Historical Volatility (Parkinson) (150-Day)
Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.
Andatee China Marine Fuel Services Corp. (AMCF) had 150-Day Historical Volatility (Parkinson) of 1.7736 for 2015-09-01.
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