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.

Fabrinet (FN) had 20-Day Historical Volatility (Parkinson) of 0.4444 for 2026-10-02.

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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 2026-10-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5838
Historical Volatility (Parkinson)	0.4444
Implied Volatility (Calls)	0.6043
Implied Volatility (Puts)	0.5704
Implied Volatility (Mean)	0.5874
Put-Call Implied Volatility Ratio	0.9438
Implied Volatility Skew	0.0131
Option Statistics
Put-Call Ratio (Volume)	2.5632
Put-Call Ratio (Open Interest)	0.9756