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.

nLight (LASR) had 10-Day Historical Volatility (Parkinson) of 0.6780 for 2026-01-20.

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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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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2110
Historical Volatility (Parkinson)	0.6780
Implied Volatility (Calls)	0.7182
Implied Volatility (Puts)	0.7099
Implied Volatility (Mean)	0.7141
Put-Call Implied Volatility Ratio	0.9884
Implied Volatility Skew	0.0467
Option Statistics
Put-Call Ratio (Volume)	0.7922
Put-Call Ratio (Open Interest)	0.1723