Index: Difference between revisions
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imported>Doug Williamson m (Spacing 27/8/13) |
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1. A number showing the variation in price of a group of securities with respect to a chosen base period. | 1. | ||
A number showing the variation in price of a group of securities with respect to a chosen base period. | |||
Indices may be calculated as arithmetical or geometric averages and individual components may be weighted, for example by market capitalisation. | Indices may be calculated as arithmetical or geometric averages and individual components may be weighted, for example by market capitalisation. | ||
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For example the FTSE 100 or the S&P 500. | For example the FTSE 100 or the S&P 500. | ||
2. A comparable measure in relation to any set of data. For example, inflation indices. | |||
2. | |||
A comparable measure in relation to any set of data. For example, inflation indices. | |||
== See also == | == See also == | ||
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* [[Statistics]] | * [[Statistics]] | ||
* [[Tracker fund]] | * [[Tracker fund]] | ||
Revision as of 08:18, 27 August 2013
1.
A number showing the variation in price of a group of securities with respect to a chosen base period.
Indices may be calculated as arithmetical or geometric averages and individual components may be weighted, for example by market capitalisation.
For example the FTSE 100 or the S&P 500.
2.
A comparable measure in relation to any set of data. For example, inflation indices.
