Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 10.7420 for 2026-10-09.

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Figures for 2026-10-09

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3055
Historical Volatility (Parkinson)	0.1751
Implied Volatility (Calls)	0.3586
Implied Volatility (Puts)	0.3082
Implied Volatility (Mean)	0.3334
Put-Call Implied Volatility Ratio	0.8594
Implied Volatility Skew	0.0406
Option Statistics
Put-Call Ratio (Volume)	10.7420
Put-Call Ratio (Open Interest)	0.8415