Unison, Myeongwoon Industrial Development, Jeio Ocean Industries and HJ Shipbuilding & Construction sign MOU for Gunsan offshore wind cluster
Predicted impact: Low
MOU for offshore wind cluster; non-binding and no contract value disclosed.
Jeio제이오
418550 · KOSDAQ · ₩418550 · 제이오
₩4,390▲ ₩105 (2.45%)End-of-day · Oct 28, 2026 · End-of-day prices.
Price · 1Y −53.50%
- Market cap
- ₩141B
- Enterprise value
- ₩161B
- P/E
- —
- P/B
- 0.8×
- Dividend yield
- 0.0%
- ROE
- −3.7%
- Net margin
- −15.0%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−72.3% from the high
₩3,205Today: ₩4,325 – ₩4,445₩15,840
Returns
- 1W−7.6%
- 1M−11.2%
- 3M+29.9%
- 6M−63.4%
- YTD−37.4%
- 1Y−53.5%
- Volume today
- 26,062
- 0.4× the 20-day average
- Traded today
- ₩114M
- Listed shares
- 32,017,673
- EPS (12 months)
- −₩194
- Earnings yield −4.4%
AI research · InitiationJeio: Revenue Decline and Operating Losses Continue as Shares Trade Below Book ValueThe filed numbers show a clear deterioration from a strong 2023 to a loss-making position, with falling sales, negative free cash flow and borrowings above cash.Read the full report →
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Signals
Quiet- BuzzQuietBuzz 28 of 100 (50 is a normal day for this stock).
- SentimentPositiveNews: A new cooperation agreement on offshore wind is mildly positive news. Community: 0 bullish, 0 bearish posts this week.
- MomentumWeak-8.6% over the last month; the price is below its 20-day average.
Signals describe activity, not recommendations. Not financial advice.
Jeio stock overview
Jeio (제이오, KRX: 418550) is listed on KOSDAQ, in the Engineering services sector. The company develops and mass-produces carbon nanotubes for lithium-ion battery conductive materials, with products such as JENOTUBE grades supplied to major domestic and international battery makers. Its shares closed at ₩4,390 on Oct 28, 2026, up 2.45% on the day, giving it a market value of ₩141B.
Key facts
- Market cap
- ₩141B
- Sector
- Engineering services
- Latest price change
- +2.45%
- As of
- Oct 28, 2026
- Main business
- The company develops and mass-produces carbon nanotubes for lithium-ion battery conductive materials, with products such as JENOTUBE grades supplied to major domestic and international battery makers.
Quick answers about Jeio
- What does Jeio do?
- The company develops and mass-produces carbon nanotubes for lithium-ion battery conductive materials, with products such as JENOTUBE grades supplied to major domestic and international battery makers. It also designs, engineers, and builds production plants for battery materials, petrochemicals, environmental and recycling applications, and other industries, providing EPC services. Its operations are based in Korea, with a plant in Ansan.
- What is the market cap of Jeio?
- The market capitalisation of Jeio was ₩141B at the close on Oct 28, 2026.
- Who are the largest shareholders of Jeio?
- According to the latest official filings, the largest reported holders are Kang Deuk-ju (35.72%, as of Feb 4, 2025); Kim Gil-rae (0.33%, as of Nov 21, 2024); Cheon Mun-su (0.22%, as of Nov 21, 2024).
- When is the next earnings report from Jeio?
- Korean companies rarely announce results dates in advance. Based on when Jeio filed the same report in past years, its next preliminary results is expected around Oct 31, 2026.
- Does the National Pension Service own Jeio?
- Yes. The National Pension Service held 0.06% of Jeio shares as of Dec 31, 2025.
Company profile
The company develops and mass-produces carbon nanotubes for lithium-ion battery conductive materials, with products such as JENOTUBE grades supplied to major domestic and international battery makers. It also designs, engineers, and builds production plants for battery materials, petrochemicals, environmental and recycling applications, and other industries, providing EPC services. Its operations are based in Korea, with a plant in Ansan.
Written by AI from the company's latest annual report.
- Korean name
- 제이오
- Sector
- Engineering services
- CEO
- 강득주
- Founded
- Nov 1994
- Listed
- Feb 2023
- Listed shares
- 32,017,673
- Fiscal year ends
- Month 12
- Website
- www.jeio.co.kr/
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Recent news
Recent filings
See all- Half-year report (Jun 2026)Aug 14, 2026
- Insider shareholding reportMay 18, 2026
- Quarterly report (Mar 2026)May 15, 2026
- Insider shareholding reportApr 28, 2026
- Insider shareholding reportApr 24, 2026
Titles in Korean until English translations are added.
Also known as: Jeio / 제이오 / 418550 / KRX:418550
Source: KRX statistical information