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.

Siga Technologies Inc. (SIGA) had 30-Day Put-Call Ratio (Open Interest) of 0.0797 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4113
Historical Volatility (Parkinson)	0.3598
Implied Volatility (Calls)	1.2323
Implied Volatility (Puts)	1.1670
Implied Volatility (Mean)	1.1997
Put-Call Implied Volatility Ratio	0.9471
Implied Volatility Skew	0.5972
Option Statistics
Put-Call Ratio (Volume)	0.6667
Put-Call Ratio (Open Interest)	0.0797