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 1.2642 for 2025-05-21.

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Figures for 2025-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5209
Historical Volatility (Parkinson)	0.4824
Implied Volatility (Calls)	0.5106
Implied Volatility (Puts)	0.5143
Implied Volatility (Mean)	0.5124
Put-Call Implied Volatility Ratio	1.0073
Implied Volatility Skew	0.0603
Option Statistics
Put-Call Ratio (Volume)	1.2642
Put-Call Ratio (Open Interest)	0.4118