Tuesday, September 30, 2008

9.66 Standard Deviation Drops Like Whoa!



So I ran some numbers and it looks like the Daily Historical Volatility of the S&P 500 is about 0.91% (This is based on daily prices from today to back in 1950). Today we dropped 8.79%..... This is about 9.66 standard deviations.... in a single day..... so much for Bell Curves =p

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