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 0.7004 for 2026-06-04.

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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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Up to 20 years of data history
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Figures for 2026-06-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7403
Historical Volatility (Parkinson)	0.7004
Implied Volatility (Calls)	1.1860
Implied Volatility (Puts)	1.0612
Implied Volatility (Mean)	1.1236
Put-Call Implied Volatility Ratio	0.8948
Implied Volatility Skew	0.1914
Option Statistics
Put-Call Ratio (Volume)	1.6637
Put-Call Ratio (Open Interest)	0.5992