The USD/KRW exchange rate closed regular trading on August 25 at 1,386.1 won, up 3.7 won from the previous session, after opening at 1,380.3 won and falling to 1,378.9 won as semiconductor exporters sold dollars for month-end negotiations. Bargain hunting and genuine dollar demand in the upper 1,370 range then supported a rebound, with the pair reaching 1,386.2 won in afternoon trading. The dollar was supported overnight by safe-haven demand linked to U.S.-Canada trade tensions and expanded U.S. sanctions on Iran, while lower oil prices and U.S. Treasury yields limited gains. WTI crude fell 2.35%, the U.S. 10-year Treasury yield declined to 4.698%, and the 30-year yield fell to 5.228% amid reports that the Treasury General Account could fund long-term Treasury buybacks. The move followed an August 24 decline to a 13-month intraday low, as exporters increased dollar selling and importer bargain hunting weakened. KB Kookmin Bank economists said the pair could approach the 1,360 range or, under stronger overshooting, 1,345–1,350 won, although breaking below 1,350 may be difficult. The Dollar Index held at 98.86, while the won-yen cross fell below 870 won per 100 yen. Gold futures rose above $4,700 an ounce, and markets are expected to remain volatile ahead of the U.S. July PCE price index on August 26 and Federal Reserve Chair Kevin Warsh's Jackson Hole speech on August 27.