Put-Call Ratio (Volume) (180-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

ASE Technology Holding Co., Ltd. (ASX) had 180-Day Put-Call Ratio (Volume) of 0.1196 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4341
Historical Volatility (Parkinson)	0.3190
Implied Volatility (Calls)	0.6104
Implied Volatility (Puts)	0.6069
Implied Volatility (Mean)	0.6087
Put-Call Implied Volatility Ratio	0.9944
Implied Volatility Skew	0.0048
Option Statistics
Put-Call Ratio (Volume)	0.1196
Put-Call Ratio (Open Interest)	0.1270