Historical Volatility (Close-to-Close) (150-Day)

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Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Acadian Asset Management Inc. (AAMI) had 150-Day Historical Volatility (Close-to-Close) of 0.3760 for 2025-06-13.

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Figures for 2025-06-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3760
Historical Volatility (Parkinson)	0.3482
Implied Volatility (Calls)	0.2826
Implied Volatility (Puts)	0.4126
Implied Volatility (Mean)	0.3476
Put-Call Implied Volatility Ratio	1.4600
Implied Volatility Skew	0.0659
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1613

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