Put-Call Ratio (Volume) (30-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Allison Transmission Holdings, Inc. (ALSN) had 30-Day Put-Call Ratio (Volume) of 2.4902 for 2026-02-19.

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Figures for 2026-02-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1850
Historical Volatility (Parkinson)	0.2152
Implied Volatility (Calls)	0.4347
Implied Volatility (Puts)	0.4455
Implied Volatility (Mean)	0.4401
Put-Call Implied Volatility Ratio	1.0250
Implied Volatility Skew	0.0281
Option Statistics
Put-Call Ratio (Volume)	2.4902
Put-Call Ratio (Open Interest)	5.0862