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.

Axcelis Technologies, Inc. (ACLS) had 30-Day Put-Call Ratio (Volume) of 2.4117 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7985
Historical Volatility (Parkinson)	0.5875
Implied Volatility (Calls)	0.4818
Implied Volatility (Puts)	0.5016
Implied Volatility (Mean)	0.4917
Put-Call Implied Volatility Ratio	1.0410
Implied Volatility Skew	0.0663
Option Statistics
Put-Call Ratio (Volume)	2.4117
Put-Call Ratio (Open Interest)	0.3162