Zoom Technologies Inc. (ZTNO)

Last Closing Price: --

Historical Volatility (Parkinson) (10-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.

Zoom Technologies Inc. (ZTNO) had 10-Day Historical Volatility (Parkinson) of 3.2520 for 2014-10-08.