Korean ADRs: South Korean stocks listed in the US
US tickers for Korean companies, tracked with the Korean news and DART filings that move their Seoul shares.
9 South Korean companies with shares listed in Seoul also trade in the US as American depositary receipts (ADRs): KB Financial Group (KB), Korea Electric Power (KEP), SK hynix (SKHY), SK Telecom (SKM), Woori Financial Group (WF), Shinhan Financial Group (SHG), LG Display (LPL), POSCO Holdings (PKX), KT (KT). SK hynix is the newest, listed on Nasdaq on July 10, 2026. Their underlying shares trade on the Korea Exchange, so Korean news and DART filings usually hit Seoul first — the regular session runs 8:00 PM EDT to 2:30 AM EDT New York time.
US-listed Korean ADRs 9 companies
| Company | US ticker | Seoul code | Korean news 7d | Latest quarterly op. profit | Dividend yield | Latest DART filing |
|---|---|---|---|---|---|---|
| KB Financial Group | KB NYSE | 105560 | 393 | ₩2.71tn | 3.2% | Sep 15 Investor relations event |
| Korea Electric Power | KEP NYSE | 015760 | 213 | ₩1.13tn | 3.2% | – |
| SK hynix Listed July 10, 2026; 10 ADRs = 1 common share | SKHY Nasdaq | 000660 | 198 | ₩60.54tn | 0.4% | Sep 9 Reply to inquiry disclosure |
| SK Telecom | SKM NYSE | 017670 | 142 | ₩566bn | 3.1% | – |
| Woori Financial Group | WF NYSE | 316140 | 120 | ₩1.32tn | 4.4% | – |
| Shinhan Financial Group | SHG NYSE | 055550 | 66 | ₩2.48tn | 3.0% | Sep 14 Filing |
| LG Display | LPL NYSE | 034220 | 52 | −₩108bn | – | – |
| POSCO Holdings | PKX NYSE | 005490 | 4 | ₩819bn | – | – |
| KT | KT NYSE | 030200 | 2 | ₩648bn | – | Sep 11 Share buyback |
US listings are checked against the SEC company ticker file. Operating profit and dividend yield come from DART reports (consolidated where available); news counts are Korean headlines linked to each company over the past 7 days.
Seoul trading hours in US time
| Session (Seoul, KST) | New York | London | Singapore / Hong Kong |
|---|---|---|---|
| Nextrade pre-market 08:00–08:50 | Mon 7:00 PM – Mon 7:50 PM | Tue 00:00 – Tue 00:50 | Tue 7:00 AM – Tue 7:50 AM |
| Regular session (KOSPI, KOSDAQ) 09:00–15:30 | Mon 8:00 PM – Tue 2:30 AM | Tue 01:00 – Tue 07:30 | Tue 8:00 AM – Tue 2:30 PM |
| KRX after-hours market 16:00–20:00 | Tue 3:00 AM – Tue 7:00 AM | Tue 08:00 – Tue 12:00 | Tue 3:00 PM – Tue 7:00 PM |
Converted for today's date, including daylight saving time. The exchange after-hours market started on September 14, 2026; the alternative venue Nextrade runs a pre-market from 8:00 a.m. KST.
Korean ADRs: FAQ
- Can I buy Korean stocks in a US brokerage account?
- Yes, for the companies with US-listed ADRs: KB (KB Financial Group), KEP (Korea Electric Power), SKHY (SK hynix), SKM (SK Telecom), WF (Woori Financial Group), SHG (Shinhan Financial Group), LPL (LG Display), PKX (POSCO Holdings), KT (KT). Other KOSPI and KOSDAQ stocks require a broker that offers access to the Korean market.
- Does Samsung Electronics have a US ADR?
- Samsung Electronics does not have shares listed on a US stock exchange. Its common shares trade on the Korea Exchange under the code 005930.
- What is the SK hynix ADR ratio?
- SK hynix ADRs trade on Nasdaq under SKHY. Ten ADRs represent one common share listed in Seoul (000660). The ADRs began trading on July 10, 2026.
- When does the Korean market trade in US time?
- The Korea Exchange regular session is 9:00 a.m. to 3:30 p.m. KST, which is 8:00 PM EDT to 2:30 AM EDT in New York today. Since September 14, 2026, an exchange after-hours market runs until 8:00 p.m. KST (7:00 AM EDT).
- Where do Korean company filings come from?
- Korean listed companies file with DART, the Financial Supervisory Service disclosure system. Companies with US listings also file annual reports (Form 20-F) and current reports (Form 6-K) with the SEC.