1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - The bond market yield curve remained steep this week, with the 10Y maturity yield fluctuating around 1.85% and the 1Y Treasury bond maturity yield at 1.40%. The term spreads of 30Y - 10Y and 10Y CDB - 10Y Treasury bonds widened, and the curve steepening continued [3][11]. - There are two "certainties" in the current bond market. First, driven by large - banks' continuous buying of short - term bonds, the short - end is more stable, and the expectation of the central bank buying bonds in the fourth quarter is rising. Second, the anti - decline of credit bonds is expected to continue under the loose funds [3][12]. 3. Summary According to the Directory 3.1 This Week's Institutional Behavior Review: Two "Certainties" in the Bond Market 3.1.1 Yield Curve - Treasury bond yields generally increased. The 1Y yield decreased by 1bp, while the 3Y, 5Y, 7Y, 10Y, 15Y, and 30Y yields increased by about 1bp, 1bp, 5bp, 1bp, 2bp, and 2bp respectively. For CDB bonds, short - end yields increased, and mid - end yields decreased. The 1Y yield increased by 5bp, the 3Y yield increased by 4bp, and the 5Y yield decreased by about 3bp [14]. 3.1.2 Term Spreads - For Treasury bonds, the interest rate spread inversion deepened, and the long - end spreads narrowed. For CDB bonds, the interest rate spread inversion deepened, and the short - end spreads narrowed [16][17]. 3.2 Bond Market Leverage and Funding Situation 3.2.1 Leverage Ratio - From September 15 to September 19, 2025, the leverage ratio decreased weekly. As of September 19, it was about 106.91%, down 0.12pct from last Friday and 0.17pct from Monday [21]. 3.2.2 Average Daily Turnover of Pledged Repurchase - From September 15 to September 19, the average daily turnover of pledged repurchase was about 7.2 trillion yuan, a decrease of 0.33 trillion yuan from last week. The average daily overnight turnover accounted for 87.64%, a decrease of 0.79pct [27][28]. 3.2.3 Funding Situation - From September 15 to September 19, bank - related funds' net lending first decreased and then increased. The main funds' borrowers were securities firms, and money market funds' net lending increased fluctuantly. DR007 and R007 first increased and then decreased. 1YFR007 and 5YFR007 increased fluctuantly [32][33]. 3.3 Duration of Medium - and Long - Term Bond Funds 3.3.1 Median Duration - This week (September 15 - September 19), the median duration of medium - and long - term bond funds was 2.68 years (de - leveraged) and 2.8 years (leveraged). On September 19, the de - leveraged median duration decreased by 0.01 years compared with last Friday, and the leveraged median duration increased by 0.02 years [44]. 3.3.2 Duration by Bond Fund Type - The median duration of interest - rate bond funds (leveraged) decreased to 3.55 years, down 0.12 years from last Friday. The median duration of credit bond funds (leveraged) increased to 2.51 years, up 0.03 years from last Friday [47]. 3.4 Comparison of Category Strategies 3.4.1 Sino - US Yield Spread - The short - end spread widened, and the medium - and long - end spread narrowed. The 1Y, 2Y, and 3Y spreads widened by 5bp, 5bp, and about 3bp respectively, while the 5Y, 7Y, 10Y, and 30Y spreads narrowed [52]. 3.4.2 Implied Tax Rate - The short - end implied tax rate widened, and the mid - end narrowed. As of September 19, the 1Y, 3Y, and 30Y spreads of CDB - Treasury bonds widened, while the 5Y, 7Y, 10Y, and 15Y spreads narrowed [53]. 3.5 Changes in Bond Lending Balance - On September 19, the lending concentration of the second - most active 10Y CDB bond increased, while that of the active 10Y Treasury bond, the second - most active 10Y Treasury bond, the active 10Y CDB bond, and the active 30Y Treasury bond decreased. Except for large banks, all other institutions saw a decline [54].

