Zoom Technologies Inc. (ZTNO)

Last Closing Price: --

Historical Volatility (Close-to-Close) (30-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Zoom Technologies Inc. (ZTNO) had 30-Day Historical Volatility (Close-to-Close) of 6.4833 for 2014-10-08.