Put-Call Ratio (Open Interest) (120-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.

SK Telecom Co., Ltd. (SKM) had 120-Day Put-Call Ratio (Open Interest) of 0.5833 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2348
Historical Volatility (Parkinson)	0.1100
Implied Volatility (Calls)	0.4538
Implied Volatility (Puts)	0.4847
Implied Volatility (Mean)	0.4693
Put-Call Implied Volatility Ratio	1.0683
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.5833