Put-Call Ratio (Open Interest) (150-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Bio-Rad Laboratories, Inc. (BIO) had 150-Day Put-Call Ratio (Open Interest) of 0.0686 for 2026-02-25.

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Figures for 2026-02-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3777
Historical Volatility (Parkinson)	0.3391
Implied Volatility (Calls)	0.4118
Implied Volatility (Puts)	0.4042
Implied Volatility (Mean)	0.4080
Put-Call Implied Volatility Ratio	0.9815
Implied Volatility Skew	0.0528
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0686