Put-Call Ratio (Volume) (10-Day)

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

BlackBerry Limited (BB) had 10-Day Put-Call Ratio (Volume) of 1.1494 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9228
Historical Volatility (Parkinson)	0.7513
Implied Volatility (Calls)	0.8617
Implied Volatility (Puts)	0.9010
Implied Volatility (Mean)	0.8813
Put-Call Implied Volatility Ratio	1.0456
Implied Volatility Skew	-0.0537
Option Statistics
Put-Call Ratio (Volume)	1.1494
Put-Call Ratio (Open Interest)	0.3953