SK Telecom ADR slides as “Anthropic proxy” trade fades after recent surge

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SK Telecom’s U.S.-listed ADRs fell 3.01% to $36.69 as investors cooled on the recent “Anthropic stake” trade that helped drive a sharp run-up earlier in April. The pullback also comes as the company continues to face ongoing uncertainty tied to its data-breach penalty dispute and related costs.

1) What’s moving the stock

SK Telecom (SKM) fell about 3% in U.S. trading, with the tape resembling a classic giveback after a fast, sentiment-driven run. In recent weeks, the ADR has been treated by some traders as a liquid proxy for private-market excitement around AI startup Anthropic; when that trade cools, SKM can move lower even without company-specific headlines.

2) The AI “proxy” narrative is volatile

SK Telecom’s minority stake in Anthropic has periodically dominated price action, creating bursts of upside followed by sharp pullbacks when the market recalibrates how much of that private valuation should be credited to SK Telecom’s equity. The result is a higher-beta trading pattern than many investors expect from a mature telecom, especially on days when broader AI sentiment softens or the “proxy” bid fades.

3) Background overhang: data-breach penalty dispute

Beyond the AI narrative, SK Telecom still carries an overhang from its dispute with South Korea’s privacy regulator over a record fine tied to a past data breach. Legal proceedings and remediation-related spending can keep uncertainty elevated around cash costs, headline risk, and the sustainability of shareholder-return expectations.