and that of science - innovation bond ETFs was 11 basis points [6] 3.4 Duration Tracking of Credit - Type ETFs - As of March 13, 2026, the holding durations of short - term financing ETFs, corporate - bond ETFs, and urban - investment - bond ETFs were 0.30 years, 1.99 years, and 2.02 years respectively. Among market - making credit - bond ETFs, the median holding durations of products tracking the Shanghai Market - Making Corporate Bond Index and the Shenzhen Market - Making Corporate Bond Index were 3.40 years and 2.81 years respectively. Among science - innovation bond ETFs, the median holding durations of products tracking the AAA Science - Innovation Bond Index, the Shanghai AAA Science - Innovation Bond Index, and the Shenzhen AAA Science - Innovation Bond Index were 3.24 years, 3.23 years, and 3.12 years respectively [9] 3.5 Report Summary - Last week, the ChinaBond New Composite Index fell 0.08% for the week. Short - term pure - bond and medium - and long - term pure - bond funds rose 0.03% and fell 0.01% respectively. The ChinaBond AAA Science - Innovation Bond Index and the Shanghai Stock Exchange Benchmark Market - Making Corporate Bond Index rose 0.02% and 0.03% respectively [8]