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South Korea flipped the switch on 24-hour trading of the Korean won against the US dollar on July 6, 2026. It’s the kind of move that sounds mundane until you realize what it actually represents: one of Asia’s largest economies effectively telling the world its currency is open for business at 3 a.m. on a Wednesday.
The new framework allows continuous KRW/USD transactions from roughly 6 a.m. Monday to 6 a.m. Saturday, excluding weekends and January 1. Previously, trading was restricted to weekday hours ending at 2 a.m. That old cutoff meant that while New York was still very much awake and trading, Seoul’s currency market had already gone to bed.
What changed and why it matters
The round-the-clock system eliminates those overnight gaps. If something happens in European or US markets at midnight Seoul time, traders can now respond immediately in the won rather than waiting for the next session to open.
Major banks prepared for this well in advance. Hana Bank expanded its trading desks in both Seoul and London, building out new offshore settlement infrastructure specifically designed for non-resident participation. Trial operations ran throughout June 2026 to stress-test the system before the official launch.
A new offshore won settlement mechanism was also introduced alongside the extended hours. This is the plumbing that makes the whole thing work for foreign participants, giving non-residents a way to actually settle won-denominated trades outside of South Korea’s domestic banking hours.
The MSCI upgrade play
South Korea has been angling for an upgrade from MSCI’s emerging-market classification to developed-market status for years. One of the persistent obstacles has been restrictions on foreign access to the Korean won. MSCI has repeatedly flagged South Korea’s currency controls and limited forex accessibility as reasons for keeping the country in the emerging-market bucket. Developed-market status would automatically funnel billions of dollars from passive index funds into Korean equities, since many institutional mandates are benchmarked to MSCI indices.
Round-the-clock currency trading directly addresses one of those frictions. South Korea has been steadily dismantling barriers over the past several years, and the 24-hour trading framework represents perhaps the most significant single step in that campaign.
What this means for crypto and digital asset markets
No specific cryptocurrencies or digital assets are directly linked to the new trading framework. But the broader context is worth paying attention to.
The Bank of Korea has been advancing its central bank digital currency research alongside increased regulation of digital assets. The 24-hour forex reform and CBDC development are both expressions of the same underlying thesis: Seoul wants its financial infrastructure to be competitive with Singapore, Hong Kong, and Tokyo.
For traders specifically, the elimination of overnight gaps in KRW/USD should reduce the kind of gapping risk that has historically spilled over into Korean crypto markets. When the won opened sharply weaker after overnight developments in prior years, Korean exchanges often saw exaggerated moves in Bitcoin and other assets as local traders adjusted.
The risk to watch is whether the extended hours actually deliver the liquidity that Seoul is banking on. If volumes during off-peak hours remain thin, the reform could introduce wider spreads and the potential for outsized moves on relatively small orders during quiet periods. The offshore settlement infrastructure and bank trading desk expansions suggest Korea’s financial institutions are taking this seriously, but the proof will be in the first few months of volume data.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
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