South Korea & United States — United States Department of the Treasury
35 shared events · Importance 7 · Last updated Aug 24, 2026
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International
South Korea: Reportedly coordinated with Japan in selling dollars to support the won, indicating broader regional cooperation in currency stabilization.
United States — United States Department of the Treasury: Executed the intervention by selling euros for yen, a rare move, and signaled support for Japan, but its actions may be constrained by domestic inflation concerns.
Jul 30, 2026 · 162 articles
Domestic
South Korea: Kospi surges 6% on tech rally and Treasury move.
United States — United States Department of the Treasury: Central actor; announced doubling of buyback operations to $4 billion per operation, aiming to lower long-term yields. The move was seen as interventionist and raised concerns about fiscal credibility.
Aug 19, 2026 · 127 articles
Business
South Korea: South Korea's stock market, particularly the KOSPI, experienced significant gains due to strong performance in its technology sector, driven by companies like Samsung Electronics and SK Hynix, and the broader AI boom.
United States — United States Department of the Treasury: The yield on the 10-year United States — United States Department of the Treasury>>> fell, easing pressure on Wall Street due to lower oil prices.
May 20, 2026 · 72 articles
International
South Korea: South Korea said it will maintain close communication with the U.S. to preserve trade benefits, noting the combined duties should not exceed 15%.
United States — United States Department of the Treasury: The Treasury paid out $81 billion in tariff refunds after the Supreme Court ruling, and tariff revenue turned negative in June.
Apr 20, 2026 · 318 articles
International
South Korea: South Korea is the affected nation and home to Genian Inc.; the event highlights its exposure to North Korean cyber threats and may prompt enhanced domestic cybersecurity measures.
United States — United States Department of the Treasury: The Treasury previously sanctioned Kimsuky and may consider further actions in response to the new AI capabilities, reinforcing its role in countering North Korean cyber threats.
Aug 10, 2026 · 6 articles
International
South Korea: South Korea is closely coordinating with the United States to monitor North Korean nuclear activities and is considered one of North Korea's 'most ferocious enemies', facing direct security implications from the nuclear expansion.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury imposed sanctions on individuals and companies aiding North Korea's nuclear weapons programs, demonstrating a continued effort to counter proliferation.
Jun 03, 2026 · 49 articles
Domestic
South Korea: South Korea is the home country of Hanwha, and its advanced shipbuilding technologies are being adopted at the Philadelphia shipyard, strengthening bilateral industrial ties.
United States — United States Department of the Treasury: Treasury's initiatives to improve CFIUS transparency and create the Known Investor Program aim to streamline foreign investment reviews, potentially attracting more capital.
Aug 10, 2026 · 6 articles
Domestic
South Korea: South Korea will host a new chipmaking hub with a $518 billion investment from Samsung Electronics and SK Hynix, aiming to boost its position in the AI industry.
United States — United States Department of the Treasury: The yield on the 10-year Treasury edged down, indicating some easing of investor concerns despite rising oil prices.
Jun 29, 2026 · 6 articles
Domestic
South Korea: South Korea>>> is among the countries that would face a 12.5% additional tariff due to alleged forced labor imports.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury received the United States — Internal Revenue Service's memo outlining defenses against Donald Trump>>>'s lawsuit, but its role in passing it to the United States — United States Department of Justice is unclear. A general counsel from the department resigned following the fund's creation.
May 18, 2026 · 323 articles
Business
South Korea: South Korea's KOSPI rebounded 5.89%, contributing to the positive regional sentiment.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury's intervention to contain global bond yields was a key catalyst for the market rebound, though its long-term impact remains uncertain.
Aug 20, 2026 · 19 articles
International
South Korea: Home to Sinokor, whose vessels were blacklisted; affected by shipping disruptions.
United States — United States Department of the Treasury: Expected to broaden secondary sanctions on Iran, increasing economic pressure and affecting global trade.
Aug 24, 2026 · 21 articles
International
South Korea: South Korea is the emittent of the $350 billion investment plan in the United States, aiming to secure favorable tariff terms for its goods, including automobiles. This event is expected to positively impact its trade relations and economic stability.
