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.

Alpha Tau Medical Ltd. (DRTS) had 20-Day Put-Call Ratio (Volume) of 0.4325 for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5148
Historical Volatility (Parkinson)	0.4943
Implied Volatility (Calls)	--
Implied Volatility (Puts)	0.8250
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.4325
Put-Call Ratio (Open Interest)	0.1916