债市日报：12月8日

Core Viewpoint - The bond market continues to show weakness, particularly in the ultra-long end, with rising yields and a notable supply-demand imbalance [1][7]. Market Performance - On December 8, the bond market experienced a general increase in yields, with the 30-year government bond yield rising by 1.75 basis points to 2.269% and the 50-year bond yield increasing by 3.9 basis points to 2.415% [2]. - The China Securities Convertible Bond Index rose by 0.40% to 483.93 points, with significant gains in several convertible bonds [2]. International Bond Market - In North America, U.S. Treasury yields rose across the board, with the 10-year yield increasing by 3.89 basis points to 4.137% [3]. - In Asia, Japanese bond yields also increased, with the 10-year yield rising by 2.3 basis points to 1.972% [4]. Primary Market - Agricultural Development Bank's financial bonds had competitive bidding, with the 5-year bond yield at 1.7772% and a bid-to-cover ratio of 3.03 [5]. - The Xinjiang Production and Construction Corps' local bonds saw bid-to-cover ratios exceeding 10, indicating strong demand [5]. Liquidity and Funding - The central bank conducted a reverse repurchase operation of 1,223 billion yuan, resulting in a net injection of 147 billion yuan for the day [6]. - Short-term funding rates, as indicated by Shibor, have generally increased, with the overnight rate rising to 1.302% [6]. Institutional Perspectives - Huatai Fixed Income suggests that while the ultra-long bonds have seen some risk release, the overall market remains cautious, with expectations of increased volatility in ultra-long bonds [7][8]. - Industry analysts from Guosheng Fixed Income do not foresee a significant long-term increase in ultra-long bond spreads but acknowledge short-term risks due to potential market shocks from institutional selling [8].