长端利率曲线陡峭化加速！30年国债ETF博时(511130)价差拉大，机构逢低布局债市反攻

Market Performance - The Shanghai Composite Index broke through the 3800-point mark in the afternoon, with an increase of 0.8%, while the Sci-Tech Innovation 50 surged by 5.25%, reaching a nearly three-and-a-half-year high [1] - The ChiNext Index also saw a significant rise of 2.56%, with the semiconductor industry chain experiencing explosive growth, highlighted by Cambrian's 18% increase to a new high [1] Economic Indicators - Recent data from the National Bureau of Statistics indicates that while key economic indicators such as retail sales, fixed asset investment, and industrial value-added growth rates have slowed compared to June, there are still positive aspects within the economic structure [2] - The macro policy direction emphasizes "sustained efforts and timely support," with various ministries, including the National Development and Reform Commission, Ministry of Finance, and People's Bank of China, intensifying economic work for the second half of the year [2] Monetary Policy - On August 21, the central bank conducted a 7-day reverse repurchase operation with a fixed rate, injecting 253 billion yuan at an interest rate of 1.40%, with the same amount being bid and awarded [2] - Wind data shows that 128.7 billion yuan in reverse repos matured on the same day, resulting in a net injection of 124.3 billion yuan [3] Bond Market - The bond futures market on August 21 exhibited characteristics of "strong long-end and stable short-end," with significant gains in the 30-year contract [4] - The price spread between near-term and long-term contracts is widening, indicating an increased market expectation for a decline in long-term interest rates [4] - The 30-year bond ETF, launched in March 2024, is one of only two on-market ultra-long-term bond ETFs, tracking the "Shanghai 30-Year Treasury Index," which reflects the overall performance of corresponding maturity government bonds [4]