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Re: 1vman post# 39564

Thursday, 08/06/2015 10:23:58 PM

Thursday, August 06, 2015 10:23:58 PM

Post# of 57542
Over the last 30 trading days the mean logarithmic returns were approximately 1%. Given the standard deviation (volatility) over the same period, one can easily compute that today's move was about a 1.46 standard deviation event. That is, only about 14% of all observations are expected to be outside of this range (i.e. it was a rather strong move). I think this is a pretty objective observation. EDXC