30年国债ETF博时(511130)早盘飘红，机构：利率中枢倾向于下行，关注大行买债背后隐含的央行操作节奏

Group 1 - The trading volume in the Shanghai, Shenzhen, and Beijing markets has exceeded 500 billion, with an estimated total trading amount of approximately 1.1 trillion for the day [1] - The bond futures market is mostly flat, with the 30-year main contract up by 0.13%, while the 10-year, 5-year, and 2-year main contracts remain flat [1] - The 30-year government bond ETF from Bosera (511130) opened high but fluctuated downwards during the day, increasing by 4 basis points with a turnover rate exceeding 12% and a trading volume close to 1 billion [1] Group 2 - There is an expectation of a second interest rate cut this year, with rates likely to fluctuate downwards before the cut, suggesting a strategy of increasing bond allocation during rate hikes [2] - The Bosera 30-year government bond ETF (511130) was established in March 2024 and is one of only two on-market ultra-long-term bond ETFs, tracking the "Shanghai Stock Exchange 30-Year Government Bond Index" [2] - The index reflects the overall performance of 30-year government bonds listed on the Shanghai Stock Exchange, with a duration of approximately 21 years, making it highly sensitive to interest rate changes [2]