GF SECURITIES(SZ:000776) 广发金融工程研究·2026-01-05 06:34Core Viewpoint - The quantitative convertible bond portfolio performed well in December, achieving a return of 4.57% for the month and a cumulative return of 25.63% since 2025, outperforming the China Securities Convertible Bond Index by 6.97% [1]. Group 1: Portfolio and Performance - The quantitative convertible bond portfolio is generated based on three factor systems: fundamental factors, low-frequency price-volume factors, and high-frequency price-volume factors, with monthly rebalancing [5]. - The portfolio's performance in December 2025 showed a monthly return of 4.57% and an excess return of 2.43% compared to the benchmark [1]. Group 2: Convertible Bond Factors - A total of 32 fundamental factors, 80 low-frequency price-volume factors, and 32 high-frequency price-volume factors for convertible bonds are being tracked, with detailed data available for subscription [2]. - The report illustrates the latest data using the pricing deviation factor as an example, which measures the difference between market price and theoretical pricing [12]. Group 3: Convertible Bond Index Timing - The timing strategy for the China Securities Convertible Bond Index is based on price-volume models, pricing deviations, and bond elasticity, indicating a bullish signal at the end of December with a recommended position of 2/3 [4][16]. - The timing signals for December 2025 show a consistent bullish outlook based on pricing models, with a position recommendation of 67% from December 22 onwards [16]. Group 4: Risk Warnings - The report provides risk warnings for convertible bonds based on forced delisting and risk alert rules, identifying specific bonds with trading and financial delisting risks [3][14]. - Various convertible bonds are flagged for different types of risks, including trading-related delisting warnings and event-type credit risk alerts [15].