上证7-50年国债指数报270.59点

Core Viewpoint - The Shanghai 7-50 Year Government Bond Index has shown a decline in recent months, indicating a potential trend in the bond market performance [2]. Group 1: Index Performance - The Shanghai 7-50 Year Government Bond Index reported a value of 270.59 points as of August 19 [1]. - The index has decreased by 2.49% over the past month, 1.43% over the last three months, and 0.78% year-to-date [2]. Group 2: Index Composition and Adjustments - The index consists entirely of unrated bonds, with a 100.00% allocation to such securities [3]. - The index samples are adjusted monthly, with the adjustment effective on the first trading day of each month, and data for adjustments is collected up to the trading day before the effective date [3].