流动性预期改善，机构看好债市年末行情

Group 1 - The central bank resumed government bond trading operations in October, with a net injection of 20 billion yuan, indicating a shift towards a more accommodative monetary policy [1] - Analysts from CITIC Securities believe that the central bank's unexpected resumption of bond trading signals an improvement in market liquidity expectations [1] - Zhongyou Securities expresses a more optimistic outlook for the year-end bond market, noting that interbank certificate of deposit rates are currently in a high allocation value range, suggesting potential downward pressure on short-term yields [1] Group 2 - Related products include the benchmark government bond ETF (511100), which focuses on medium to long-term bonds with low fees [2] - The credit bond ETF fund (511200) targets medium to short-term credit bonds, also with low fees and high credit quality [2] - The Sci-Tech Innovation Bond ETF (551550) offers medium to short-term bonds with low fees and high credit quality [2]