SK Hynix ADR Rebounds 3.8% After 14% Plunge
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- SK Hynix ADRs rose 3.8% to $158.22 in early Friday trading, the biggest gainer among large semiconductor companies, recovering from a 14% drop the prior session.
- SK Hynix has been notably volatile since its blockbuster Nasdaq ADR listing, with Korean retail investors piling in using leveraged exchange-traded funds.
- SK Hynix ADRs traded at a 27% premium to the underlying South Korean shares, implying a $1,567.90 share price for the company — driven by the size of the U.S. investor base and obstacles to converting between the two instruments.
- South Korea's market was closed for a holiday Friday, letting U.S. investors bargain-hunt in the ADRs without concerns about overnight domestic price action.
- SK Hynix's forward P/E of 5.71x sits below Micron Technology's 5.93x as of Thursday's close, per FactSet, supporting Barron's view that the ADRs are a cheaper way to play the memory-chip boom than Micron.
- SK Hynix shares have risen nearly 600% in South Korea over the past 12 months, per the article's caption data.
Why it matters: The 27% ADR premium and Korean leveraged-ETF-driven volatility create a two-tier market where U.S. investors pay a markup for the same underlying shares, and price swings get amplified on both sides of the Pacific rather than reflecting purely fundamental moves.

