Put-Call Ratio (Volume) (150-Day)

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

Information Services Group, Inc. (III) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3987
Historical Volatility (Parkinson)	0.3777
Implied Volatility (Calls)	0.6066
Implied Volatility (Puts)	0.7547
Implied Volatility (Mean)	0.6807
Put-Call Implied Volatility Ratio	1.2441
Implied Volatility Skew	0.1671
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0308