央行购债预期升温！30年国债ETF博时(511130)单日飙52个基点，机构：1.8%利率是政策发令枪

Group 1 - A-shares continue to perform strongly with a half-day trading volume exceeding 2 trillion yuan, an increase of 571.3 billion yuan compared to the previous day, with the Shanghai Composite Index up 0.86% and the ChiNext Index up 2.22%, reaching a three-year high [1] - There is a strong willingness for incremental capital to enter the market, driven by substantial household savings waiting to be invested and a margin financing balance remaining above 2 trillion yuan; additionally, foreign capital has begun to flow into A-shares for the first time since October of last year [1] - The bond futures market has seen significant increases, with the 30-year main contract rising by 0.8%, currently at 116.830 points, and the 10-year and 5-year contracts also showing gains [1] Group 2 - Since 2010, only fundamentally driven stock bull markets have led to bear markets in bonds, while fund-driven bull markets have not; the major stock bull markets since 2010 include a fund-driven bull market from Q4 2014 to Q1 2015, and a recovery-driven bull market in 2017 and 2020 [2] - The current stock market rally is expected to influence bond market investor expectations, but the bond market's performance will ultimately depend on economic fundamentals, with a potential decoupling from stock market trends [2] - The bond market's largest allocation force, bank proprietary investments, has seen a significant increase, with bank holdings of bonds reaching 99 trillion yuan, accounting for 52% of the total bond market [3] Group 3 - Economic downward pressure may increase in the second half of the year, with consumer subsidies potentially overstretching demand in the home appliance sector and investment growth declining significantly [4] - The central bank may consider restarting government bond purchases to stabilize issuance costs and prevent risks in the bond market, especially as government bond yields have recently risen [4] - Banks are expected to increase their bond allocations due to declining funding costs and weak credit demand, with the overall cost of interest-bearing liabilities for A-share listed banks projected to drop below 1.7% in Q4 2025 [5] Group 4 - The 30-year government bond ETF, launched in March 2024, is one of only two long-duration bond ETFs in the market, tracking the Shanghai Stock Exchange 30-year government bond index, which reflects the overall performance of corresponding maturity government bonds [6]