30日转债行业涨跌参半，估值环比抬升：转债市场日度跟踪20251230-20251231

Report Industry Investment Rating No information provided in the given content. Core Viewpoints - On December 30, the convertible bond industry showed mixed performance in terms of gains and losses, with valuations rising on a month - on - month basis [1]. - The mid - cap growth style was relatively dominant in the market [1]. - The trading sentiment in the convertible bond market weakened [1]. - The convertible bond price center increased, and the proportion of high - price bonds rose [2]. - The convertible bond valuations increased [2]. - In the A - share market, more than half of the underlying stock industry indices declined, while in the convertible bond market, 14 industries rose [3]. Summary by Related Catalogs Market Overview - Index Performance: The CSI Convertible Bond Index rose 0.14% month - on - month, the Shanghai Composite Index remained unchanged, the Shenzhen Component Index rose 0.49%, the ChiNext Index rose 0.63%, the SSE 50 Index rose 0.06%, and the CSI 1000 Index rose 0.04% [1]. - Market Style: Mid - cap growth was relatively dominant. Large - cap growth rose 0.57%, large - cap value fell 0.13%, mid - cap growth rose 0.81%, mid - cap value rose 0.66%, small - cap growth rose 0.66%, and small - cap value rose 0.34% [1]. - Fund Performance: The trading sentiment in the convertible bond market weakened. The trading volume of the convertible bond market was 75.057 billion yuan, a 2.96% month - on - month decrease; the total trading volume of the Wind All - A was 2.161532 trillion yuan, a 0.18% month - on - month increase; the net outflow of the main funds in the Shanghai and Shenzhen stock markets was 23.828 billion yuan, and the yield of the 10 - year treasury bond decreased by 0.02 bp to 1.86% [1]. Convertible Bond Price - The overall weighted average closing price of convertible bonds was 134.53 yuan, a 0.09% month - on - month increase. Among them, the closing price of equity - biased convertible bonds was 202.44 yuan, a 1.47% increase; the closing price of bond - biased convertible bonds was 118.85 yuan, a 0.18% decrease; the closing price of balanced convertible bonds was 129.71 yuan, a 0.01% increase [2]. - The proportion of bonds with a closing price above 130 yuan was 59.95%, a 1.15 - percentage - point increase. The largest change in proportion occurred in the 120 - 130 (including 130) range, with a proportion of 28.01%, a 1.39 - percentage - point decrease. There were no bonds with a closing price below 100 yuan. The median price was 132.60 yuan, a 0.07% month - on - month decrease [2]. Convertible Bond Valuation - The fitted conversion premium rate of 100 - yuan par value was 33.54%, a 0.45 - percentage - point month - on - month increase; the overall weighted par value was 101.88 yuan, a 0.19% month - on - month decrease [2]. - The premium rate of equity - biased convertible bonds was 18.25%, a 1.38 - percentage - point increase; the premium rate of bond - biased convertible bonds was 86.78%, a 2.11 - percentage - point increase; the premium rate of balanced convertible bonds was 25.17%, a 0.42 - percentage - point increase [2]. Industry Performance - Underlying Stock Market: Among the A - share industries, the top three decliners were Commerce and Retail (-1.56%), Real Estate (-1.22%), and Utilities (-1.14%); the top three gainers were Petroleum and Petrochemical (+2.63%), Automobile (+1.35%), and Non - Ferrous Metals (+1.31%) [3]. - Convertible Bond Market: Among the convertible bond industries, the top three gainers were Automobile (+2.08%), Petroleum and Petrochemical (+1.25%), and Textile and Apparel (+0.77%); the top three decliners were Environmental Protection (-2.57%), National Defense and Military Industry (-1.23%), and Building Materials (-1.16%) [3]. - By Category: - Closing Price: The large - cycle category decreased by 0.38%, manufacturing increased by 0.54%, technology decreased by 0.24%, large - consumption increased by 0.10%, and large - finance decreased by 0.05% [3]. - Conversion Premium Rate: The large - cycle category decreased by 0.21 percentage points, manufacturing increased by 0.57 percentage points, technology increased by 0.028 percentage points, large - consumption increased by 0.63 percentage points, and large - finance increased by 0.79 percentage points [3]. - Conversion Value: The large - cycle category decreased by 0.74%, manufacturing increased by 0.17%, technology decreased by 0.36%, large - consumption decreased by 0.43%, and large - finance decreased by 0.20% [3]. - Pure Bond Premium Rate: The large - cycle category decreased by 0.55 percentage points, manufacturing increased by 0.81 percentage points, technology decreased by 0.16 percentage points, large - consumption increased by 0.12 percentage points, and large - finance decreased by 0.065 percentage points [4]. Industry Rotation - Industries such as Petroleum and Petrochemical, Automobile, and Non - Ferrous Metals led the gains. For example, Petroleum and Petrochemical had a daily increase of 2.63% in the underlying stock market and 1.25% in the convertible bond market; Automobile had a 1.35% increase in the underlying stock market and 2.08% in the convertible bond market [54].