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Data:2009-12-12 2:34
By the Shanghai Stock Exchange and Shenzhen Stock Exchange, prepared jointly by the Shanghai and Shenzhen 300 Index will be held April 8, 2005 released.
Shanghai and Shenzhen 300 Index Abbreviations: CSI 300;
Index Code:
SSE 000300
Shenzhen 399.3 thousand.
Shanghai and Shenzhen 300 Index is December 31, 2004 as the base date, base date starting at 1,000 points.
The Shanghai and Shenzhen 300 index, the Shanghai and Shenzhen stock markets, select a sample of 300 A shares, including Shanghai stock market there are 179, 121 in Shenzhen.
Sample selection criteria for the large scale, liquidity and good stocks.
Shanghai and Shenzhen 300 index of the sample covers the Shanghai and Shenzhen market, the market value of about Liu Cheng has a good representative of the market.
The birth of the Shanghai and Shenzhen 300 Index
Launched in 1998 - 2001 SSE the first research program - the coordination of Shanghai and Shenzhen Stock Exchange to jointly develop the SFC - 2003 to reach a consensus - detail design --
3005 years of April 8 officially launched
Shanghai and Shenzhen 300 Index methodology
The establishment of the Shanghai and Shenzhen 300 index objective is to reflect the changes in China's stock market overview stock price and operating conditions and can be used as the evaluation of investment performance standards for indexing and index derivatives product innovation and investment in the infrastructure.
Index constituent stocks of the sampling space: traded for more than one quarter; non-ST, * ST stocks, non-suspension of listed stocks; companies doing well in the past year no major law violations, financial reporting no major problems; stock prices free obvious abnormal fluctuation or market manipulation; Excluding Other experts have determined that can not enter the index stocks. Sampling criteria for the selection of large scale, liquidity, good stocks as a sample unit.
Sampling method for the first calculation of the sample space stock in the past year (for the listing of new shares), since the average daily total market capitalization, average daily circulation of market capitalization, average daily number of shares in circulation, average daily turnover and the average daily number of shares traded five indicators, then the proportion of these indicators by 2:2:2:2:1 weighted average, and then calculate the results from high to low sort, select among the top 300 stocks.
Index to adjust the share capital of the weights used to send Xu-weighted composite price index formulas. Among them, adjust the share capital under the classification obtained through files. For example, a certain percentage of the outstanding shares of stock (outstanding capital stock / total capital) was 7%, less than 20%, then the weights used for the circulation of capital; a stock distribution ratio of 35%, falling interval (30,40), the corresponding The weighted proportion of 40%, will be 40% of the total share capital as weights.
Index constituent stocks in principle, be adjusted once every six months, usually early in January and early July the implementation of adjustment, adjustment programs, announced two weeks in advance. The proportion of each of the adjustments does not exceed 10%. Sample buffer to adjust settings, ranking in the 240 new samples within the preferential access, behind the old sample of 360 before the priority reservation. The most recent financial report stock losses, in principle, samples of the new election, unless the impact of stock index representation.