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 0.6549 for 2026-07-10.

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Figures for 2026-07-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3435
Historical Volatility (Parkinson)	0.1863
Implied Volatility (Calls)	0.3508
Implied Volatility (Puts)	0.3593
Implied Volatility (Mean)	0.3551
Put-Call Implied Volatility Ratio	1.0241
Implied Volatility Skew	0.0199
Option Statistics
Put-Call Ratio (Volume)	0.6549
Put-Call Ratio (Open Interest)	0.6801