1.5.3 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 ten 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, and
n denotes the given time period.