Put-Call Ratio (Volume) (180-Day)

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

Atour Lifestyle Holdings Limited Sponsored ADR (ATAT) 180-Day Put-Call Ratio (Volume) data is not available for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3908
Historical Volatility (Parkinson)	0.3671
Implied Volatility (Calls)	0.3970
Implied Volatility (Puts)	0.3607
Implied Volatility (Mean)	0.3788
Put-Call Implied Volatility Ratio	0.9086
Implied Volatility Skew	-0.0639
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1535