Put-Call Ratio (Volume) (90-Day)

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

Sigma Lithium Corporation (SGML) had 90-Day Put-Call Ratio (Volume) of 0.4588 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.3041
Historical Volatility (Parkinson)	0.9457
Implied Volatility (Calls)	1.1693
Implied Volatility (Puts)	1.1143
Implied Volatility (Mean)	1.1418
Put-Call Implied Volatility Ratio	0.9530
Implied Volatility Skew	0.0175
Option Statistics
Put-Call Ratio (Volume)	0.4588
Put-Call Ratio (Open Interest)	0.5372