United States — United States Department of the Treasury: 20-year United States — United States Department of the Treasury yields will be used as a benchmark for calculating interest on commercially viable projects within the investment plan.
Jun 08, 2026 · 8 articles
International
South Korea: South Korean banks held $6 billion of frozen Iranian funds, which were later transferred to Qatar>>> pending a prisoner release, highlighting its role in the initial fund freezing.
United States — United States Department of the Treasury: Yields on the United States — United States Department of the Treasury>>>'s longest-dated bonds rose to the highest level in almost two decades due to investor concerns about the Middle East war's macroeconomic impact.
Jun 03, 2026 · 17 articles
International
South Korea: South Korean banks held $6 billion of frozen Iranian funds, which were later transferred to Qatar>>> pending a prisoner release, highlighting its role in the initial fund freezing.
United States — United States Department of the Treasury: Yields on the United States — United States Department of the Treasury>>>'s longest-dated bonds rose to the highest level in almost two decades due to investor concerns about the Middle East war's macroeconomic impact.
Apr 26, 2026 · 590 articles
International
South Korea: South Korea has increased oil imports from the US and is affected by higher energy costs. Its stock market has seen declines.
United States — United States Department of the Treasury: The Treasury imposes sanctions on Iran, affecting its economy and oil exports.
Apr 08, 2026 · 416 articles
International
South Korea: South Korea has a tanker crossing the Strait of Hormuz in cooperation with Iran, demonstrating its efforts to maintain energy supplies despite the disruptions.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury>>> imposed sanctions on the Persian Gulf Strait Authority, aiming to disrupt Iran>>>'s ability to collect payments from ships in the Strait of Hormuz>>>.
Apr 20, 2026 · 607 articles
Business
South Korea: Experienced extreme volatility in its stock market, driven by AI chip stocks.
United States — United States Department of the Treasury: Involved in yen intervention and Iran deal talks.
Jul 14, 2026 · 280 articles
International
South Korea: South Korea's President Lee Jae Myung questioned the legal grounds for Israel's actions and called the detention of its citizens 'excessive and inhumane'.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury imposed sanctions against several European activists aboard the flotilla, labeling them 'pro-terror', aligning with Israel's stance on the flotilla's intentions.
May 18, 2026 · 347 articles
International
South Korea: South Korea expressed interest in expanding cooperation with NATO in defense technology.
United States — United States Department of the Treasury: Treasury was ordered to halt trade with Spain and prepare an embargo.
Apr 20, 2026 · 160 articles
International
South Korea: South Korea's President Lee met with Canada's Carney; Hanwha remained a reserve bidder for Canada's submarine contract.
United States — United States Department of the Treasury: Treasury Secretary Bessent was involved in sanctions relief for Turkey.
Apr 20, 2026 · 317 articles
International
South Korea: South Korea is involved as its citizens were detained, with President Lee Jae Myung criticizing Israel's actions as excessive and inhumane.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury>>> imposed sanctions against European activists on the flotilla, labeling them 'pro-terror'.
May 11, 2026 · 183 articles
International
South Korea: South Korea is under investigation for trade practices, but no decision has been announced.
United States — United States Department of the Treasury: The Treasury Department warned of new secondary sanctions on countries trading with Iran, adding pressure on Iran and its partners.
Aug 24, 2026 · 12 articles
International
South Korea: South Korea had ships exiting the Strait of Hormuz, reflecting efforts to navigate the disrupted shipping routes.
United States — United States Department of the Treasury: The United States — United States Department of the Treasury is considering using frozen Iranian assets to compensate Gulf allies for war damages, adding a new dimension to the economic pressure on Iran.
Apr 20, 2026 · 508 articles
International
United States — United States Department of the Treasury: United States — United States Department of the Treasury yields eased on word of a potential ceasefire, indicating a reduction in market uncertainty and a positive impact on bond markets.
Apr 08, 2026 · 34 articles
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