Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 0.1429 for 2026-10-02.

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Figures for 2026-10-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3238
Historical Volatility (Parkinson)	0.3314
Implied Volatility (Calls)	0.3477
Implied Volatility (Puts)	0.3709
Implied Volatility (Mean)	0.3593
Put-Call Implied Volatility Ratio	1.0666
Implied Volatility Skew	-0.0054
Option Statistics
Put-Call Ratio (Volume)	0.1429
Put-Call Ratio (Open Interest)	0.3296