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.

Amkor Technology, Inc. (AMKR) had 90-Day Put-Call Ratio (Volume) of 0.3700 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6976
Historical Volatility (Parkinson)	0.5405
Implied Volatility (Calls)	0.6685
Implied Volatility (Puts)	0.6682
Implied Volatility (Mean)	0.6683
Put-Call Implied Volatility Ratio	0.9996
Implied Volatility Skew	-0.0110
Option Statistics
Put-Call Ratio (Volume)	0.3700
Put-Call Ratio (Open Interest)	0.2895