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.

Rigel Pharmaceuticals, Inc. (RIGL) had 30-Day Put-Call Ratio (Volume) of 0.1156 for 2026-08-21.

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Figures for 2026-08-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4757
Historical Volatility (Parkinson)	0.5169
Implied Volatility (Calls)	0.5122
Implied Volatility (Puts)	0.5617
Implied Volatility (Mean)	0.5369
Put-Call Implied Volatility Ratio	1.0968
Implied Volatility Skew	-0.0890
Option Statistics
Put-Call Ratio (Volume)	0.1156
Put-Call Ratio (Open Interest)	0.2887