Historical Volatility (Parkinson) (30-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.

51Talk Online Education Group Sponsored ADR (COE) had 30-Day Historical Volatility (Parkinson) of 0.6001 for 2025-05-22.

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Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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52-Week Rank and Percentile for all metrics and time frames

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Figures for 2025-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4711
Historical Volatility (Parkinson)	0.6001
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--