Guanwei Recycling Corp. (GPRC)

Last Closing Price: --

Historical Volatility (Parkinson) (60-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.

Guanwei Recycling Corp. (GPRC) had 60-Day Historical Volatility (Parkinson) of 1.7285 for 2014-10-07.