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.

Aldeyra Therapeutics, Inc. (ALDX) had 30-Day Put-Call Ratio (Volume) of 0.5270 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6219
Historical Volatility (Parkinson)	0.5535
Implied Volatility (Calls)	3.0321
Implied Volatility (Puts)	2.6787
Implied Volatility (Mean)	2.8554
Put-Call Implied Volatility Ratio	0.8834
Implied Volatility Skew	0.3748
Option Statistics
Put-Call Ratio (Volume)	0.5270
Put-Call Ratio (Open Interest)	0.8350