债券ETF发行规模暴涨，科创债ETF一年发行超665亿份，机构投资人成购买主力

Core Insights - The bond market is experiencing a new wave of issuance, with credit bond ETFs seeing significant growth, reaching over 590 billion yuan by December 2025, primarily driven by the contribution of technology innovation bond ETFs [2][3] - The ETF market has seen a record issuance of 351 products in 2025, with a total issuance volume of 2,554.55 million units, surpassing the total issuance of the previous two years [2][3] Group 1: ETF Market Growth - The ETF market is benefiting from policy support, expedited approval processes, and the popularity of index-based investment strategies, leading to a dual increase in issuance scale and product quantity in 2025 [3] - The bond ETF segment has shown remarkable performance, with 32 new bond ETFs launched in 2025, achieving an issuance volume of 914.83 million units, exceeding historical totals [4][5] - The total scale of bond ETFs has grown sevenfold in less than two years, with significant milestones reached throughout 2025, including crossing the 7,000 billion yuan mark by October [5] Group 2: Credit Bond ETFs - The number of credit bond ETFs has expanded from 3 to 35 in 2025, with the scale increasing from approximately 54 billion yuan at the end of the previous year to over 10 times that amount [6] - The recent surge in credit bond ETFs has been marked by a significant inflow of funds, with over 900 billion yuan added in December alone, indicating strong market interest [7] - The trading activity of technology innovation bond ETFs has been particularly high, with average turnover rates exceeding 60% in December [7] Group 3: Investor Demand and Trends - Institutional investors, particularly pension and wealth management institutions, are major buyers of technology innovation bond ETFs, reflecting a strong demand for these products [8] - The issuance of ETFs with "technology" in their names has been notable, with 47 such products launched in 2025, accounting for 13.39% of total issuance [8] - The market is expected to see continued expansion of technology innovation bond ETFs, driven by favorable policies and the growing importance of sectors like AI and semiconductors [8][11]