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 13.4784 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1912
Historical Volatility (Parkinson)	0.9723
Implied Volatility (Calls)	2.3524
Implied Volatility (Puts)	2.7390
Implied Volatility (Mean)	2.5457
Put-Call Implied Volatility Ratio	1.1644
Implied Volatility Skew	0.1072
Option Statistics
Put-Call Ratio (Volume)	13.4784
Put-Call Ratio (Open Interest)	2.3126