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.

nLight (LASR) had 30-Day Historical Volatility (Parkinson) of 0.5636 for 2025-08-28.

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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 2025-08-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9589
Historical Volatility (Parkinson)	0.5636
Implied Volatility (Calls)	0.5771
Implied Volatility (Puts)	0.5744
Implied Volatility (Mean)	0.5758
Put-Call Implied Volatility Ratio	0.9954
Implied Volatility Skew	0.0331
Option Statistics
Put-Call Ratio (Volume)	1.1633
Put-Call Ratio (Open Interest)	0.4874