机构：债市呈现结构性机会，30年国债ETF博时(511130)连续6天净流入

Core Viewpoint - The recent decline in government bond futures and the drop in deposit rates signal a new phase in China's interest rate marketization, presenting both opportunities and risks for the bond market [3][4]. Group 1: Market Performance - As of May 29, 2025, government bond futures collectively fell, with the 30-year main contract down 0.58%, the 10-year down 0.25%, the 5-year down 0.16%, and the 2-year down 0.05% [3]. - The 30-year government bond ETF (博时) saw a decrease of 0.57%, with the latest price at 110.86 yuan, indicating active market trading with a turnover of 17.94% and a transaction volume of 1.288 billion yuan [3]. - The 30-year government bond ETF has reached a new high in size at 7.197 billion yuan and a new high in shares at 64.6597 million [4]. Group 2: Fund Flows and Performance - The 30-year government bond ETF has experienced continuous net inflows over the past six days, with a maximum single-day net inflow of 202 million yuan, totaling 503 million yuan, averaging 83.7532 million yuan per day [4]. - The ETF's net value increased by 14.13% over the past year, ranking 3rd out of 378 in the index bond fund category, placing it in the top 0.79% [4]. - The ETF has a maximum monthly return of 5.35% since inception, with the longest consecutive monthly gains being four months and the longest gain percentage at 10.58% [4]. Group 3: Risk and Fees - The 30-year government bond ETF has a Sharpe ratio of 1.02 for the past year, indicating a favorable risk-adjusted return [5]. - The maximum drawdown since inception is 6.89%, with a relative benchmark drawdown of 1.28% [5]. - The management fee for the ETF is 0.15%, and the custody fee is 0.05%, contributing to its overall cost structure [5].