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.

Transocean Ltd. (RIG) had 30-Day Put-Call Ratio (Volume) of 0.5706 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6129
Historical Volatility (Parkinson)	0.5032
Implied Volatility (Calls)	0.5738
Implied Volatility (Puts)	0.5633
Implied Volatility (Mean)	0.5686
Put-Call Implied Volatility Ratio	0.9815
Implied Volatility Skew	0.0161
Option Statistics
Put-Call Ratio (Volume)	0.5706
Put-Call Ratio (Open Interest)	0.6461