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.

Iridium Communications Inc (IRDM) had 90-Day Put-Call Ratio (Open Interest) of 0.2745 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4464
Historical Volatility (Parkinson)	0.4109
Implied Volatility (Calls)	0.5237
Implied Volatility (Puts)	0.4961
Implied Volatility (Mean)	0.5099
Put-Call Implied Volatility Ratio	0.9474
Implied Volatility Skew	0.0682
Option Statistics
Put-Call Ratio (Volume)	0.7860
Put-Call Ratio (Open Interest)	0.2745