上证17-50年国债指数报318.51点

Group 1 - The Shanghai Composite Index decreased by 0.37%, while the Shanghai 17-50 Year Government Bond Index reported at 318.51 points [1] - The Shanghai 17-50 Year Government Bond Index fell by 0.63% over the past month and by 0.78% over the past three months, but has increased by 1.17% year-to-date [1] - The index reflects the market performance of government bonds with corresponding maturities listed on the Shanghai Stock Exchange, with a base date of December 31, 2007, set at 100.0 points [1] Group 2 - The Shanghai 17-50 Year Government Bond Index consists entirely of unrated bonds, with a 100.00% allocation to such securities [2] - The sample of the index is adjusted monthly, with adjustments taking effect on the first trading day of each month, and data for adjustments is collected up to the last trading day before the effective date [2] - In the case of temporary adjustments, newly issued bonds that meet the criteria will enter the index starting from the day after their listing [2]