Put-Call Ratio (Volume) (60-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 60-Day Put-Call Ratio (Volume) of 0.1111 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9406
Historical Volatility (Parkinson)	0.7133
Implied Volatility (Calls)	0.9041
Implied Volatility (Puts)	0.9400
Implied Volatility (Mean)	0.9220
Put-Call Implied Volatility Ratio	1.0397
Implied Volatility Skew	0.0153
Option Statistics
Put-Call Ratio (Volume)	0.1111
Put-Call Ratio (Open Interest)	0.3802