债市专题研究：如何看待债券ETF持续扩容？

1. Report Industry Investment Rating The document does not provide the industry investment rating. 2. Core Viewpoints of the Report - The report details the development of domestic bond ETFs, liquidity analysis of bond - making varieties in the Shanghai and Shenzhen stock exchanges, and the investment application of bond ETFs [1]. - The scale of bond ETFs has expanded rapidly in the past year, exceeding 40 billion yuan for the first time. As of July 15, 2025, bond ETFs are mainly divided into interest - rate bond ETFs, credit - bond ETFs, and convertible - bond ETFs [1][11]. - Since July 10, 2025, 10 science - innovation bond ETFs have been established. The share of ETFs linked to the CSI Convertible Bond and Exchangeable Bond Index has increased the most, and the trading volume of CSI short - term financing - related ETFs has been the most active [2][17]. - Bond ETFs have asset - allocation and trading attributes. Their trading is more flexible, efficient, and leveraged, with high information transparency. The main strategies include primary - secondary market price arbitrage, intraday T + 0 trading, and pledge - repurchase leveraging [3]. 3. Summary by Relevant Catalogs 3.1 What are Bond ETFs? - Domestic Bond ETF Overview: In the past year, the scale of domestic bond ETFs has developed significantly, exceeding 40 billion yuan, but the variety is still single. As of July 15, 2025, there are 16 interest - rate bond ETFs, and 15 bond ETFs have a scale of over 1 billion yuan. The top five in scale are Fuguo Policy Financial Bond ETF, Haifutong Short - term Financing ETF, Boshi Convertible Bond ETF, E Fund Company Bond ETF, and Southern Shanghai Stock Exchange Company Bond ETF. Since July 10, 2025, 10 science - innovation bond ETFs have been established [11][15][16]. - Recent Performance Tracking of Bond ETFs: In terms of share changes, the share of ETFs linked to the CSI Convertible Bond and Exchangeable Bond Index has increased the most. In terms of share change rate, the share of ETFs with the Shanghai 30 - year Treasury Bond Index as the underlying index has increased by about 15 million shares (+21.74%). In terms of trading activity, CSI short - term financing - related ETFs have the most active trading volume [17]. 3.2 Exchange Bond Liquidity Analysis - Overall, the trading volume and liquidity of bonds on the Shanghai Stock Exchange are better than those on the Shenzhen Stock Exchange [19]. - Shanghai Stock Exchange Interest - Rate Bond Market - Making Varieties: In the past month, among the interest - rate bond market - making varieties on the Shanghai Stock Exchange, those maturing within 3 years have the most active trading volume, followed by those maturing within 3 - 5 years. The liquidity is negatively correlated with the standard term [20]. - Shanghai Stock Exchange Credit - Bond Market - Making Varieties: Among the credit - bond market - making varieties on the Shanghai Stock Exchange in the past month, those maturing over 10 years have the most active liquidity, followed by those maturing within 3 years [22]. - Shenzhen Stock Exchange Interest - Rate Bond Market - Making Varieties: Among the interest - rate bond market - making varieties on the Shenzhen Stock Exchange in the past month, the average trading volume of varieties maturing within 3 years is the highest, followed by those maturing over 10 years [23]. - Shenzhen Stock Exchange Credit - Bond Market - Making Varieties: Among all the credit - bond market - making varieties on the Shenzhen Stock Exchange in the past month, the varieties maturing within 3 - 5 years have the highest turnover rate, followed by those maturing over 10 years [24]. 3.3 Investment Application of Bond ETFs - Bond ETFs have the functions of asset allocation and trend trading. Compared with ordinary over - the - counter bond index funds, they have additional investment strategies [25]. - Investment Strategies: Asset allocation (holding strategy), trend (band operation), arbitrage strategy (discount - premium), arbitrage (spot - futures arbitrage), dividend strategy, event - driven strategy, intraday T + 0 strategy, and leverage strategy [27]. - Advantages: Primary - secondary market price arbitrage, intraday T + 0 trading, and the ability to use pledge - repurchase to add leverage [28].