Put-Call Ratio (Volume) (10-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 10-Day Put-Call Ratio (Volume) of 0.4649 for 2025-10-10.

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Figures for 2025-10-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2274
Historical Volatility (Parkinson)	0.1859
Implied Volatility (Calls)	0.3179
Implied Volatility (Puts)	0.3185
Implied Volatility (Mean)	0.3182
Put-Call Implied Volatility Ratio	1.0018
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.4649
Put-Call Ratio (Open Interest)	0.8822