Put-Call Ratio (Volume) (60-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 60-Day Put-Call Ratio (Volume) of 0.0480 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9536
Historical Volatility (Parkinson)	0.9409
Implied Volatility (Calls)	2.1199
Implied Volatility (Puts)	2.0628
Implied Volatility (Mean)	2.0913
Put-Call Implied Volatility Ratio	0.9731
Implied Volatility Skew	-0.2244
Option Statistics
Put-Call Ratio (Volume)	0.0480
Put-Call Ratio (Open Interest)	0.3849