Implied Volatility Skew (180-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

NiSource, Inc (NI) had 180-Day Implied Volatility Skew of 0.0646 for 2026-08-20.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1919
Historical Volatility (Parkinson)	0.1851
Implied Volatility (Calls)	0.2264
Implied Volatility (Puts)	0.2235
Implied Volatility (Mean)	0.2250
Put-Call Implied Volatility Ratio	0.9870
Implied Volatility Skew	0.0646
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	1.3436