上证7-50年国债指数报275.95点

Group 1 - The Shanghai Composite Index opened lower but rose throughout the day, with the Shanghai 7-50 Year Government Bond Index reported at 275.95 points [1] - The Shanghai 7-50 Year Government Bond Index has decreased by 0.76% over the past month, down 0.31% over the last three months, and has increased by 1.19% year-to-date [1] - The index reflects the market performance of corresponding maturity government bonds listed on the Shanghai Stock Exchange, with a base date of December 31, 2007, set at 100.0 points [1] Group 2 - The Shanghai 7-50 Year Government Bond Index consists entirely of unrated bonds, with a 100.00% allocation to such securities [2] - The sample for 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 next trading day after their listing [2]