Put-Call Ratio (Open Interest) (10-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

AtaiBeckley Inc (ATAI) had 10-Day Put-Call Ratio (Open Interest) of 0.2099 for 2026-09-03.

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Figures for 2026-09-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0957
Historical Volatility (Parkinson)	0.0965
Implied Volatility (Calls)	--
Implied Volatility (Puts)	0.9629
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	7.9079
Put-Call Ratio (Open Interest)	0.2099