Put-Call Ratio (Open Interest) (150-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.

Alliant Energy Corporation (LNT) had 150-Day Put-Call Ratio (Open Interest) of 0.0703 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1464
Historical Volatility (Parkinson)	0.1443
Implied Volatility (Calls)	0.1988
Implied Volatility (Puts)	0.2245
Implied Volatility (Mean)	0.2117
Put-Call Implied Volatility Ratio	1.1298
Implied Volatility Skew	0.0318
Option Statistics
Put-Call Ratio (Volume)	1.5000
Put-Call Ratio (Open Interest)	0.0703