可转债周报（2025年8月18日至2025年8月22日）：气势如虹-20250823

1. Report Industry Investment Rating No relevant content provided in the report. 2. Core View of the Report - From January to August 22, 2025, the CSI Convertible Bond Index rose by +17.9%, slightly lower than the +18.3% increase of the CSI All-Share Index. Although the current valuation quantiles of convertible bonds are close to or exceed historical highs, with the equity market on the rise, the subsequent performance of convertible bonds is still worth looking forward to [1][4]. 3. Summary by Relevant Catalog Market Conditions - From August 18 to August 22, 2025, the CSI Convertible Bond Index rose by +2.8% (last week's increase was +1.6%), and the CSI All-Share Index rose by +3.9% (last week's increase was +2.9%). The convertible bond market continued to rise, and the increase was greater [1]. - By rating, high-rated bonds (rated AA+ and above), medium-rated bonds (rated AA), and low-rated bonds (rated AA- and below) rose by +3.2%, +3.3%, and +2.8% respectively this week, with low-rated bonds having the smallest increase [1]. - By convertible bond scale, large-scale convertible bonds (bond balance greater than 5 billion yuan), medium-scale convertible bonds (balance between 500 million and 5 billion yuan), and small-scale convertible bonds (balance less than 500 million yuan) rose by +2.5%, +3.2%, and +3.3% respectively this week, with small-scale convertible bonds having the largest increase [1]. - By parity, ultra-high parity bonds (conversion value greater than 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 less than 70 yuan) rose by +4.0%, +2.9%, +2.6%, +2.4%, and +4.2% respectively this week, with ultra-low parity bonds having the largest increase [2]. Current Convertible Bond Valuation Levels - As of August 22, 2025, there were 450 outstanding convertible bonds (456 at the close of last week), with a balance of 623.836 billion yuan (627.415 billion yuan at the close of last week) [3]. - The average convertible bond price was 134.42 yuan (131.58 yuan last week), with a quantile of 100%; the average convertible bond parity was 106.74 yuan (104.19 yuan last week), with a quantile of 96.9%; the average convertible bond conversion premium rate was 27.8% (28.6% last week), with a quantile of 56.0%. Among them, the conversion premium rate of medium-parity (conversion value between 90 and 110 yuan) convertible bonds was 32.2% (30.8% last week), higher than the median conversion premium rate of medium-parity convertible bonds since 2018 (20.2%) [3]. Convertible Bond Increase Situation - This week, the top 15 convertible bonds in terms of increase were Dongshi Convertible Bond, Jintong Convertible Bond, Huayi Convertible Bond, etc. The increase rates ranged from 11.64% to 90.12%, and the corresponding underlying stocks also had varying degrees of increase [24].