房地产、建材板块迎来政策托底与供需改善，相关ETF怎么选？

Core Viewpoint - The article highlights a structural improvement in the real estate and building materials sectors, indicating a potential recovery after a prolonged adjustment period [3]. Policy Changes - The policy stance has shifted significantly since the beginning of 2026, with clear signals from the government aimed at stabilizing the real estate market. Key measures include a reduction in interest rates for various loans and adjustments to down payment requirements for commercial properties [4][5]. - The government recognizes real estate as a core asset for household wealth and emphasizes the need for substantial policy support rather than incremental measures [4]. Market Fundamentals - Despite a challenging 2025, where real estate investment dropped by 17% and new construction fell by 20.4%, early 2026 data shows signs of recovery, particularly in core cities where second-hand housing transactions have increased significantly [6]. - In January 2026, key cities reported a 16% month-on-month increase in second-hand housing transaction volume, with year-on-year growth of 33% [6]. Building Materials Sector - The building materials sector is experiencing a price increase driven by supply-side improvements, despite weak new construction data. The competitive landscape has improved due to industry consolidation [7]. - Leading companies in the building materials sector have begun to raise prices, reflecting a recovery in supply dynamics and a shift towards quality over quantity [7]. Market Performance - Notable companies in the building materials sector, such as Oriental Yuhong and Beixin Building Materials, have shown a positive upward trend in the secondary market [8]. - The real estate ETF (512200.SH) has a significant scale of 7.39 billion yuan, while the building materials ETF (159745.SZ) has a scale of 2.24 billion yuan, both showing strong performance in recent months [10][12][13]. Investment Trends - The building materials ETF has seen a rapid increase in shares, indicating a strong influx of market capital since mid-January 2026 [17].