Report Industry Investment Rating No relevant content provided. Core Viewpoints - The sentiment of non - banking institutions is not pessimistic, but the number of bond - receiving institutions during bond market corrections is gradually decreasing. The bond market fluctuated this week, with the yields of 10 - year and 30 - year treasury bonds rising in the valuation curve. The spread between 250210 and 250215 has widened by about 2bp [2][11]. - There are three changes in institutional behavior this week: frequent bond market corrections but strong buying power; on Thursday, funds were the main sellers, but the net selling volume was not large, and the lack of counterparties led to a significant interest rate increase; attention should be paid to the possible spread compression of the ultra - long bond 25 Special 06 [3][4]. Summaries According to the Directory 1. This Week's Institutional Behavior Review - **Yield Curve**: Treasury bond yields declined at the short end and rose at the long end. For example, the 10Y yield rose 6bp, and the 30Y yield rose 6bp. The short - end yields of CDB bonds declined, with the 1Y yield down about 4bp [14]. - **Term Spread**: The interest rate spreads of treasury bonds and CDB bonds showed differentiated trends, with the short - end spreads widening. For treasury bonds, the 1Y - DR001 spread rose about 14bp, and the 5Y - 3Y spread widened 3bp. For CDB bonds, the 1Y - DR001 spread rose about 6bp, and the 3Y - 1Y spread widened 3bp [16][17]. 2. Bond Market Leverage and Funding Situation - **Leverage Ratio**: It decreased to 106.84%. From August 25th to August 29th, the leverage ratio first increased and then decreased during the week [20]. - **Average Daily Repo Turnover**: From August 25th to August 29th, the average daily turnover of pledged repurchase was about 7.1 trillion yuan, a decrease of 0.06 trillion yuan from last week. The average daily turnover of overnight pledged repurchase was 6.0 trillion yuan, a decrease of 0.23 trillion yuan month - on - month. The average overnight trading ratio was 85.46%, a decrease of 2.29pct month - on - month [27][28]. - **Funding Situation**: Bank funding supply first increased and then decreased. On August 29th, the net funding supply of large - scale and policy banks was 4.015 trillion yuan; the average daily net funding inflow of joint - stock banks, city commercial banks, and rural commercial banks was 0.58 trillion yuan, and the net inflow on August 29th was 0.81 trillion yuan. The main funding inflow party was funds, and the funding supply of money market funds fluctuated and increased [31]. 3. Duration of Medium - and Long - Term Bond Funds - **Median Duration**: The median duration of medium - and long - term bond funds decreased to 2.77 years (de - leveraged) and 2.95 years (leveraged). On August 29th, the median duration (de - leveraged) decreased by 0.04 years compared to last Friday, and the median duration (leveraged) decreased by 0.16 years [43]. - **Duration by Bond Fund Type**: The median duration (leveraged) of interest - rate bond funds decreased to 3.75 years, a decrease of 0.16 years compared to last Friday; the median duration (leveraged) of credit bond funds decreased to 2.72 years, a decrease of 0.12 years compared to last Friday [46]. 4. Comparison of Category Strategies - **China - US Yield Spread**: The overall spread widened. The 1Y spread widened by 10bp, the 2Y spread widened by 14bp, and so on. From a percentile perspective, the 1Y spread rose to the 47% percentile [51]. - **Implied Tax Rate**: The short - end was differentiated, and the long - end narrowed. As of August 29th, the 1Y spread between CDB bonds and treasury bonds narrowed by 3bp, and the 10Y spread narrowed by 6bp [52]. 5. Changes in Bond Lending Balances On August 29th, the lending concentration of the active 10 - year treasury bond, the second - active 10 - year treasury bond, the active 10 - year CDB bond, and the active 30 - year treasury bond increased, while the lending concentration of the second - active 10 - year CDB bond decreased. By institution, the lending concentration of large - scale banks and other institutions increased, while that of small - and medium - sized banks and securities companies decreased [53].

