Put-Call Ratio (Open Interest) (120-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.

CMS Energy Corporation (CMS) had 120-Day Put-Call Ratio (Open Interest) of 0.6709 for 2026-02-25.

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Figures for 2026-02-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1562
Historical Volatility (Parkinson)	0.1626
Implied Volatility (Calls)	0.1787
Implied Volatility (Puts)	0.1551
Implied Volatility (Mean)	0.1669
Put-Call Implied Volatility Ratio	0.8680
Implied Volatility Skew	0.0202
Option Statistics
Put-Call Ratio (Volume)	0.2500
Put-Call Ratio (Open Interest)	0.6709