Currency Confusion No More: How South Korea’s New 24-Hour Forex Market Affects Your Budget as a Traveler

Big news for anyone traveling to or living in Korea: this week South Korea officially extended its foreign exchange (forex) trading hours, moving toward a 24-hour won market. For decades, the Korean won (원, won) only traded during local business hours, roughly 9 a.m. to 3:30 p.m. Now the market runs almost around the clock, aligning with London and New York trading sessions.

If that sounds like abstract finance-speak, don’t worry. Below, we break down what this actually means for your wallet, when to exchange your money, and the practical tools you should be using right now.

What Changed — and Why It Matters

Previously, the won’s exchange rate was set during a short domestic window. If big global events happened overnight (say, a US Federal Reserve announcement), the won couldn’t react until Korean banks reopened. That created gaps, delays, and sometimes worse rates for regular travelers.

With the extended market, the won now trades continuously alongside major world currencies. The likely long-term result? Tighter, more competitive exchange rates and smaller gaps between the “official” rate you see online and the rate you actually get.

More price transparency: The rate updates in real time, day and night.
Fewer overnight surprises: Rates adjust smoothly instead of jumping when banks reopen.
Better weekend flexibility: Global liquidity means fewer frozen, stale rates.

In short: the annoying moment where you land at Incheon at 11 p.m. (인천, Incheon) and get a mysteriously bad rate should become less common over time.

An older Korean man and a young Korean woman exchanging cash at a bright bank counter

When Should You Actually Exchange Money?

The golden rule hasn’t changed: avoid airport exchange counters whenever possible. Even with a 24-hour market, airport kiosks add hefty margins for convenience. Here’s a smarter approach:

1. Track the mid-market rate first

Before exchanging anything, check the real “mid-market” rate (the true midpoint between buy and sell prices) using Google or a currency app. Now that the won trades nearly 24/7, this number is more accurate than ever — so you’ll instantly spot a bad deal.

2. Watch for big global news windows

Because the won now reacts to overnight events, the rate can shift meaningfully after major announcements from the US or Europe. If you see the won strengthen (fewer won per dollar or euro), that’s a good moment to convert into won. If it weakens, hold off if you can.

3. Exchange in smaller, timed batches

Instead of converting your whole trip budget at once, split it. With continuous trading, you can convert a portion when the rate looks favorable rather than gambling on a single moment.

Best Apps and Banks for Travelers and Expats

The extended market rewards people who use modern, digitally-connected services rather than physical cash desks. Here’s where to look:

For short-term travelers

Wise (formerly TransferWise): Uses the real mid-market rate and now benefits from continuous won pricing. Great for topping up a travel card.
Revolut: Excellent for holding multiple currencies and converting when the rate looks good — especially useful with 24-hour movement.
Multi-currency debit cards: Cards like these let you lock in won when the rate is favorable, then spend later.

For expats and long-term residents

Toss (토스): A hugely popular Korean fintech app for domestic transfers and increasingly for currency features. Watch for improved forex tools now that the market is open longer.
Hana Bank & Woori Bank: Both have strong foreign-exchange services and dedicated apps; extended hours mean more real-time conversion options.
KB Star Banking: KB Kookmin’s app is a mainstay for expats managing salaries and remittances.

A handy phrase when visiting a bank branch: 환전해 주세요 (hwanjeon-hae juseyo) — “Please exchange money for me.” And 환율 (hwan-yul) simply means “exchange rate.”

Practical Budget Tips Under the New System

Use cards more confidently: With more accurate rates, card payments often beat cash exchange. Korea is highly card-friendly — even street stalls at markets like Gwangjang (광장시장) increasingly accept them.
Withdraw won from bank ATMs, not private ones: Look for major bank machines to avoid inflated fees.
Keep a little cash for temples, small vendors, and buses: Not everything is digital yet.
Set a rate alert: Apps like Wise and Revolut can notify you when the won hits your target rate — a game-changer now that movement happens overnight.

The Bottom Line

South Korea’s shift to a near 24-hour forex market is genuinely good news for international visitors and expats. Over time, expect fairer rates, fewer overnight surprises, and more flexibility in when you convert your money. The strategy is simple: know the mid-market rate, use a modern app, avoid airport counters, and exchange in smart batches.

Master a few won-related Korean words, download a reliable currency app, and you’ll navigate Korea’s money scene like a pro. 화이팅! (hwaiting — “You’ve got this!”)