Group 1: Report Overview - The report is a fixed - income weekly report titled "Institutional Behavior of Joint - stock Banks Triggers Bullish Signals - Weekly Report on Bond Market Institutional Behavior (Week 2 of August)" dated August 17, 2025 [1][2] - The chief analyst is Yan Ziqi, and the analyst is Hong Ziyan [2] Group 2: Core Viewpoints - The bond market's bullish space has opened, and institutional behavior indicators have triggered bullish signals. A trading - following strategy based on joint - stock banks' transactions may have a high win - rate [2][3][12] - Although there are short - term bearish factors in the bond market, the medium - and long - term trend remains unchanged, and the bullish space has opened [4][13] Group 3: Weekly Institutional Behavior Review 3.1 General Comment - A rate - timing signal was developed based on joint - stock banks' trading behavior. In the past year, it gave 5 long - lasting large - wave signals with a 100% win - rate on large waves. On August 13, it triggered a bullish signal that lasted for 3 days [3][12] - Big banks were the main buyers of short - and medium - term bonds, while funds and securities firms sold long - term interest - rate bonds, and rural commercial banks, insurance companies, and city commercial banks were the main buyers. The bond market's capital supply remained loose, and the overall spread of the curve widened [4][13] 3.2 Yield Curve - The yields of treasury bonds and China Development Bank bonds generally increased. For treasury bonds, the 1Y yield rose 2bp, 3Y fell 1bp, 5Y rose about 4bp, 7Y rose 5bp, 10Y rose 6bp, 15Y rose about 7bp, and 30Y rose 9bp. For China Development Bank bonds, the 1Y yield rose 3bp, 3Y rose 4bp, 5Y rose 8bp, 7Y rose 7bp, 10Y rose 8bp, 15Y rose 7bp, and 30Y rose 9bp [15] 3.3 Term Spread - For treasury bonds, the interest spread increased, and the term spread generally widened. For China Development Bank bonds, the interest - spread inversion deepened, and the short - end spread widened [16][19] Group 4: Bond Market Leverage and Funding 4.1 Leverage Ratio - The leverage ratio dropped to 107.22%. From August 11 to 15, it first increased and then decreased [20] 4.2 Repurchase Transactions - The average daily trading volume of pledged repurchase this week was 8.2 trillion yuan, with an average overnight proportion of 89.82%. The overnight trading volume increased by 0.03 trillion yuan month - on - month, and the overnight proportion decreased by 0.05pct [26][30] 4.3 Funding - Banks' fund lending first increased and then decreased. Big banks and policy banks' net lending on August 15 was 4.83 trillion yuan. The main fund borrowers were funds. DR007 fluctuated upward, and R007 continued to rise [32] Group 5: Duration of Medium - and Long - Term Bond Funds 5.1 Median Duration - The median duration of medium - and long - term bond funds remained at 2.81 years (de - leveraged) and 3.11 years (leveraged). On August 15, the de - leveraged median duration changed less than 0.01 year, and the leveraged median duration decreased by 0.02 years [44] 5.2 Duration by Bond - Fund Type - The median duration of interest - rate bond funds (leveraged) rose to 3.94 years, an increase of 0.02 years from last Friday. The median duration of credit - bond funds (leveraged) dropped to 2.86 years, a decrease of 0.03 years from last Friday [47] Group 6: Category Strategy Comparison 6.1 Sino - US Spread - The Sino - US treasury bond spreads generally widened. The 1Y spread widened by 2bp, 2Y by about 1bp, 3Y narrowed by 4bp, 5Y widened by about 3bp, 7Y widened by 1bp, 10Y changed less than 1bp, and 30Y widened by 2bp [52] 6.2 Implied Tax Rate - The implied tax rate generally widened. As of August 15, the 1Y spread between China Development Bank bonds and treasury bonds widened by about 2bp, 3Y by 5bp, 5Y by 3bp, 7Y by about 3bp, 10Y by 2bp, 15Y narrowed by 1bp, and 30Y changed less than 1bp [53] Group 7: Bond Lending Balance Changes - On August 15, the lending concentration of active 10Y treasury bonds and active 10Y China Development Bank bonds increased, while that of less - active 10Y treasury bonds, less - active 10Y China Development Bank bonds, and active 30Y treasury bonds decreased. By institution, the lending concentration of securities firms and other institutions increased, while that of big banks and small - and medium - sized banks decreased [54]

