Put-Call Ratio (Open Interest) (30-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 30-Day Put-Call Ratio (Open Interest) of 0.0100 for 2026-01-07.

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Figures for 2026-01-07

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2490
Historical Volatility (Parkinson)	0.2673
Implied Volatility (Calls)	0.3526
Implied Volatility (Puts)	0.3529
Implied Volatility (Mean)	0.3528
Put-Call Implied Volatility Ratio	1.0010
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0100