1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - This week, the equity market continued to rise strongly, and the bond market remained highly volatile. However, from the perspective of institutional behavior, the sentiment of trading desks stabilized significantly in the second half of the week, enhancing the bond market's resilience to pressure. The selling pressure from funds on interest - rate bonds was concentrated in the first two days, and they turned to net buyers in the second half of the week. The purchasing power of allocation desks has weakened. The focus in the future is still on the redemption pressure and sentiment improvement of trading desks [9]. 3. Summary According to the Table of Contents 3.1 Overall Sentiment: Bond Market Vitality Index Declined - The bond market vitality index declined this week. As of August 22, the bond market vitality index dropped 12 pcts to 17% compared to August 15, and the 5D - MA decreased 4 pcts to 23% [10]. - Indicators of rising bond market vitality include the median duration of medium - and long - term pure bond funds (the rolling two - year percentile increased from 98.3% to 99.7%), the excess level of the inter - bank bond market leverage ratio compared to the average of the past four years (the rolling two - year percentile increased from 24% to 26%), and the implied tax rate of the 10 - year China Development Bank bond (inverse) (the rolling two - year percentile increased from 4% to 8%) [1]. - Indicators of falling bond market vitality include the trading volume of the active 10Y CDB bond / the balance of 9 - 10Y CDB bonds (the rolling two - year percentile decreased from 86% to 38%) and the turnover rate of 30Y treasury bonds (the rolling two - year percentile decreased from 55% to 44%) [1]. 3.2 Institutional Behavior: Trading Desks Were Net Sellers, and the Purchasing Power of Allocation Desks Weakened 3.2.1 Buying and Selling Strength and Bond Selection - In the cash bond market this week, the order of net buying strength was large banks > insurance > other product types > wealth management > overseas institutions and others > rural financial institutions, and the order of net selling strength was funds > city commercial banks > securities firms > money market funds > joint - stock banks. For ultra - long bonds (bonds with a maturity of over 15 years), the order of net buying strength was insurance > rural commercial banks > city commercial banks > wealth management > overseas institutions and others, and the order of net selling strength was funds > large banks > joint - stock banks > securities firms > other product types [20]. - The main bond types of various institutions are as follows: large banks mainly focus on 3 - 5Y interest - rate bonds; rural commercial banks have no obvious main bond types; insurance mainly focuses on 7 - 10Y credit bonds; funds have no obvious main bond types; wealth management mainly focuses on 1 - 3Y credit bonds; other product types mainly focus on 3 - 5Y interest - rate bonds and 7 - 10Y other bonds [2]. 3.2.2 Trading Desks: Interest - Rate Bond Funds Significantly Increased Duration, Credit Bond Funds Slightly Increased Duration, and High - Performing Bond Funds Made Smaller Duration Adjustments - As of August 22, the mean and median durations of the full - sample medium - and long - term pure bond funds increased by 0.05 years and 0.08 years respectively compared to August 15, reaching 4.61 years and 4.48 years, and were at the 99.1% and 99.7% rolling two - year percentiles respectively. Among them, the median durations of pure interest - rate bond funds, interest - rate bond funds, and credit bond funds increased by 0.42 years, 0.23 years, and 0.03 years respectively, reaching 5.85 years, 5.47 years, and 4.05 years. The median durations of high - performing interest - rate bond funds and credit bond funds increased by 0.33 years and 0.11 years respectively, reaching 6.87 years and 4.65 years [39]. 3.2.3 Allocation Desks: Wealth Management Extended Duration in the Secondary Market, Rural Commercial Banks and Insurance Deployed Ultra - Long Bonds - **Differentiated Primary Subscription Demand for Treasury Bonds and Policy Financial Bonds, Declining Demand for Ultra - Long Bonds**: This week, the primary subscription demand for treasury bonds and policy financial bonds showed differentiation, with the demand for ultra - long bonds declining. The weighted average full - coverage multiples of treasury bonds and policy financial bonds decreased from 3.30 times to 2.87 times and increased from 2.87 times to 2.98 times respectively compared to the previous week. Among them, the weighted average full - coverage multiples of treasury bonds and policy financial bonds with a maturity of 10Y and above decreased from 4.08 times to 2.69 times and from 2.62 times to 2.51 times respectively [52]. - **Large Banks: Maintained Strong Net Buying of 1 - 3Y Treasury Bonds since August**: Since the beginning of this year, the issuance of