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.

ONESPAN INC (OSPN) had 180-Day Put-Call Ratio (Volume) of 2.0000 for 2026-09-01.

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Figures for 2026-09-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3417
Historical Volatility (Parkinson)	0.3634
Implied Volatility (Calls)	0.5716
Implied Volatility (Puts)	0.5067
Implied Volatility (Mean)	0.5391
Put-Call Implied Volatility Ratio	0.8865
Implied Volatility Skew	0.0785
Option Statistics
Put-Call Ratio (Volume)	2.0000
Put-Call Ratio (Open Interest)	0.0084