Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Chunghwa Telecom Co., Ltd. (CHT) 180-Day Put-Call Ratio (Open Interest) data is not available for 2026-01-08.

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Figures for 2026-01-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1166
Historical Volatility (Parkinson)	0.1133
Implied Volatility (Calls)	0.2419
Implied Volatility (Puts)	0.2658
Implied Volatility (Mean)	0.2538
Put-Call Implied Volatility Ratio	1.0989
Implied Volatility Skew	0.0514
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--