Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

KeyCorp (KEY) had 30-Day Put-Call Ratio (Open Interest) of 1.0894 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2066
Historical Volatility (Parkinson)	0.2228
Implied Volatility (Calls)	0.2851
Implied Volatility (Puts)	0.2920
Implied Volatility (Mean)	0.2886
Put-Call Implied Volatility Ratio	1.0244
Implied Volatility Skew	-0.0292
Option Statistics
Put-Call Ratio (Volume)	2.2125
Put-Call Ratio (Open Interest)	1.0894