Put-Call Ratio (Volume) (180-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 180-Day Put-Call Ratio (Volume) of 0.2346 for 2026-09-01.

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Figures for 2026-09-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3271
Historical Volatility (Parkinson)	0.1911
Implied Volatility (Calls)	0.3425
Implied Volatility (Puts)	0.3060
Implied Volatility (Mean)	0.3242
Put-Call Implied Volatility Ratio	0.8933
Implied Volatility Skew	0.0212
Option Statistics
Put-Call Ratio (Volume)	0.2346
Put-Call Ratio (Open Interest)	0.5853