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# Annualised Returns

The annualised rate of return (ARR) is geometric, time-weighted, and calculated by compounding index-level period returns. The measure gives an equal weight to each period.  $//$ is reported in various horizons: the current quarter, one, three, five and 10 years, and the rate since inception of the index.

where:

$//$ is the annualised rate of return for a given period of time n.
$//$ denotes the quarterly Total Investment Return of the index.
n denotes the given time period.

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