Put-Call Ratio (Open Interest) (20-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.

FuelCell Energy, Inc. (FCEL) had 20-Day Put-Call Ratio (Open Interest) of 0.2114 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7974
Historical Volatility (Parkinson)	0.6887
Implied Volatility (Calls)	0.8721
Implied Volatility (Puts)	0.8214
Implied Volatility (Mean)	0.8468
Put-Call Implied Volatility Ratio	0.9419
Implied Volatility Skew	-0.1781
Option Statistics
Put-Call Ratio (Volume)	0.0525
Put-Call Ratio (Open Interest)	0.2114