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.

Apellis Pharmaceuticals, Inc. (APLS) 30-Day Put-Call Ratio (Volume) data is not available for 2025-10-17.

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Figures for 2025-10-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4832
Historical Volatility (Parkinson)	0.4033
Implied Volatility (Calls)	0.7611
Implied Volatility (Puts)	0.7587
Implied Volatility (Mean)	0.7599
Put-Call Implied Volatility Ratio	0.9968
Implied Volatility Skew	-0.0096
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--