Can you tell just by watching and listening if higher market volatility tends to correspond to popular music that is steadier, and vice versa? Or is it a phenomenon that can only be tracked quantitatively?
The top left chart shows the movement of the S&P 500 for a rolling one year period. The bottom two charts show the time series and histogram of daily returns for the period -- the more vertical lines there are on the bottom left chart, the more volatile the market was at that time. On the top right is a music video for each year chosen to be representative of the rank of that year's average beat variance.
For more info see http://papers.ssrn.com/abstract=1295584
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