JLK
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
JLK develops artificial-intelligence software used to help analyse medical images, such as brain scans, to assist clinicians in detecting and assessing conditions more quickly.
Its products are used in hospital and clinical settings. The company is listed on KOSDAQ, South Korea's technology-focused stock exchange. Revenue has been growing, though the business is currently operating at a loss.
Summary is AI-generated and may contain errors · figures from DART filings
JLK in five facts
What does JLK do?
JLK develops artificial-intelligence software used to help analyse medical images, such as brain scans, to assist clinicians in detecting and assessing conditions more quickly.
Where is JLK listed and in which sector?
JLK (Korean name: 제이엘케이) trades under KRX code 322510 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Software.
How large is JLK?
Its market capitalisation was US$94.9M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were JLK's latest annual revenue and operating profit?
For fiscal year 2025, JLK reported revenue of US$2.5M, an operating loss of US$10M and a net loss of US$10.3M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was up 133.9% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (abbreviated)Oct 2
- [Amended] Change of 30% or more in revenue or profit/loss structure (15% for large companies)
JLK updated its previously filed consolidated results for FY2025: revenue of US$2.31M (+133.9% year on year), an operating loss of US$9.15M and a net loss of US$9.28M.
Earnings · Feb 23 · 2 versions