Put-Call Ratio (Open Interest) (20-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-Techne Corp (TECH) had 20-Day Put-Call Ratio (Open Interest) of 27.5332 for 2026-04-16.

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Figures for 2026-04-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2429
Historical Volatility (Parkinson)	0.3866
Implied Volatility (Calls)	0.7148
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0271
Put-Call Ratio (Open Interest)	27.5332