Put-Call Ratio (Volume) (150-Day)

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

Heartflow, Inc. (HTFL) 150-Day Put-Call Ratio (Volume) data is not available for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7525
Historical Volatility (Parkinson)	0.7018
Implied Volatility (Calls)	0.7956
Implied Volatility (Puts)	0.8323
Implied Volatility (Mean)	0.8139
Put-Call Implied Volatility Ratio	1.0461
Implied Volatility Skew	0.0128
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.5773