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 0.0000 for 2025-12-09.

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Figures for 2025-12-09

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2612
Historical Volatility (Parkinson)	0.2584
Implied Volatility (Calls)	0.3117
Implied Volatility (Puts)	0.2444
Implied Volatility (Mean)	0.2781
Put-Call Implied Volatility Ratio	0.7841
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1983