Put-Call Ratio (Open Interest) (90-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.

ResMed Inc. (RMD) had 90-Day Put-Call Ratio (Open Interest) of 0.8560 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2395
Historical Volatility (Parkinson)	0.2374
Implied Volatility (Calls)	0.3360
Implied Volatility (Puts)	0.3350
Implied Volatility (Mean)	0.3355
Put-Call Implied Volatility Ratio	0.9971
Implied Volatility Skew	0.0582
Option Statistics
Put-Call Ratio (Volume)	0.0143
Put-Call Ratio (Open Interest)	0.8560