government bonds has been fast and the duration has been long. Large banks' net selling of cash bonds in the secondary market in the first half of the year was significantly stronger than in the same period of previous years. From July to August, large banks increased their net buying. As of August 22, the cumulative net selling of cash bonds for the whole year was lower than the levels in the same period of 2022 and 2023. In terms of short - term treasury bonds, large banks increased their net buying of treasury bonds with a maturity of less than 1Y since June, but the cumulative net buying since the beginning of the year was still much lower than the level in the same period of 2024 and higher than the level in 2023. Large banks maintained strong net buying of 1 - 3Y treasury bonds from May to July, and the daily average net buying strength decreased slightly in August compared to July. As of August 22, the cumulative net buying of 1 - 3Y treasury bonds this year was 5657 billion yuan (compared to 5330 billion yuan at the end of August 2024) [57]. - **Rural Commercial Banks: Weak Bond - Buying Strength, Focusing on Long - Term Bonds and Neglecting Short - Term Bonds**: The cumulative net buying of cash bonds by rural commercial banks since the beginning of this year has been significantly weaker than in the same period of previous years, mainly due to the weak net buying of short - term bonds with a maturity of less than 1Y. As of August 22, rural commercial banks had a cumulative net selling of 3732 billion yuan of bonds with a maturity of less than 1Y (compared to net buying of 1.99 trillion yuan and 2.67 trillion yuan at the end of August in 2023 and 2024 respectively). However, the net buying of bonds with a maturity of 7 - 10Y and over 10Y was higher than in the same period of previous years [68]. - **Insurance: The Accelerated Issuance of Government Bonds Facilitated the Deployment of Ultra - Long Bonds by Insurance**: The net buying of cash bonds by insurance since the beginning of this year has been significantly higher than in the same period of previous years, mainly due to the strong buying of ultra - long bonds with a maturity of over 10Y. Assuming that the cumulative year - on - year growth rates of premium income in July and August are 6% and 8% respectively, as of August 22, the ratio of cumulative net buying of cash bonds to cumulative premium income this year reached 47.76%, exceeding the level of 40.10% at the end of August last year. The strong allocation by insurance is mainly due to the sufficient supply of ultra - long - term government bonds this year. As of August 22, the ratio of insurance's cumulative net buying of cash bonds to the cumulative issuance of government bonds with a maturity of over 10Y was only 28.28%, lower than the levels of 35.14% and 31.15% at the end of July and August last year [75]. - **Wealth Management: The Duration in the Secondary Market Rose Again**: Since June, the cumulative net buying of cash bonds by wealth management has been continuously increasing and is significantly higher than the levels of the past three years. In particular, the net buying of bonds with a maturity of over 10Y has been very strong. As of August 22, wealth management had a cumulative net buying of 1414 billion yuan of bonds with a maturity of over 10Y this year, while in previous years (except 2022), there was cumulative net selling in the same period. This week, the duration of wealth management's net buying of cash bonds in the secondary market remained basically the same and was still at the highest level since February 23, 2024. As of August 22, the weighted average duration of wealth management's cumulative net buying of cash bonds was 1.76 years, the same as on August 15 [77][83]. 3.3 Asset Management Product Tracking: Most Interest - Rate Bond Funds Recorded Negative Returns in the Past Three Months - Since August, the month - on - month growth rate of the scale of equity funds has been higher than that of bond funds. In August, the month - on - month increases in the scale of bond funds and equity funds were 57.8 billion yuan and 339 billion yuan respectively, compared to 142.3 billion yuan and 164.1 billion yuan in July. - The issuance share of newly established bond - type funds this week was still low. The scale of newly established bond funds this week was only 3.7 billion yuan, which rebounded from 1.2 billion yuan in the previous week but was still at a relatively low level. - In terms of the performance of bond funds, the net value of various types of bond funds continued to decline significantly this week, and credit bond funds had relatively stronger resistance to decline. The median annualized returns of pure interest - rate bond funds, interest - rate bond funds, and credit bond funds in the past week were - 8.6%, - 7.8%, and - 7.1% respectively. Most pure interest - rate bond funds and interest - rate bond funds recorded negative returns in the past three months [86].

