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.

Aldeyra Therapeutics, Inc. (ALDX) had 60-Day Put-Call Ratio (Volume) of 0.1116 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0536
Historical Volatility (Parkinson)	0.8576
Implied Volatility (Calls)	1.7283
Implied Volatility (Puts)	1.8724
Implied Volatility (Mean)	1.8004
Put-Call Implied Volatility Ratio	1.0834
Implied Volatility Skew	0.1536
Option Statistics
Put-Call Ratio (Volume)	0.1116
Put-Call Ratio (Open Interest)	0.2225