Group 1 - The market is sensitive to seasonal fluctuations in liquidity during June, with concerns about cross-quarter funding pressures potentially leading to increased interest rate volatility [1] - The central bank's recent operations indicate a clear intention to maintain reasonable liquidity, conducting two reverse repurchase operations this month to alleviate concerns about a "liquidity crunch" [1] - Short- and medium-term bonds have performed well, leading to a decline in long-term interest rates, while bond funds are adopting a strategy of extending duration to lock in higher yields during the interest rate downcycle [1] Group 2 - Future market developments will depend on several factors, including the actual performance of funding rates in the last few trading days of June and early July, which will validate the central bank's supportive measures [2] - The market will also monitor whether institutions continue to extend duration and if the consensus expectations can be sustained [2] - The timing of the central bank's announcement to restart bond purchases is crucial; if short-term benefits do not materialize as expected, the bond market may face a correction similar to the first quarter [2]

Report Overview - Report Title: "Fixed Income Weekly: Bond Market Investors Shift from Bullish Sentiment to Active Buying - Weekly Report on Bond Market Institutional Behavior (Week 3 of June)" [1] - Report Date: June 15, 2025 [2] - Chief Analyst: Yan Ziqi [3] - Research Assistant: Hong Ziyan [4] Industry Investment Rating - Not provided in the report. Core Views - The bond market is experiencing a bullish and active buying trend due to three marginal changes: optimistic market sentiment, increased long - term positions and leverage by institutions, and favorable fundamental data. However, there are also three points to note, including low return odds, risks associated with extending duration, and the need to monitor signals of loose monetary policy [6]. Summary by Directory 1. This Week's Institutional Behavior Review - **Three Marginal Changes in the Bond Market** - Bond market sentiment is approaching the most optimistic level of the year [14]. - Institutions are not only bullish but also actively buying. Near the end of the half - year, the duration of medium - and long - term bond funds has increased, and funds are buying long - term bonds and increasing their purchases of medium - term notes [14]. - The overall leverage ratio of the bond market is rising and has exceeded last year's level. The liquidity in June is not tight, which has spurred institutions to increase leverage [6]. - **Three Points to Note** - In the environment of extending duration and increasing leverage, the return odds are low. The current yield curve is extremely flat, and the space for long - term bonds to reach historical lows is small [6]. - Extending duration presents both opportunities and risks. Although it is a way for institutions to seek higher returns, historical data shows that the bond market in June is often volatile [7]. - Large banks' preference for short - term bonds has become a trend. Attention should be paid to subsequent signals of loose monetary policy [16]. 1.1 Yield Curve - **Treasury Bonds**: Yields generally declined. The 1Y, 3Y, 5Y, 7Y, 10Y yields declined by 1bp, and the 15Y and 30Y yields declined by 3bp. The 1Y yield dropped to the 8% quantile, while 3Y, 5Y, 7Y, 10Y, 15Y, and 30Y dropped to the 2% quantile [17]. - **China Development Bank Bonds**: Short - term yields rose slightly, while long - term yields declined. The 15Y yield declined by 3bp, and the 30Y yield declined by 4bp. The 1Y, 3Y, 5Y, 7Y, and 10Y yields were at different quantiles [18]. 1.2 Term Spreads - **Treasury Bonds**: The spreads showed a divergent trend, with short - term spreads widening and long - term spreads narrowing. The 1Y - DR001 spread increased by 1bp, and the 1Y - DR007 spread's inversion deepened by about 1bp [19]. - **China Development Bank Bonds**: The spread inversion eased, and long - term spreads narrowed. The 1Y - DR007 spread's inversion eased by 3bp [20]. 2. Bond Market Leverage and Liquidity - **Leverage Ratio**: It rose to 107.51%. From June 9 to June 13, 2025, the leverage ratio fluctuated upward. As of June 13, it increased by 0.37 percentage points compared to last Friday [23]. - **Average Daily Turnover of Pledged Repurchase**: The average daily turnover this week was 7.9 trillion yuan, with an average overnight proportion of 89.39%. The average daily turnover increased compared to last week [30]. - **Liquidity**: Bank lending showed a fluctuating upward trend. DR007 fluctuated downward, while R007 fluctuated upward [35]. 3. Duration of Medium - and Long - Term Bond Funds - **Median Duration**: It rose to 2.78 years (ex - leverage) and 2.96 years (including leverage). As of June 13, the ex - leverage median duration increased by 0.02 years compared to last Friday [45]. - **Duration by Bond Fund Type**: The median duration of interest - rate bond funds (including leverage) remained at 3.67 years, while the median duration of credit bond funds (including leverage) rose to 2.73 years [48]. 4. Comparison of Generic Strategies - **Sino - US Yield Spread**: The overall inversion has eased. The inversion of 1Y, 2Y, 3Y, 5Y, 7Y, 10Y, and 30Y has decreased by 4bp, 7bp, 11bp, 11bp, 10bp, 9bp, and 4bp respectively [52]. - **Implied Tax Rate**: It has generally widened. The spreads between China Development Bank bonds and treasury bonds for 1Y, 3Y, 5Y, 7Y, and 10Y have widened, while the 15Y spread changed slightly and the 30Y spread narrowed [53]. 5. Changes in Bond Lending Balances - On June 13, the lending concentration of active 10Y treasury bonds, the second - most active 10Y China Development Bank bonds, active 10Y China Development Bank bonds, and active 30Y treasury bonds showed an upward trend, while the concentration of the second - most active 10Y treasury bonds declined. All institutions showed an upward trend [58].