1. Report Industry Investment Rating No relevant content provided. 2. Core View of the Report Under the resonance of multiple negative factors such as the rise in risk preference, the sharp rise in the equity and commodity markets, and the central bank's net withdrawal in the open - market operations disturbing the capital price, the bond market fluctuated violently this week. The selling behavior of funds is particularly worthy of attention. The scale of funds' net selling on Thursday and Friday was second only to the redemption tides in late August and early October last year. The performance of bond funds was poor, with over 40% of pure interest - rate bond funds recording negative returns in the past three months. Continued attention should be paid to changes in market risk preference and fund redemption situations [10]. 3. Summary According to Relevant Catalogs 3.1 Overall Sentiment - The bond market vitality index increased, mainly due to the rise in the turnover rate of ultra - long bonds. As of July 25, the bond market vitality index rose 6 pcts to 37% compared with July 18, and the 5D - MA rose 5 pcts to 45% [11]. - Indicators of rising bond market vitality included the trading volume of the active 10Y CDB bond / the balance of 9 - 10Y CDB bonds (the rolling two - year quantile rose from 42% to 72%), the 30Y treasury bond turnover rate (the rolling two - year quantile rose from 16% to 71%), and the median duration of medium - and long - term pure bond funds (the rolling two - year quantile rose from 99.3% to 99.7%) [13]. - Indicators of falling bond market vitality included the excess level of the inter - bank bond market leverage ratio compared with the average of the past 4 years (the rolling two - year quantile dropped from 20% to 5%) and the implied tax rate of 1 - 10Y CDB bonds (the rolling two - year quantile dropped from 57% to 21%) [14]. 3.2 Institutional Behavior 3.2.1 Buying and Selling Strength and Bond Selection - In terms of overall buying and selling strength, the order of net buying strength in the cash bond market this week was large banks > insurance > wealth management > other products > money market funds > overseas institutions and others, and the order of net selling strength was funds > securities firms > joint - stock banks > city commercial banks. For ultra - long bonds, the order of net buying strength was insurance > rural commercial banks > city commercial banks > wealth management, and the order of net selling strength was funds > securities firms > large banks > joint - stock banks > other products [22]. - Different institutions had different main bond types. Large banks focused on 1 - 3Y interest - rate bonds and credit bonds; rural commercial banks focused on 5 - 10Y interest - rate bonds and 1 - 3Y other bonds; insurance focused on interest - rate bonds over 10Y and 7 - 10Y credit bonds; funds focused on interest - rate bonds within 1Y; wealth management focused on certificates of deposit and interest - rate bonds within 3Y; other products focused on certificates of deposit [26]. 3.2.2 Trading Portfolio - As of July 25, the median duration of the full - sample medium - and long - term pure bond funds increased by 0.21 years to 4.38 years compared with July 18. Among them, the median durations of pure interest - rate bond funds and interest - rate bond funds decreased by 0.22 years and 0.04 years respectively, while that of credit bond funds increased by 0.19 years. The median durations of high - performing interest - rate bond funds and credit bond funds changed more significantly, decreasing by 0.48 years and increasing by 0.32 years respectively [35]. 3.2.3 Allocation Portfolio - **Primary market**: The primary subscription demand for treasury bonds and policy - bank bonds decreased overall this week. The weighted average full - market multiples of treasury bonds and policy - bank bonds decreased from 3.25 times to 2.94 times and from 3.36 times to 3.16 times respectively [53]. - **Large banks**: As of July 25, the cumulative net purchase of 1 - 3Y treasury bonds this year reached 4032 billion yuan, higher than the same period last year [59]. - **Rural commercial banks**: This year, the cumulative net purchase of cash bonds was significantly weaker than in previous years, mainly due to the weak net purchase of short - term bonds within 1Y. However, the net purchase of 7 - 10Y and over 10Y cash bonds was higher than the same period in previous years [70]. - **Insurance**: This year, the net purchase of cash bonds and its ratio to premium income were significantly higher than in previous years, mainly due to the sufficient supply of ultra - long - term government bonds. As of July 25, the ratio of the cumulative net purchase of cash bonds to the cumulative issuance of government bonds over 10Y was 27.34%, lower than 35.14% at the end of July last year [81]. - **Wealth management**: From June to July, the cumulative net purchase of cash bonds continued to rise, especially for bonds over 10Y. This week, the duration of net - bought cash bonds in the secondary market increased to the highest level since February 23, 2024 [90]. 3.3 Asset Management Product Tracking - Since July, the increase in the scale of wealth management products was weaker than seasonal. The scale increased by 27.96 billion yuan, far lower than the same period from 2021 - 2024. The wealth management product break - even rate decreased [94]. - Since July, the scale of bond funds increased by 13.41 billion yuan, with a significant slowdown in growth rate, while the scale of equity funds increased by 20.99 billion yuan. This week, the net value of various types of bond funds fell sharply, and over 40% of pure interest - rate bond funds recorded negative returns in the past three months [101].