科创板50指数高开低走，一度涨超1%，关注科创板50ETF（588080）等产品投资机会

Group 1 - The core index is composed of 50 stocks from the Sci-Tech Innovation Board, characterized by high growth rates in revenue and net profit, with a significant focus on high-growth industries, particularly electronics and biopharmaceuticals, which together account for nearly 75% of the index [3] - As of the latest midday close, the index has experienced a decline of 2.1% [3] - The rolling price-to-earnings (P/E) ratio of the index stands at 221.5 times, indicating a high valuation relative to earnings [3] Group 2 - The index was officially launched on July 23, 2020, with subsequent indices, including the Sci-Tech Innovation Board 100 Index and the Comprehensive Index, introduced on August 7, 2023, and January 20, 2025, respectively [3] - The rolling P/E ratio is calculated as total market value divided by the net profit over the last four quarters, making it suitable for industries with relatively stable earnings and less cyclical impact [3] - The valuation percentile indicates the proportion of historical rolling P/E ratios that are lower than the current rolling P/E, providing insight into relative valuation [3]