Report Information - Report Title: "Fixed Income Weekly: Have Large Banks Started Buying Long-Term Bonds? - Weekly Report on Bond Market Institutional Behavior (Week 1 of August)" [1] - Report Date: August 10, 2025 [2] - Chief Analyst: Yan Ziqi [3] - Analyst: Hong Ziyan [3] 1. Report Industry Investment Rating No industry investment rating information is provided in the report. 2. Report Core View - The bond market ran smoothly this week, with the 10-year Treasury yield slightly dropping to 1.69%, the funding rate staying around 1.42%, and the 5-year AAA medium - short note yield dropping to 1.91% [3][11] - Large banks continued to buy short - term bonds, and although they bought some long - term bonds, the volume was less than 10 billion yuan, so it's hard to say they have started buying long - term bonds. However, they have bought long - term local government bonds in multiple weeks since June, which may be related to duration balance and return requirements [3][4][12] - Funds further increased their purchases of credit bonds and Tier 2 capital bonds. With the easing of the funding situation, the bond market leverage ratio climbed, and there is still an opportunity for credit spreads to compress [4][13] 3. Summary by Directory 3.1 This Week's Institutional Behavior Review - **Yield Curve**: Treasury yields declined overall, with the 1Y yield down 2bp, 3Y down 3bp, 5Y down about 3bp, 7Y down 1bp, 10Y down 2bp, 15Y flat, and 30Y up 1bp. For CDB bonds, short - term yields declined and long - term yields increased, with the 1Y yield changing less than 1bp, 3Y down 1bp, 5Y down 1bp, 7Y changing less than 1bp, 10Y up 2bp, 15Y up 2bp, and 30Y up 1bp [14] - **Term Spread**: Treasury interest spreads rose, and the spreads widened overall; CDB bond interest spreads were stable, and the middle - term spreads widened [15][16][17] 3.2 Bond Market Leverage and Funding Situation - **Leverage Ratio**: It dropped to 107.51%. From August 4th to August 8th, it first decreased and then increased during the week. As of August 8th, it was about 107.51%, down 0.07 pct from last Friday and up 0.24 pct from Monday [21] - **Average Daily Turnover of Pledged Repurchase**: The average daily turnover of pledged repurchase this week was 8.1 trillion yuan, with the average daily overnight proportion at 89.87%. The average overnight turnover was 7.3 trillion yuan, up 1.53 trillion yuan month - on - month, and the overnight trading proportion was up 3.10 pct [27][28] - **Funding Situation**: Bank lending showed a fluctuating upward trend. As of August 8th, large and policy banks' net lending was 5.22 trillion yuan; joint - stock and urban/rural commercial banks' average daily net borrowing was 0.57 trillion yuan, and the net borrowing on August 8th was 0.74 trillion yuan. The net lending of the banking system was 4.47 trillion yuan. DR007 fluctuated upward, and R007 fluctuated downward [31] 3.3 Duration of Medium - and Long - Term Bond Funds - **Median Duration**: The median duration of medium - and long - term bond funds decreased to 2.81 years (de - leveraged) and 3.12 years (leveraged). On August 8th, the de - leveraged median duration was 2.81 years, down 0.02 years from last Friday; the leveraged median duration was 3.12 years, down 0.06 years from last Friday [45] - **Duration by Bond Fund Type**: The median duration (leveraged) of interest - rate bond funds decreased to 3.92 years, up 0.04 years from last Friday; the median duration (leveraged) of credit bond funds decreased to 2.89 years, down 0.07 years from last Friday. The de - leveraged median duration of interest - rate bond funds was 3.44 years, down 0.03 years from last Friday; the de - leveraged median duration of credit bond funds was 2.65 years, down 0.04 years from last Friday [48] 3.4 Category Strategy Comparison - **Sino - US Yield Spread**: It generally narrowed, with the 1Y narrowing by 8bp, 2Y by 10bp, 3Y by 6bp, 5Y by 9bp, 7Y by 7bp, 10Y by 6bp, and 30Y by 3bp [54] - **Implied Tax Rate**: It generally widened. As of August 8th, the CDB - Treasury spread widened by 2bp for 1Y, 2bp for 3Y, 1bp for 5Y, about 1bp for 7Y, 3bp for 10Y, about 2bp for 15Y, and less than 1bp for 30Y [55] 3.5 Bond Lending Balance Changes - On August 8th, the lending concentration of the active 10 - year Treasury bond increased, while the lending concentration trends of the second - active 10 - year Treasury bond, active 10 - year CDB bond, second - active 10 - year CDB bond, and active 30 - year Treasury bond declined. All institutions showed a decline [59]

Group 1 - The report highlights that the current net financing by major banks has reached an unprecedented level of 5.3 trillion yuan, which is historically high and linked to the central bank's liquidity support [2][12][16] - It notes that the trend of easing liquidity can be linearly extrapolated, and any disruption to this trend would require additional variables [3][13] - The report suggests that if the liquidity remains loose in July, the long-term interest rates may decline further, with the current 10Y-1Y yield spread at 30 basis points, the highest since mid-February [3][12][13] Group 2 - The report indicates that the leverage ratio in the bond market has risen to 107.85%, reflecting an increase in borrowing activity [23] - It mentions that the average daily transaction volume of pledged repos was approximately 7.6 trillion yuan, with overnight repos accounting for 89.71% of the total [27][31] - The report states that the median duration of medium- to long-term bond funds remains at 2.87 years, indicating stability in fund management strategies [49]

