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.

Rio Tinto PLC (RIO) had 30-Day Put-Call Ratio (Volume) of 0.5783 for 2026-04-13.

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Figures for 2026-04-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3419
Historical Volatility (Parkinson)	0.2201
Implied Volatility (Calls)	0.3210
Implied Volatility (Puts)	0.3184
Implied Volatility (Mean)	0.3197
Put-Call Implied Volatility Ratio	0.9919
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.5783
Put-Call Ratio (Open Interest)	1.1166