Group 1 - The core viewpoint indicates that May's inflation and export data are weak, leading to a continued loose state of interbank liquidity and a slight decline in government bond yields [1] - The U.S. inflation weakening and cooling employment have expanded expectations for Federal Reserve interest rate cuts, resulting in a significant decline in U.S. Treasury yields [1] - The 10-year Treasury yield is at 1.64%, with a change of -1.1 basis points from the previous week [1] Group 2 - There is an increasing probability of global economic recession risks due to uncertainties in the global macro environment and the Federal Reserve's monetary policy [1] - Domestic monetary policy easing is less than expected, leading to risks of rising funding prices, while the implementation of domestic growth stabilization policies is also below expectations, resulting in declining financing demand [1] - The intensification of overseas geopolitical conflicts contributes to a complex and severe global political situation, with ongoing deterioration and expansion of geopolitical tensions [1] Group 3 - The 10-year Treasury ETF (511260) employs an optimized sampling replication strategy to closely track the Shanghai Stock Exchange 10-year Treasury Index, selecting highly liquid government bonds to construct its portfolio [1] - The current average duration of the portfolio is 7.6 years, and it publishes a daily PCF list, ensuring transparency in holdings, making it suitable for medium to long-term investors seeking stable returns [1]

Quantitative Models and Construction 1. Model Name: Portfolio Optimization with 10-Year Treasury Bonds - **Model Construction Idea**: Incorporating 10-year Treasury bonds into a portfolio to optimize the risk-return profile by leveraging their low correlation with other asset classes and high Sharpe ratio[10][13][14] - **Model Construction Process**: 1. Calculate the correlation matrix between 10-year Treasury bonds and other asset classes such as A-shares, U.S. equities, and gold[13] 2. Evaluate historical performance metrics, including annualized return, volatility, maximum drawdown, Sharpe ratio, and Calmar ratio for each asset[14] 3. Add 10-year Treasury bonds to a portfolio consisting of equities and short-term bonds (e.g., CSI 300, ChiNext, 1-3 year Treasury bonds) 4. Optimize the portfolio's efficient frontier by maximizing the Sharpe ratio[15] - **Model Evaluation**: The inclusion of 10-year Treasury bonds significantly improves the portfolio's efficient frontier, enhancing the risk-return tradeoff[10][15] --- Quantitative Factors and Construction 1. Factor Name: Macro Cycle-Based Bond Performance Factor - **Factor Construction Idea**: Assessing the performance of 10-year Treasury bonds under different macroeconomic cycles to identify favorable investment periods[16][18] - **Factor Construction Process**: 1. Divide the macroeconomic environment into six stages based on monetary, credit, and growth factors[16] 2. Calculate the annualized return of 10-year Treasury bonds in each macroeconomic stage[18] 3. Use a macroeconomic scoring card to evaluate the bond's performance probability in the current stage[18] - **Factor Evaluation**: The factor indicates that 10-year Treasury bonds perform best during the late stages of economic downturns, with a recent macroeconomic probability score of 40%[16][18] --- Backtesting Results of Models and Factors 1. Portfolio Optimization with 10-Year Treasury Bonds - **Annualized Return**: 4.51%[14] - **Annualized Volatility**: 2.31%[14] - **Maximum Drawdown**: 6.86%[14] - **Sharpe Ratio**: 1.95[14] - **Calmar Ratio**: 0.66[14] 2. Macro Cycle-Based Bond Performance Factor - **Recent Macro Probability Score**: 40%[18]

Group 1 - The central bank has conducted a 1 trillion yuan three-month reverse repurchase operation to alleviate pressure on bank liabilities and improve market liquidity [1] - From March, the monthly issuance scale of 1-year, 2-year, and 3-year government bonds has rapidly increased to 170-190 billion yuan, significantly higher than the previous monthly level of about 100 billion yuan, easing the demand for banks to "grab bonds" in the secondary market [1] - The central bank's recent warming attitude, through visible medium to long-term fund injections and stabilizing market fluctuations, is expected to lead major banks to gradually increase short-term bond allocations, promoting interest rate spread recovery [1] Group 2 - The ten-year government bond ETF (511260) has seen significant growth in scale and liquidity, with a net inflow exceeding 2.2 billion yuan for five consecutive days and nearly 5 billion yuan over the past ten days [2] - The ETF tracks the Shanghai Stock Exchange 10-year government bond index (H11077), which reflects the overall performance of China's long-term government bond market, focusing on fixed-rate government bonds with a remaining maturity of 9 to 10.25 years [2] - The index components have high credit ratings and liquidity, providing investors with a benchmark for measuring long-term government bond market yield fluctuations [2]