Koyj코이즈
121850 · KOSDAQ · ₩121850 · 코이즈
₩135▼ ₩130 (49.06%)End-of-day · Sep 11, 2026 · End-of-day prices.
Price · 1Y −98.45%
- Market cap
- ₩2.1B
Loading data for this company — check back soon
52-week range−98.5% from the high
₩135Today: ₩135 – ₩265₩9,027
Returns
- 1W−58.5%
- 1M−91.5%
- 3M−92.1%
- 6M−94.3%
- YTD−96.8%
- 1Y−98.4%
- Volume today
- 1,402,440
- 0.9× the 20-day average
- Traded today
- ₩230M
- Listed shares
- 15,499,274
- EPS (12 months)
- —
AI researchResearch being writtenLoading data for this company — check back soonIPOListed — at ₩5,080IPO details →
🎁 Gift this stock
Send a friend ₩100,000 of paper money in this stock. They get it when they join.
Why is it moving?
−49.1% on Sep 11, 2026.
- • Filing: Insider shareholding report
- • Filing: 5%+ holding report
- • Foreign investors sold a net ₩170 that day
Possible reasons, not certainties. Not financial advice.
Koyj stock overview
Koyj (코이즈, KRX: 121850) is listed on KOSDAQ, in the Rubber & plastics sector. Its shares closed at ₩135 on Sep 11, 2026, down 49.06% on the day, giving it a market value of ₩2.1B.
Key facts
- Market cap
- ₩2.1B
- Sector
- Rubber & plastics
- Latest price change
- −49.06%
- As of
- Sep 11, 2026
Quick answers about Koyj
- What is the market cap of Koyj?
- The market capitalisation of Koyj was ₩2.1B at the close on Sep 11, 2026.
- When is the next earnings report from Koyj?
- Korean companies rarely announce results dates in advance. Based on when Koyj filed the same report in past years, its next 3q results is expected between Nov 5, 2026 and Nov 14, 2026.
Company profile
Loading data for this company — check back soon
- Korean name
- 코이즈
- Sector
- Rubber & plastics
- Themes
- —
- CEO
- 조재형
- Founded
- Feb 2006
- Listed
- —
- Listed shares
- 15,499,274
- Fiscal year ends
- Month 12
- Website
- www.koyj.co.kr
Similar companies
- Hankook Tire & Technology161390 · ₩7T₩56,8000.00%
- Kumho Tire073240 · ₩1.5T₩5,170−0.39%
- Pum-Tech Korea251970 · ₩807B₩65,100−1.36%
- Dongwon Systems014820 · ₩612B₩21,100−0.71%
- Nexen Tire002350 · ₩552B₩5,650+1.80%
- PI Advanced Materials178920 · ₩450B₩15,320−3.04%
- Nexen005720 · ₩317B₩6,0400.00%
- Youlchon Chemical008730 · ₩304B₩12,270−4.51%
Recent filings
See all- Insider shareholding reportSep 15, 2026
- 5%+ holding reportSep 11, 2026
- DelistingSep 1, 2026
- DelistingAug 25, 2026
- DelistingAug 18, 2026
Titles in Korean until English translations are added.
Also known as: Koyj / 코이즈 / 121850 / KRX:121850
Source: KRX statistical information