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.

ONESPAN INC (OSPN) had 30-Day Put-Call Ratio (Volume) of 0.8265 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3294
Historical Volatility (Parkinson)	0.3141
Implied Volatility (Calls)	0.8218
Implied Volatility (Puts)	0.6556
Implied Volatility (Mean)	0.7387
Put-Call Implied Volatility Ratio	0.7978
Implied Volatility Skew	0.3433
Option Statistics
Put-Call Ratio (Volume)	0.8265
Put-Call Ratio (Open Interest)	1.0668