Historical Volatility (Parkinson) (90-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.

MicroStrategy Incorporated (MSTR) had 90-Day Historical Volatility (Parkinson) of 0.8734 for 2025-05-05.

For much more extensive volatility insights, check out our new product VolVue:

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 2025-05-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0723
Historical Volatility (Parkinson)	0.8734
Implied Volatility (Calls)	0.7872
Implied Volatility (Puts)	0.7804
Implied Volatility (Mean)	0.7838
Put-Call Implied Volatility Ratio	0.9914
Implied Volatility Skew	0.0103
Option Statistics
Put-Call Ratio (Volume)	0.3388
Put-Call Ratio (Open Interest)	0.6961