30年国债ETF博时(511130)规模站稳200亿元大关，近5日资金净流入超10亿元，机构：央行或重启国债买卖

Group 1 - The 30-year government bond ETF from Bosera (511130) has seen a decline of 0.62% as of September 5, 2025, with the latest price at 108.84 yuan, while it has increased by 0.93% over the past week as of September 4, 2025 [2] - The Ministry of Finance plans to issue 45 billion yuan in electronic savings bonds from September 10 to September 19, 2025, with a 3-year bond offering a coupon rate of 1.63% and a 5-year bond at 1.7%, each with a maximum issuance of 22.5 billion yuan [2] - The latest scale of the 30-year government bond ETF from Bosera is 20.202 billion yuan, with a recent net outflow of 1.46 billion yuan, although there has been a net inflow of 10.32 billion yuan over the last five trading days [2] Group 2 - The 30-year government bond ETF closely tracks the Shanghai Stock Exchange 30-year government bond index, which includes bonds that meet the deliverable conditions of the near-month contract for 30-year government bond futures [3] - The top ten weighted bonds in the index as of August 29, 2025, include various special and附息国债, collectively accounting for 100% of the index [3] - The risk level of the fund is rated as medium-low, indicating that it differs from fixed-income financial instruments like bank savings and bonds [3]