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): SK hynix (SKHY), SK Telecom (SKM), Shinhan Financial Group (SHG), KB Financial Group (KB), Korea Electric Power (KEP), LG Display (LPL), Woori Financial Group (WF), KT (KT), POSCO Holdings (PKX). 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 1:30 AM EST 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 |
|---|---|---|---|---|---|---|
| SK hynix Listed July 10, 2026; 10 ADRs = 1 common share | SKHY Nasdaq | 000660 | 1,046 | ₩60.54tn | 0.4% | Oct 29 Reply to inquiry disclosure |
| SK Telecom | SKM NYSE | 017670 | 277 | ₩566bn | 3.1% | Oct 29 Dividend |
| Shinhan Financial Group | SHG NYSE | 055550 | 252 | ₩2.48tn | 3.0% | Oct 27 Filing |
| KB Financial Group | KB NYSE | 105560 | 203 | ₩2.71tn | 3.2% | Oct 29 Filing |
| Korea Electric Power | KEP NYSE | 015760 | 131 | ₩1.13tn | 3.2% | Oct 30 Filing |
| LG Display | LPL NYSE | 034220 | 80 | −₩108bn | – | Oct 29 Insider ownership report |
| Woori Financial Group | WF NYSE | 316140 | 76 | ₩1.32tn | 4.4% | Oct 27 Filing |
| KT | KT NYSE | 030200 | 19 | ₩648bn | 4.5% | Oct 30 5% ownership report |
| POSCO Holdings | PKX NYSE | 005490 | 5 | ₩819bn | 2.8% | Oct 21 Reply to inquiry disclosure |
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 | Sat 7:00 PM – Sat 7:50 PM | Sat 23:00 – Sat 23:50 | Sun 7:00 AM – Sun 7:50 AM |
| Regular session (KOSPI, KOSDAQ) 09:00–15:30 | Sat 8:00 PM – Sun 1:30 AM | Sun 00:00 – Sun 06:30 | Sun 8:00 AM – Sun 2:30 PM |
| KRX after-hours market 16:00–20:00 | Sun 2:00 AM – Sun 6:00 AM | Sun 07:00 – Sun 11:00 | Sun 3:00 PM – Sun 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: SKHY (SK hynix), SKM (SK Telecom), SHG (Shinhan Financial Group), KB (KB Financial Group), KEP (Korea Electric Power), LPL (LG Display), WF (Woori Financial Group), KT (KT), PKX (POSCO Holdings). 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 1:30 AM EST in New York today. Since September 14, 2026, an exchange after-hours market runs until 8:00 p.m. KST (6:00 AM EST).
- 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.