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.

Alliant Energy Corporation (LNT) had 30-Day Put-Call Ratio (Open Interest) of 1.2830 for 2025-05-20.

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Figures for 2025-05-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2308
Historical Volatility (Parkinson)	0.2170
Implied Volatility (Calls)	0.2108
Implied Volatility (Puts)	0.2244
Implied Volatility (Mean)	0.2176
Put-Call Implied Volatility Ratio	1.0647
Implied Volatility Skew	0.0709
Option Statistics
Put-Call Ratio (Volume)	0.5000
Put-Call Ratio (Open Interest)	1.2830