Put-Call Ratio (Volume) (120-Day)

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

ONESPAN INC (OSPN) had 120-Day Put-Call Ratio (Volume) of 0.0054 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3807
Historical Volatility (Parkinson)	0.3751
Implied Volatility (Calls)	0.4690
Implied Volatility (Puts)	0.5693
Implied Volatility (Mean)	0.5191
Put-Call Implied Volatility Ratio	1.2139
Implied Volatility Skew	0.0917
Option Statistics
Put-Call Ratio (Volume)	0.0054
Put-Call Ratio (Open Interest)	0.6949