Put-Call Ratio (Volume) (150-Day)

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

Ballard Power Systems, Inc. (BLDP) had 150-Day Put-Call Ratio (Volume) of 0.0833 for 2026-03-05.

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Figures for 2026-03-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5668
Historical Volatility (Parkinson)	0.6202
Implied Volatility (Calls)	1.0237
Implied Volatility (Puts)	0.9968
Implied Volatility (Mean)	1.0103
Put-Call Implied Volatility Ratio	0.9738
Implied Volatility Skew	0.0144
Option Statistics
Put-Call Ratio (Volume)	0.0833
Put-Call Ratio (Open Interest)	0.2568