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Won Rebounds to Low‑1,400s as SK hynix Dollar Flows Bolster Currency

Large corporate dollar conversions, softer U.S. data and coordinated yen support have pushed the won higher and helped lift Korean stocks while leaving the currency vulnerable to renewed swings.

A sign shows the exchange rates of the South Korean won against other currencies at a foreign exchange booth in Myeongdong in Seoul on Aug. 9, 2026. (Yonhap)
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KRX activates buy-side sidecar for KOSPI on sharp rise - 1
This photo shows a financial data screen in the dealing room of Hana Bank in Seoul on Aug. 12, 2026. (Yonhap)

Overview

  • The South Korean won climbed from mid‑July weakness into the low‑1,400s between Aug. 10 and Aug. 12 after large dollar sales tied to SK hynix’s U.S. depositary receipt listing were converted into won.
  • Foreign net selling of Korean equities fell sharply from June to July, reducing earlier dollar demand and allowing corporate and export dollar inflows to have a bigger effect on the exchange rate.
  • Stronger semiconductor export receipts and a record current‑account surplus have added steady dollar supply to Korea’s markets, reinforcing the won while boosting major chip stocks like Samsung Electronics and SK hynix.
  • Global factors that weakened the dollar—weaker U.S. employment data and a U.S.‑Japan effort to support the yen—also helped the won, but traders warn that the currency remains highly volatile and sensitive to Wednesday’s U.S. CPI and future corporate flows.
  • Structural inflows from Korea’s April entry into the World Government Bond Index plus large corporate conversions explain the recent move, and the shift could lower import costs for households but make exporters and some market players face renewed exchange‑rate uncertainty.