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Data:2009-12-12 2:34
Market indexes are usually investors as a "vane." So, what is the preparation and calculation of indexes out?
Compiled and published by the Shanghai Stock Exchange, the Shanghai Composite Index Series, including the SSE 180 Index, SSE 50 Index, the Shanghai Composite Index, A Share Index, B Share Index, classification index, bond index fund index. The indices a whole and in all different aspects of species reflects the SSE's listed securities price movements, may reflect the situation in different sectors of the economy and the price of the overall change in status, in order to provide investors with different investment portfolio analysis frame of reference.
Among them, the first release on the Shanghai Composite Index, SSE is based on all the stocks listed on the calculation, to a circulation of weights of the weighted Composite Stock Price Index. The index since July 15, 1991 began real-time, the base date set on December 19, 1990, the base day index set at 100 points.
The Shenzhen Stock Exchange A comprehensive reflection of all the shares and B shares listed on stock price movements of the Shenzhen Composite Index, is also based on a circulation of weights of the weighted Composite Stock Price Index. This index is April 3, 1991 as the base date, base day index set at 100 points.
Currently often used to describe the trend of Shenzhen, Shenzhen, constituent stocks of the stock market index, is from all of the shares listed in Shenzhen to extract a representative in the market shares of 40 listed companies, calculated on an object, and to the right of the number of shares outstanding calculated as the weighted stock price index, a combination of the Shenzhen Stock Exchange listed A, B shares stock prices. The index obtained July 20, 1994 as the base date, base day index as 1,000 points. Component index January 23, 1995 began trial release, May 5, 1995 was officially opened.
Shanghai, Shenzhen index series are used to send Xu-weighted composite price index formula, and conduct "real-time transaction-" basis. Specifically, this: In each trading day after the call auction with a call auction opening price generated by the stock (non-transaction by taking the previous day's closing price) index calculated opened, after a new deal for every, we re-calculated once index Up close, real-time dissemination.
April 8, 2005, China's stock market gave birth to the first cross-market index CSI 300 Index. The index by the Shanghai and Shenzhen stock markets selected sample of 300 A shares as compiled, to December 31, 2004 as the base date, base date starting at 1,000 points.