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Howell - 1872-2020 SP500 index, ratio of opening price to semi-log detrended price
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#] 1872-2020 SP500 index : a [time, mind]-bending perspective
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#] Table of Contents
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#] Key [results, comments]
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#] Standard & Poor's index of stock market prices for 500 large capitalisation companies (SP500) from 1872 through 2020 is shown in the semi-log plot below. Two "eyeballed" linear trend lines are shown for the periods [1872-1926, 1926-2020].
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#]  and (1926-2020).png)
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#] Play with the [time, mind]-bending perspective yourself
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#] 17Sep2020 initial posting
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