转债周度专题：隐含波动率看转债当前估值如何？-20250818

1. Report Industry Investment Rating No relevant content provided. 2. Core Views of the Report - The current valuation of convertible bonds is relatively high from the perspective of implied volatility, close to the peak in 2022, and there is a certain risk of short - term callback in the convertible bond index [10][17]. - The A - share market still shows good allocation cost - performance, and the weak resonance between the domestic economic fundamentals and the capital market is expected to gradually start. In the convertible bond market, considering the impact of refinancing policies, there is certain support on the demand side under the background of shrinking supply. However, be vigilant about the callback risk as the overall valuation is already at a relatively high level [21]. - In terms of industries, pay attention to popular themes, domestic demand - oriented sectors, central state - owned enterprises represented by "China -字头", and the military industry [22]. 3. Summary According to the Directory 3.1. Convertible Bond Weekly Special and Outlook 3.1.1. Implied Volatility: How about the Current Valuation of Convertible Bonds? - As of this Friday, the closing point of the China Securities Convertible Bond Index reached 475.25, a new high in recent years, with a year - to - date increase of 14.64%, slightly lower than the 16.19% increase of the Wind All - A Index [10]. - The overall implied volatility of convertible bonds has been rising since September 2024 and is now significantly higher than the annual highs since 2018. The implied volatility difference has accelerated its upward trend since April this year and is now above the 95% historical quantile, indicating that the overall valuation of convertible bonds is at a relatively high historical level [10]. - There is a certain differentiation in the valuation of convertible bonds. The valuation of convertible bonds with a parity of 50 - 80 is at a high historical quantile, while that of convertible bonds with a parity greater than 120 is relatively low. Some convertible bonds may still have room for valuation improvement [11]. - The RSJ_60 indicator of the China Securities Convertible Bond Index is currently above the 95% quantile of the past year, suggesting a certain short - term callback risk [17]. 3.1.2. Weekly Review and Market Outlook - This week, the market fluctuated upwards. The A - share market had mixed performance on different days, with various sectors rising and falling. Looking ahead, the A - share market shows good allocation cost - performance. The domestic economic fundamentals are expected to gradually resonate with the capital market [18][21]. - In the convertible bond market, pay attention to the game space of downward revision clauses, be vigilant about the forced redemption risk, and appropriately focus on the short - term game opportunities of near - maturity convertible bonds [21]. - Industries to focus on include popular themes, domestic demand - oriented sectors, central state - owned enterprises, and the military industry [22]. 3.2. Weekly Tracking of the Convertible Bond Market 3.2.1. Equity Market Closed Higher - This week, major equity market indices closed higher. The Wind All - A Index rose 2.95%, the Shanghai Composite Index rose 1.70%, the Shenzhen Component Index rose 4.55%, and the ChiNext Index rose 8.58%. Market style favored small - cap value stocks [25]. - Among the Shenwan industry indices, 22 industries rose and 9 fell. The communication, electronics, and non - bank finance industries led the gains, while the banking, steel, and textile and apparel industries led the losses [27]. 3.2.2. Convertible Bond Market Closed Higher, and the Premium Rate per 100 Par Value Decreased - This week, the convertible bond market closed higher. The China Securities Convertible Bond Index rose 1.60%, the Shanghai Convertible Bond Index rose 1.53%, the Shenzhen Convertible Bond Index rose 1.71%, the Wind Convertible Bond Equal - Weighted Index rose 2.33%, and the Wind Convertible Bond Weighted Index rose 1.27% [29]. - The average daily trading volume of the convertible bond market increased. The average daily trading volume this week was 93.085 billion yuan, an increase of 8.61 billion yuan compared with last week, and the total weekly trading volume was 465.424 billion yuan [29]. - In terms of industries, 24 convertible bond industries rose and 5 fell. The non - bank finance, communication, and machinery and equipment industries led the gains, while the social services, banking, and national defense and military industries led the losses [34]. - Most individual convertible bonds rose (357 out of 454). The top five gainers were Outong Convertible Bond, Dayuan Convertible Bond, Jintong Convertible Bond, Weixin Convertible Bond, and Youzu Convertible Bond; the top five losers were Xince Convertible Bond, Jing 23 Convertible Bond, Gaoce Convertible Bond, Yingji Convertible Bond, and Sheyan Convertible Bond; the top five in terms of trading volume were Outong Convertible Bond, Dayuan Convertible Bond, Jiaojian Convertible Bond, Zhongqi Convertible Bond, and Dongjie Convertible Bond [36]. - The weighted conversion value of the whole market increased, and the premium rate decreased. The weighted average conversion value at the end of this week was 99.15 yuan, an increase of 0.99 yuan compared with last week; the weighted conversion premium rate was 41.69%, a decrease of 0.04 pct compared with last week [44]. 3.2.3. High - Frequency Tracking of Different Types of Convertible Bonds 3.2.3.1. Classification Valuation Changes - This week, there was valuation differentiation in the convertible bond structure. The valuations of convertible bonds with a parity of 0 - 80 and 100 - 110 decreased, while those of most other parity convertible bonds increased. The valuations of AAA - rated and A - and - below - rated convertible bonds increased, while those of other rated convertible bonds decreased. The valuations of small - cap and large - cap convertible bonds increased, while those of other scale - graded convertible bonds decreased [53]. - Since the beginning of 2024, the conversion premium rates of equity - biased and balanced convertible bonds have rebounded from the bottom. As of this Friday, the conversion premium rate of equity - biased convertible bonds is above the 35% quantile since 2017, and that of balanced convertible bonds is above the 50% quantile since 2017 [53]. 3.2.3.2. Market Index Performance - This week, convertible bonds of all ratings rose. Since 2023, convertible bonds of different ratings have recorded different levels of returns, with high - rated convertible bonds showing more stable performance and low - rated convertible bonds showing weaker anti - decline ability and greater rebound strength [65]. - This week, convertible bonds of all scales rose. Since 2023, small - cap convertible bonds have recorded the highest return, followed by medium - small - cap, medium - cap, and large - cap convertible bonds in descending order [65]. 3.3. Tracking of Convertible Bond Supply and Terms 3.3.1. This Week's Primary Market Issuance Plans - This week, 2 convertible bonds have been issued but not yet listed, and 3 convertible bonds have passed the primary approval. From the beginning of 2023 to August 15, 2025, there have been 89 planned convertible bonds with a total scale of 139.408 billion yuan [72][73]. 3.3.2. Downward Revision and Redemption Clauses - This week, 5 convertible bonds announced that they were expected to trigger downward revision, 8 convertible bonds announced that they would not be downward - revised, 2 convertible bonds proposed downward revision, and 3 convertible bonds announced the results of downward revision [77]. - This week, 18 convertible bonds announced that they were expected to trigger redemption, 6 convertible bonds announced that they would not be redeemed in advance, and 4 convertible bonds announced early redemption [80][81][82]. - As of the end of this week, 4 convertible bonds are still in the put - option declaration period, and 11 convertible bonds are still in the company's capital - reduction and debt - settlement declaration period [85].