Put-Call Ratio (Volume) (30-Day)

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

Ciena Corporation (CIEN) had 30-Day Put-Call Ratio (Volume) of 0.3117 for 2025-11-11.

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Figures for 2025-11-11

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4363
Historical Volatility (Parkinson)	0.4627
Implied Volatility (Calls)	0.7310
Implied Volatility (Puts)	0.7386
Implied Volatility (Mean)	0.7348
Put-Call Implied Volatility Ratio	1.0104
Implied Volatility Skew	0.0130
Option Statistics
Put-Call Ratio (Volume)	0.3117
Put-Call Ratio (Open Interest)	0.2677