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.

Rambus, Inc. (RMBS) had 150-Day Put-Call Ratio (Volume) of 0.0865 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7162
Historical Volatility (Parkinson)	0.6151
Implied Volatility (Calls)	0.7455
Implied Volatility (Puts)	0.7798
Implied Volatility (Mean)	0.7626
Put-Call Implied Volatility Ratio	1.0460
Implied Volatility Skew	0.0203
Option Statistics
Put-Call Ratio (Volume)	0.0865
Put-Call Ratio (Open Interest)	0.4267