Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 0.4063 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3588
Historical Volatility (Parkinson)	0.3268
Implied Volatility (Calls)	0.4323
Implied Volatility (Puts)	0.4448
Implied Volatility (Mean)	0.4386
Put-Call Implied Volatility Ratio	1.0287
Implied Volatility Skew	0.0377
Option Statistics
Put-Call Ratio (Volume)	0.4063
Put-Call Ratio (Open Interest)	0.5179