“Some economists, when thinking about long memory, are concerned that it undercuts the Efficient Market Hypothesis that prices fully reflect all relevant information; that the random walk is the best metaphor to describe such markets; and that you cannot beat such an unpredictable market. Well, the Efficient Market Hypothesis is no more than that, a hypothesis. Many a grand theory has died under the onslaught of real data.” Benoît B. Mandelbrot
19 June 2013
SP 500 and NDX Futures Daily Charts - VIX Sells Off With Stocks?
I thought it was kind of odd that as stocks were falling hard, so was the VIX, which is generally viewed as counter market 'insurance' to the downside.