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Where do I find "official" index return numbers and how are they calculated?

Discussion in 'Beginner's Lounge' started by EMP, Jan 31, 2014.

  1. EMP

    EMP

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    I'd like to find the annual returns of, say, the All Ordinaries index (or Small Ordinaries). Firstly, what's a free, reliable source of this data? Secondly, how exactly are these returns calculated?

    You know, when a fund manager says "our fund returned x%, while All Ordinaries returned y% in 2013" - where do they get the All Ordinaries number? Or do they all calculate it themselves?

    It seems like such a trivial thing to do yourself, but the results vary wildly. When I calculate the returns myself based on Yahoo Finance data and compare that what Google Finance shows I get drastically different values. If I look at something like this AMP PDF the values are different again. Neither Google nor Yahoo nor AMP say anything about how they come up with that % number.
     
    Last edited by a moderator: Dec 25, 2016
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