Historical Volatility (Parkinson) (20-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.
Viomi Technology Co., Ltd. Sponsored ADR (VIOT) had 20-Day Historical Volatility (Parkinson) of 0.7368 for 2026-01-20.
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