Put-Call Ratio (Volume) (20-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 20-Day Put-Call Ratio (Volume) of 3.1337 for 2026-03-05.

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Figures for 2026-03-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6350
Historical Volatility (Parkinson)	0.9608
Implied Volatility (Calls)	1.2158
Implied Volatility (Puts)	1.3658
Implied Volatility (Mean)	1.2908
Put-Call Implied Volatility Ratio	1.1234
Implied Volatility Skew	-0.0555
Option Statistics
Put-Call Ratio (Volume)	3.1337
Put-Call Ratio (Open Interest)	0.0988