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - This week, the bond market had little overall fluctuation. After large - scale banks started buying short - term bonds and the central bank announced the outright reverse repurchase in June, the bond market sentiment heated up, and the yield curve steepened. The 1Y Treasury yield dropped about 5bp to 1.41%, and the 10Y Treasury yield dropped 2bp to 1.65% [2][11]. - There are three details worthy of attention in this week's institutional behavior and capital situation: large - scale banks' bond purchases are not concentrated on the short - end; there is a structural differentiation in banks' capital lending; short - term certificates of deposit may be more cost - effective [2][12]. - The short - term market may be more driven by sentiment. Three variables need to be concerned about in the future: the sustainability of large - scale banks' bond purchases, the capital market fluctuations in June under the lending stratification, and the benefits to certificates of deposit from increased institutional behavior [4][14]. 3. Summary According to the Directory 3.1 This Week's Institutional Behavior Review: Three Details of Large - Scale Banks Buying Short - Term Bonds 3.1.1 Yield Curve - Treasury and China Development Bank (CDB) bond yields generally declined. For Treasury bonds, the 1Y yield dropped 5bp, the 3Y yield dropped 4bp, the 5Y yield dropped 2bp, the 7Y yield dropped 3bp, the 10Y yield dropped 2bp, the 15Y yield dropped 2bp, and the 30Y yield dropped 2bp. For CDB bonds, the 1Y yield dropped 3bp, the 3Y yield dropped 3bp, the 5Y yield dropped 3bp, the 7Y yield dropped 2bp, the 10Y yield dropped 1bp, the 15Y yield dropped 1bp, and the 30Y yield dropped 2bp [14][15]. 3.1.2 Term Spread - For Treasury bonds, the spread trend was differentiated, with the short - term spread narrowing and the long - term spread widening. For CDB bonds, the spread inversion eased, and the medium - term spread widened. The long - and medium - term spreads between Treasury and CDB bonds widened [18][19]. 3.2 Bond Market Leverage and Capital Situation 3.2.1 Leverage Ratio - From June 3 to June 6, 2025, the leverage ratio fluctuated and rose. As of June 6, the leverage ratio was about 107.14%, up 0.36pct from last Friday and down 0.02pct from this Tuesday [22]. 3.2.2 Average Daily Turnover of Pledged Repurchase - The average daily turnover of pledged repurchase increased compared with last week. From June 3 to June 6, the average daily turnover of pledged repurchase was about 7.5 trillion yuan, up 1.0 trillion yuan from last week. The average overnight turnover accounted for 87.48%, up 3.61pct [29][30]. 3.2.3 Capital Situation - From June 3 to June 6, the capital lending of banks first rose and then fell. The net lending of large - scale and policy banks was 4.25 trillion yuan on June 6. The main capital borrowers were funds, and the lending of money market funds fluctuated and declined. DR007 fluctuated and declined, and R007 continued to decline [34]. 3.3 Duration of Medium - and Long - Term Bond Funds 3.3.1 Median Duration Dropped to 2.76 Years - This week (June 3 - June 6), the median duration of medium - and long - term bond funds was 2.76 years (de - leveraged) and 2.96 years (leveraged). On June 6, the median duration (de - leveraged) was 2.76 years, down 0.01 years from last Friday [45]. 3.3.2 Duration of Interest - Rate Bond Funds Dropped to 3.67 Years - The median duration (leveraged) of interest - rate bond funds dropped to 3.67 years, down 0.16 years from last Friday; the median duration (leveraged) of credit - bond funds rose to 2.71 years, down 0.02 years from last Friday [48]. 3.4 Comparison of Category Strategies 3.4.1 Sino - US Yield Spread - The overall inversion of the Sino - US Treasury yield spread deepened. The 1Y spread inversion deepened 8bp, the 2Y spread inversion deepened 17bp, the 3Y and 5Y spread inversions deepened 19bp, the 7Y spread inversion deepened 16bp, the 10Y spread inversion deepened 12bp, and the 30Y spread inversion deepened 7bp [54]. 3.4.2 Implied Tax Rate - As of June 6, the 1Y and 3Y spreads between CDB and Treasury bonds widened, the 5Y and 15Y spreads narrowed, and the 7Y spread widened, while the 10Y and 30Y spreads changed less than 1bp [55]. 3.5 Changes in Bond Lending Balance - On June 6, the lending concentration of the active 10Y Treasury and 10Y CDB bonds increased, while that of the less - active 10Y Treasury, less - active 10Y CDB, and active 30Y Treasury bonds decreased. Among institutions, only the lending balance of small - and medium - sized banks decreased, while the others increased [56].