可转债周报（2025年9月15日至2025年9月19日）：调整仍在继续-20250920

Report Industry Investment Rating - No relevant content provided Core View of the Report - From the beginning of 2025 to September 19, the convertible bond market performed slightly worse than the equity market. The current valuation of convertible bonds is relatively high, and adjustments are ongoing. In the long - term, convertible bonds are still relatively high - quality assets, but one needs to focus on the structure [1][3] Summary by Related Catalogs Market行情 - From September 15 to 19, 2025, the CSI Convertible Bond Index decreased by 1.5% (last week it was +0.4%), and the CSI All - Share Index changed by -0.2% (last week it was +2.1%). Since the beginning of 2025, the CSI Convertible Bond Index has increased by 14.2%, and the CSI All - Share Index has increased by 21.0% [1] - By rating, high - rated bonds (AA+ and above), medium - rated bonds (AA), and low - rated bonds (AA - and below) decreased by 1.68%, 1.06%, and 1.22% respectively this week, with high - rated bonds having the largest decline [1] - By convertible bond size, large - scale convertible bonds (bond balance > 5 billion yuan), medium - scale convertible bonds (balance between 500 million and 5 billion yuan), and small - scale convertible bonds (balance < 500 million yuan) decreased by 1.98%, 1.33%, and 1.20% respectively this week, with large - scale convertible bonds having the largest decline [1] - By conversion parity, ultra - high - parity bonds (conversion value > 130 yuan), high - parity bonds (conversion value between 110 and 130 yuan), medium - parity bonds (conversion value between 90 and 110 yuan), low - parity bonds (conversion value between 70 and 90 yuan), and ultra - low - parity bonds (conversion value < 70 yuan) decreased by 0.20%, 2.03%, 1.36%, 1.54%, and 1.57% respectively this week, with ultra - high - parity bonds having the smallest decline [2] Current Convertible Bond Valuation Levels - As of September 19, 2025, there were 432 outstanding convertible bonds (437 at the end of last week), with a balance of 599.191 billion yuan (607.826 billion yuan at the end of last week) [2] - The average convertible bond price was 130.41 yuan (132.0 yuan last week), with a percentile of 98.3% - The average convertible bond parity was 105.51 yuan (105.10 yuan last week), with a percentile of 95.5% - The average conversion premium rate of convertible bonds was 25.2% (26.0% last week), with a percentile of 47.0%. The conversion premium rate of medium - parity convertible bonds (conversion value between 90 and 110 yuan) was 28.1% (28.8% last week), higher than the median of the conversion premium rate of medium - parity convertible bonds since 2018 (20.3%) [2] Convertible Bond Performance and Allocation Direction - The CSI Convertible Bond Index is still in the adjustment phase. In the long - term, convertible bonds are relatively high - quality assets, but the current overall valuation level is high, so one needs to focus on the structure [3] Convertible Bond Gain Situation - The top 15 convertible bonds in terms of gains this week include Jingxing Convertible Bond, Hengshuai Convertible Bond, etc. Each bond has different positive stock gains and corresponding convertible bond gains [21]