Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 21.7143 for 2026-01-06.

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Figures for 2026-01-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2725
Historical Volatility (Parkinson)	0.2510
Implied Volatility (Calls)	0.5330
Implied Volatility (Puts)	0.5438
Implied Volatility (Mean)	0.5384
Put-Call Implied Volatility Ratio	1.0203
Implied Volatility Skew	0.0390
Option Statistics
Put-Call Ratio (Volume)	21.7143
Put-Call Ratio (Open Interest)	0.5787