Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Aclaris Therapeutics, Inc. (ACRS) had 20-Day Put-Call Ratio (Volume) of 0.0013 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1920
Historical Volatility (Parkinson)	0.9477
Implied Volatility (Calls)	2.2142
Implied Volatility (Puts)	1.5495
Implied Volatility (Mean)	1.8819
Put-Call Implied Volatility Ratio	0.6998
Implied Volatility Skew	0.4244
Option Statistics
Put-Call Ratio (Volume)	0.0013
Put-Call Ratio (Open Interest)	0.4806