上证17-50年国债指数报313.82点

Core Viewpoint - The Shanghai Composite Index opened high and showed an upward trend, while the Shanghai 17-50 Year Government Bond Index reported at 313.82 points [1]. Group 1: Index Performance - The Shanghai 17-50 Year Government Bond Index has decreased by 2.58% over the past month, 1.25% over the past three months, and 0.32% year-to-date [2]. - This 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 [2]. Group 2: Bond Rating Distribution - The Shanghai 17-50 Year Government Bond Index consists entirely of unrated bonds, with a 100.00% holding in this category [3]. - The index samples are adjusted monthly, with the effective date for adjustments being the first trading day of each month, and data cutoff for adjustments being the trading day before the effective date [3].