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.

Quantum-Si Incorporated (QSI) had 120-Day Put-Call Ratio (Volume) of 1.0682 for 2026-06-03.

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Figures for 2026-06-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9059
Historical Volatility (Parkinson)	0.7850
Implied Volatility (Calls)	1.4880
Implied Volatility (Puts)	1.8747
Implied Volatility (Mean)	1.6813
Put-Call Implied Volatility Ratio	1.2599
Implied Volatility Skew	0.2203
Option Statistics
Put-Call Ratio (Volume)	1.0682
Put-Call Ratio (Open Interest)	0.0086