Put-Call Ratio (Volume) (180-Day)

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

International Business Machines Corporation (IBM) had 180-Day Put-Call Ratio (Volume) of 0.2651 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4254
Historical Volatility (Parkinson)	0.3151
Implied Volatility (Calls)	0.4388
Implied Volatility (Puts)	0.4186
Implied Volatility (Mean)	0.4287
Put-Call Implied Volatility Ratio	0.9539
Implied Volatility Skew	0.0062
Option Statistics
Put-Call Ratio (Volume)	0.2651
Put-Call Ratio (Open Interest)	1.0398