Put-Call Ratio (Volume) (20-Day)

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

SK Telecom Co., Ltd. (SKM) had 20-Day Put-Call Ratio (Volume) of 0.0979 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3790
Historical Volatility (Parkinson)	0.2786
Implied Volatility (Calls)	0.5687
Implied Volatility (Puts)	0.5537
Implied Volatility (Mean)	0.5612
Put-Call Implied Volatility Ratio	0.9735
Implied Volatility Skew	-0.0396
Option Statistics
Put-Call Ratio (Volume)	0.0979
Put-Call Ratio (Open Interest)	0.2186