30年国债ETF博时(511130)连续4天净流入，合计“吸金”超20亿元，最新规模再创新高

Core Viewpoint - The 30-year government bond ETF from Bosera has shown a significant performance with a recent price of 108.18 yuan, reflecting a 6.87% increase over the past year, indicating strong market activity and investor interest [3]. Group 1: Market Performance - As of August 21, 2025, the 30-year government bond ETF has achieved a net value increase of 6.99% over the past year, ranking 12th out of 421 index bond funds, placing it in the top 2.85% [5]. - The ETF's latest scale reached 17.695 billion yuan, marking a new high in nearly a year [4]. - The ETF has seen a continuous net inflow of funds over the past four days, with a peak single-day net inflow of 1.504 billion yuan, totaling 2.086 billion yuan in net inflows [4]. Group 2: Fund Characteristics - The ETF has a management fee rate of 0.15% and a custody fee rate of 0.05% [5]. - The tracking error for the ETF over the past three months is 0.053%, indicating a close alignment with the underlying index [5]. - The ETF closely tracks the Shanghai Stock Exchange 30-year government bond index, which reflects the overall performance of government bonds with a 30-year maturity [5]. Group 3: Economic Context - The bond market is expected to decouple slowly from the stock market, driven by economic fundamentals, with several supportive factors including continued monetary easing and low funding rates [4]. - The new policy financial tools being introduced have a funding scale of 500 billion yuan, focusing on emerging industries and infrastructure, which may further influence the bond market [3].