Put-Call Ratio (Volume) (60-Day)

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

Align Technology, Inc. (ALGN) had 60-Day Put-Call Ratio (Volume) of 9.5370 for 2025-05-20.

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Figures for 2025-05-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5051
Historical Volatility (Parkinson)	0.5121
Implied Volatility (Calls)	0.3901
Implied Volatility (Puts)	0.3832
Implied Volatility (Mean)	0.3866
Put-Call Implied Volatility Ratio	0.9825
Implied Volatility Skew	0.0405
Option Statistics
Put-Call Ratio (Volume)	9.5370
Put-Call Ratio (Open Interest)	1.1024