机构：债券ETF仍有广阔的发展空间，30年国债ETF(511090)成交额已超29亿元，连续4天净流入

Group 1 - The 30-year Treasury ETF (511090) has seen a recent decline of 0.26%, with the latest price at 122.78 yuan and a trading volume exceeding 2.9 billion yuan [1] - The ETF's scale has reached 17.641 billion yuan, marking a new high for the past month, while the number of shares has reached 14.3 million, also a new monthly high [1] - Over the past four days, the ETF has experienced continuous net inflows, with a peak single-day net inflow of 1.075 billion yuan, totaling 1.738 billion yuan and an average daily net inflow of 434 million yuan [1] Group 2 - Huatai Securities anticipates significant growth potential for bond ETFs, driven by regulatory support, focus from fund companies, and increased investor acceptance [2] - Compared to developed countries, China's bond ETF market still has room for improvement in investor types, product diversity, investment strategies, market-making mechanisms, and regulatory support [2] - The 30-year Treasury ETF closely tracks the China Bond 30-Year Treasury Index, which consists of publicly issued 30-year treasury bonds [2] Group 3 - The 30-year Treasury ETF is considered a valuable tool for portfolio management, offering low trading thresholds and high trading efficiency [3] - Individual investors can directly purchase the ETF with a minimum transaction unit of 100 shares, approximately 10,000 yuan [3] - Multiple market makers provide liquidity, ensuring immediate transaction execution and ample market depth [3]