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.
Guinness Atkinson Asia Pacific Dividend Builder ETF (ADIV) had 10-Day Historical Volatility (Parkinson) of 0.1384 for 2026-01-20.
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