Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 1.8372 for 2025-12-12.

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Figures for 2025-12-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3191
Historical Volatility (Parkinson)	0.3213
Implied Volatility (Calls)	0.4132
Implied Volatility (Puts)	0.4010
Implied Volatility (Mean)	0.4071
Put-Call Implied Volatility Ratio	0.9705
Implied Volatility Skew	0.0327
Option Statistics
Put-Call Ratio (Volume)	1.8372
Put-Call Ratio (Open Interest)	1.0191