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.

Spok Holdings, Inc. (SPOK) 30-Day Put-Call Ratio (Volume) data is not available for 2026-06-04.

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Figures for 2026-06-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2515
Historical Volatility (Parkinson)	0.2355
Implied Volatility (Calls)	0.5530
Implied Volatility (Puts)	0.6444
Implied Volatility (Mean)	0.5987
Put-Call Implied Volatility Ratio	1.1653
Implied Volatility Skew	0.0194
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	2.7733