Put-Call Ratio (Volume) (120-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 120-Day Put-Call Ratio (Volume) of 0.0053 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8577
Historical Volatility (Parkinson)	0.6345
Implied Volatility (Calls)	0.9117
Implied Volatility (Puts)	0.9081
Implied Volatility (Mean)	0.9099
Put-Call Implied Volatility Ratio	0.9961
Implied Volatility Skew	-0.0032
Option Statistics
Put-Call Ratio (Volume)	0.0053
Put-Call Ratio (Open Interest)	0.3364