Put-Call Ratio (Volume) (90-Day)

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

Rio Tinto PLC (RIO) had 90-Day Put-Call Ratio (Volume) of 0.6229 for 2026-01-12.

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Figures for 2026-01-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2186
Historical Volatility (Parkinson)	0.1514
Implied Volatility (Calls)	0.3191
Implied Volatility (Puts)	0.2819
Implied Volatility (Mean)	0.3005
Put-Call Implied Volatility Ratio	0.8835
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.6229
Put-Call Ratio (Open Interest)	0.4670