SK hynix ADR trades about 50% above Seoul shares as Korean investors buy the U.S. listing

The SK hynix ADR traded at a premium of about 50.7% to the Seoul shares on September 14, based on Seoul Economic Daily's calculation. The Seoul stock closed at 1,697,000 won, down 6.35% that day. Korean investors bought a net $713.85 million of ADRs from the July listing through September 11, while retail investors were net sellers of Seoul shares. Because one ADR is one-tenth of a common share, it is cheaper per unit for smaller investors.

• ADR premium to Seoul shares: about 50.7%
• Seoul close: 1,697,000 won, down 6.35%
• Net Korean buying of ADRs: $713.85M through Sept 11
• Retail net selling of Seoul shares: 5.97T won over the same period