OCI
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
OCI makes chemicals used across a range of industries, including polysilicon, a refined silicon material essential for semiconductor manufacturing, as well as carbon-based materials such as pitch, carbon black, and benzene.
Its products supply chipmakers, industrial manufacturers, and other downstream processors. Listed on KOSPI, Korea's main stock exchange, OCI operates through two core divisions: a basic-chemicals segment and a carbon-chemicals segment, with the carbon side accounting for the larger share of revenue.
Summary is AI-generated and may contain errors · figures from DART filings
OCI consolidates results from six subsidiaries, two domestic and four overseas, under a single listed parent on KOSPI.
OCI in five facts
What does OCI do?
OCI makes chemicals used across a range of industries, including polysilicon, a refined silicon material essential for semiconductor manufacturing, as well as carbon-based materials such as pitch, carbon black, and benzene.
Where is OCI listed and in which sector?
OCI (Korean name: OCI) trades under KRX code 456040 on KOSPI, the main board of the Korea Exchange. It is classified in the Materials sector, Chemicals.
How large is OCI?
Its market capitalisation was US$430.4M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were OCI's latest annual revenue and operating profit?
For fiscal year 2025, OCI reported revenue of US$1.5B, operating profit of US$332.4K and a net loss of US$51.7M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was down 9.3% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Investor relations (IR) meeting (notice)Oct 8
- Report on large shareholdings (5% rule) (abbreviated)Oct 2
- DisclosureSep 29
- DisclosureSep 29
- DisclosureSep 29
- Goods/services transactions with group affiliatesSep 29
- Material event report (business suspension)Sep 29
- Operating results (consolidated) (preliminary) (fair disclosure)
OCI filed provisional (unaudited) consolidated results for Q2 2026: revenue of US$363M (+1.5% year on year), operating profit of US$29.3M (from a loss a year earlier) and net income of US$20.2M (from a loss a year earlier).
Earnings · Jul 22 - [Amended] Decision to acquire shares/equity in another company
OCI updated the disclosed terms of an acquisition, now worth US$23.8M.
M&A · Jul 16 · 3 versions - Operating results (consolidated) (preliminary) (fair disclosure)
OCI filed provisional (unaudited) consolidated results for Q1 2026: revenue of US$343M (−6% year on year), operating profit of US$18.8M (+171.4% year on year) and net income of US$16.7M (from a loss a year earlier).
Earnings · Apr 22 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
OCI reported consolidated results for FY2025: revenue of US$1.37B (−9.3% year on year), operating profit of US$301K (−99.6% year on year) and a net loss of US$46.8M (from a profit a year earlier).
Earnings · Feb 9 - Operating results (consolidated) (preliminary) (fair disclosure)
OCI filed provisional (unaudited) consolidated results for Q4 2025: revenue of US$320M (−10.1% year on year), operating profit of US$1.92M (−86.2% year on year) and net income of US$2.38M (−72% year on year).
Earnings · Feb 9