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上海证券交易所于今年7月1日起正式对外发布上证180指数以取代原来的上证30指数。上证180指数是上证30指数的延续,基点为2002年6月28日上证30指数的收盘点数。新编制的上证180指数的样本数量扩大到180家,力求编制方法的科学性、成份选择的代表性以及成份的公开性,使其与上证指数系列相结合;同时,恢复和提升成分指数的市场代表性,使市场覆盖率达到50%以上的国际惯例水平,从总体上和各个不同侧面更全面地反映股价的走势,以满足投资者和研究者多角度观察股市的需要。
Shanghai Stock Exchange officially released the SSE 180 Index on July 1 this year to replace the original SSE 30 index. The SSE 180 Index is a continuation of the SSE 30 Index. The base point is the closing price of the SSE 30 Index on June 28, 2002. The sample size of the newly-created SSE 180 Index has been expanded to 180 to seek to formulate the methodology of the methodology, the representativeness of the selection of ingredients and the openness of the constituents to combine them with the SSE Index Series; meanwhile, recover and upgrade the market for the constituent index Representation, the international practice level that the market coverage rate reaches above 50% reflects the trend of the stock price more generally on the whole and various sides, in order to satisfy the investors and researchers' needs to observe the stock market from many aspects.