Put-Call Ratio (Open Interest) (120-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 120-Day Put-Call Ratio (Open Interest) of 0.2728 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4511
Historical Volatility (Parkinson)	0.4054
Implied Volatility (Calls)	0.5326
Implied Volatility (Puts)	0.5056
Implied Volatility (Mean)	0.5191
Put-Call Implied Volatility Ratio	0.9493
Implied Volatility Skew	0.0536
Option Statistics
Put-Call Ratio (Volume)	0.5796
Put-Call Ratio (Open Interest)	0.2728