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.

Applied Optoelectronics, Inc. (AAOI) had 150-Day Put-Call Ratio (Volume) of 0.2352 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1234
Historical Volatility (Parkinson)	0.9761
Implied Volatility (Calls)	1.0459
Implied Volatility (Puts)	1.0565
Implied Volatility (Mean)	1.0512
Put-Call Implied Volatility Ratio	1.0102
Implied Volatility Skew	0.0291
Option Statistics
Put-Call Ratio (Volume)	0.2352
Put-Call Ratio (Open Interest)	0.3675