Put-Call Ratio (Volume) (20-Day)

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

Bio-Rad Laboratories, Inc. (BIO) had 20-Day Put-Call Ratio (Volume) of 0.6071 for 2026-04-14.

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Figures for 2026-04-14

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3015
Historical Volatility (Parkinson)	0.2744
Implied Volatility (Calls)	0.4921
Implied Volatility (Puts)	0.5181
Implied Volatility (Mean)	0.5051
Put-Call Implied Volatility Ratio	1.0529
Implied Volatility Skew	0.1167
Option Statistics
Put-Call Ratio (Volume)	0.6071
Put-Call Ratio (Open Interest)	2.6361