Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Transocean Ltd. (RIG) had 20-Day Put-Call Ratio (Open Interest) of 0.1378 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6702
Historical Volatility (Parkinson)	0.5417
Implied Volatility (Calls)	0.5473
Implied Volatility (Puts)	0.5666
Implied Volatility (Mean)	0.5570
Put-Call Implied Volatility Ratio	1.0353
Implied Volatility Skew	-0.0440
Option Statistics
Put-Call Ratio (Volume)	0.1957
Put-Call Ratio (Open Interest)	0.1378