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.

Arqit Quantum Inc. (ARQQ) had 20-Day Put-Call Ratio (Volume) of 0.4226 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7901
Historical Volatility (Parkinson)	0.7506
Implied Volatility (Calls)	0.9499
Implied Volatility (Puts)	0.9879
Implied Volatility (Mean)	0.9689
Put-Call Implied Volatility Ratio	1.0399
Implied Volatility Skew	-0.0216
Option Statistics
Put-Call Ratio (Volume)	0.4226
Put-Call Ratio (Open Interest)	0.9414