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.

Twist Bioscience Corporation (TWST) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7005
Historical Volatility (Parkinson)	0.6399
Implied Volatility (Calls)	0.8143
Implied Volatility (Puts)	0.8283
Implied Volatility (Mean)	0.8213
Put-Call Implied Volatility Ratio	1.0171
Implied Volatility Skew	0.0231
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2515