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.

AXT Inc (AXTI) had 150-Day Put-Call Ratio (Volume) of 0.0039 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.6018
Historical Volatility (Parkinson)	1.4683
Implied Volatility (Calls)	1.9446
Implied Volatility (Puts)	1.9411
Implied Volatility (Mean)	1.9428
Put-Call Implied Volatility Ratio	0.9982
Implied Volatility Skew	-0.0046
Option Statistics
Put-Call Ratio (Volume)	0.0039
Put-Call Ratio (Open Interest)	0.3889