Put-Call Ratio (Volume) (120-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

SELLAS Life Sciences Group, Inc. (SLS) had 120-Day Put-Call Ratio (Volume) of 0.0295 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0134
Historical Volatility (Parkinson)	1.0258
Implied Volatility (Calls)	1.2232
Implied Volatility (Puts)	1.7786
Implied Volatility (Mean)	1.5009
Put-Call Implied Volatility Ratio	1.4541
Implied Volatility Skew	-0.0340
Option Statistics
Put-Call Ratio (Volume)	0.0295
Put-Call Ratio (Open Interest)	0.0348