Put-Call Ratio (Volume) (30-Day)

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

Arch Capital Group Ltd. (ACGL) had 30-Day Put-Call Ratio (Volume) of 3.3171 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1773
Historical Volatility (Parkinson)	0.1705
Implied Volatility (Calls)	0.2505
Implied Volatility (Puts)	0.1893
Implied Volatility (Mean)	0.2199
Put-Call Implied Volatility Ratio	0.7558
Implied Volatility Skew	0.0168
Option Statistics
Put-Call Ratio (Volume)	3.3171
Put-Call Ratio (Open Interest)	1.4268