Put-Call Ratio (Volume) (180-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Clean Energy Fuels Corp. (CLNE) had 180-Day Put-Call Ratio (Volume) of 77.4181 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4539
Historical Volatility (Parkinson)	0.4549
Implied Volatility (Calls)	0.6728
Implied Volatility (Puts)	0.6467
Implied Volatility (Mean)	0.6597
Put-Call Implied Volatility Ratio	0.9613
Implied Volatility Skew	0.0513
Option Statistics
Put-Call Ratio (Volume)	77.4181
Put-Call Ratio (Open Interest)	5.2760