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.

Sanofi (SNY) had 10-Day Historical Volatility (Parkinson) of 0.1415 for 2026-09-04.

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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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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0984
Historical Volatility (Parkinson)	0.1415
Implied Volatility (Calls)	0.2432
Implied Volatility (Puts)	0.2323
Implied Volatility (Mean)	0.2378
Put-Call Implied Volatility Ratio	0.9554
Implied Volatility Skew	0.0139
Option Statistics
Put-Call Ratio (Volume)	1.6119
Put-Call Ratio (Open Interest)	0.7417