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Price indices are represented as index numbers, number values that indicate relative change but not absolute values (i.e. one price index value can be compared to another or a base, but the number alone has no meaning). Price indices generally select a base year and make that index value equal to 100.
Price evolution of the PSI-20 between 1992 and 2012. The PSI-20 was initiated on 31 December 1992 with a base value of 3,000 index points. [4] The index experienced considerably more volatility than the world's main financial markets between 1998 and 2000, [5] caused by uncertainty in the world's emerging markets: [6] a sharp increase of over 50% in the PSI-20's value in the first four months ...
This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12] The use of the Marshall-Edgeworth index can be problematic in cases such as a comparison of the price level of a large country to a small one.
Annual reports are intended to give shareholders and other interested people information about the company's activities and financial performance. They may be considered as grey literature. Most jurisdictions require companies to prepare and disclose annual reports, and many require the annual report to be filed at the company's registry.
SSE Composite Index (上证综指) SZSE Component Index (深证成指) CSI 300 Index (沪深300指数) SSE 50 Index (上证50指数) SSE 180 Index (上证180指数) SZSE 100 Index (深证100指数) SZSE 200 Index (深证200指数) SZSE 300 Index (深证300指数) CSI 100 Index (中证100指数)
Sample of a well maintained data [clarification needed] In statistics and research design , an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators .
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