Group 1 - The Shanghai Composite Index opened lower and saw an expanded decline, while the ChiNext Index reversed its early 1% gain, indicating a clear "stock-bond seesaw" effect [1] - China's official manufacturing PMI for July was reported at 49.3, a decrease of 0.4 percentage points month-on-month, indicating a decline in manufacturing sentiment [1] - Huachuang Securities believes that there are no signs of a trend reversal in the economic fundamentals, and the central bank's stance remains supportive, suggesting no trend adjustment risk in the bond market [1] Group 2 - The Credit Bond ETF (511200) includes large-scale, AAA-rated bonds listed on the Shanghai Stock Exchange, with 245 underlying bonds covering a maturity range of 0-30 years, reflecting a comprehensive yield curve [2] - The Science and Technology Innovation Bond ETF (551550) selects AAA-rated and above bonds from technology innovation companies listed on the Shanghai and Shenzhen exchanges, indicating a strong quality of underlying assets, with state-owned enterprises accounting for about 99% of the issuance [2]

Core Viewpoint - The bond market experienced significant volatility on the 25th, characterized by a "roller coaster" trading pattern, indicating a divergence in future expectations among market participants [1][2][3]. Group 1: Market Performance - On the 25th, all maturities of government bond futures opened significantly higher, peaked, then fell to a new low before recovering to near the opening price by midday [2][4]. - The trading volume of major contracts surged, with the 30-year contract rising by 0.69% to a volume of 99,500 contracts, the 10-year contract up by 0.25% to 156,000 contracts, and the 5-year contract increasing by 0.16% to 125,000 contracts [4]. - The 10-year government bond yield reached a new high of 1.779% during the day but later retraced all gains, reflecting market instability [4]. Group 2: Market Expectations - The significant increase in trading volume indicates a stark division in expectations regarding future interest rates and macroeconomic conditions, with both bullish and bearish positions being taken [4][6]. - The DR007 (7-day repo rate) rose to 2.21%, while the 10-year government bond yield hovered around 1.76%, indicating a notable inversion that complicates leveraged strategies for bond bulls [6]. - A report from CITIC Securities suggests that if the 10-year yield exceeds the resistance level of 1.65%, it could trigger increased selling pressure as many funds may enter a loss position [6]. Group 3: Market Sentiment and Analysis - Nearly 40% of fixed-income sell-side analysts have shifted their outlook to bearish, citing that current economic conditions do not support further monetary easing by the central bank [7]. - Analysts believe that the prolonged tightness in funding conditions may lead to a reassessment of the bond market's attractiveness, especially as stock markets show potential for higher returns [9][10]. - Despite the current tightening, some analysts maintain that long-term monetary easing remains a likely scenario, suggesting that the pressure on the bond market may be limited in the near term [10].