Put-Call Ratio (Open Interest) (30-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.

Disc Medicine, Inc. (IRON) had 30-Day Put-Call Ratio (Open Interest) of 0.9554 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6133
Historical Volatility (Parkinson)	0.6687
Implied Volatility (Calls)	1.2555
Implied Volatility (Puts)	1.1952
Implied Volatility (Mean)	1.2253
Put-Call Implied Volatility Ratio	0.9519
Implied Volatility Skew	0.1052
Option Statistics
Put-Call Ratio (Volume)	1.1765
Put-Call Ratio (Open Interest)	0.9554