Put-Call Ratio (Volume) (180-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 180-Day Put-Call Ratio (Volume) of 3.4383 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0994
Historical Volatility (Parkinson)	1.0310
Implied Volatility (Calls)	2.0706
Implied Volatility (Puts)	2.0803
Implied Volatility (Mean)	2.0755
Put-Call Implied Volatility Ratio	1.0047
Implied Volatility Skew	-0.0323
Option Statistics
Put-Call Ratio (Volume)	3.4383
Put-Call Ratio (Open Interest)	0.8915