KOYJ Co., Ltd.

KOSDAQ:A121850 Stock Report

Market Cap: ₩7.5b

KOYJ Past Earnings Performance

Past criteria checks 0/6

KOYJ has been growing earnings at an average annual rate of 14.1%, while the Chemicals industry saw earnings declining at 0.3% annually. Revenues have been declining at an average rate of 6% per year.

Key information

14.07%

Earnings growth rate

38.93%

EPS growth rate

Chemicals Industry Growth13.95%
Revenue growth rate-5.99%
Return on equity-116.99%
Net Margin-63.73%
Last Earnings Update31 Mar 2026

Recent past performance updates

Recent updates

Analysis Article • Jan 02

Market Cool On KOYJ Co., Ltd.'s (KOSDAQ:121850) Revenues

It's not a stretch to say that KOYJ Co., Ltd.'s ( KOSDAQ:121850 ) price-to-sales (or "P/S") ratio of 0.8x right now...
Analysis Article • Sep 16

KOYJ Co., Ltd. (KOSDAQ:121850) Stock's 28% Dive Might Signal An Opportunity But It Requires Some Scrutiny

Unfortunately for some shareholders, the KOYJ Co., Ltd. ( KOSDAQ:121850 ) share price has dived 28% in the last thirty...
Analysis Article • Sep 16

We Think KOYJ (KOSDAQ:121850) Has A Fair Chunk Of Debt

Some say volatility, rather than debt, is the best way to think about risk as an investor, but Warren Buffett famously...
Analysis Article • May 19

We Think KOYJ (KOSDAQ:121850) Has A Fair Chunk Of Debt

David Iben put it well when he said, 'Volatility is not a risk we care about. What we care about is avoiding the...
Analysis Article • Dec 09

Optimistic Investors Push KOYJ Co., Ltd. (KOSDAQ:121850) Shares Up 64% But Growth Is Lacking

Despite an already strong run, KOYJ Co., Ltd. ( KOSDAQ:121850 ) shares have been powering on, with a gain of 64% in the...
Analysis Article • Dec 04

KOYJ (KOSDAQ:121850) Is Carrying A Fair Bit Of Debt

Warren Buffett famously said, 'Volatility is far from synonymous with risk.' It's only natural to consider a company's...
Analysis Article • Sep 13

KOYJ Co., Ltd.'s (KOSDAQ:121850) Share Price Could Signal Some Risk

When close to half the companies in the Chemicals industry in Korea have price-to-sales ratios (or "P/S") below 0.7x...
Analysis Article • Jun 07

KOYJ Co., Ltd.'s (KOSDAQ:121850) Price Is Out Of Tune With Revenues

KOYJ Co., Ltd.'s ( KOSDAQ:121850 ) price-to-sales (or "P/S") ratio of 2.1x may not look like an appealing investment...

Revenue & Expenses Breakdown

How KOYJ makes and spends money. Based on latest reported earnings, on an LTM basis.

Earnings and Revenue History

KOSDAQ:A121850 Revenue, expenses and earnings (KRW Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
31 Mar 2613,567-8,6473,0822,181
31 Dec 2512,651-11,0443,6132,181
30 Sep 2516,407-5,4043,2122,192
30 Jun 2518,802-4,4773,4852,192
31 Mar 2519,714-3,8693,9162,192
31 Dec 2420,734-2,6533,8162,192
30 Sep 2418,678-3,1434,4701,428
30 Jun 2419,473-3,0534,2731,428
31 Mar 2418,137-3,5843,8511,428
31 Dec 2316,393-4,4363,5921,428
30 Sep 2315,639-6,0434,0081,662
30 Jun 2312,594-7,3033,9251,662
31 Mar 239,929-8,4833,8831,662
31 Dec 229,703-8,9794,1161,662
30 Sep 2210,107-8,8294,4461,838
30 Jun 2212,247-8,6224,7951,838
31 Mar 2214,310-12,7324,2311,838
31 Dec 2116,187-13,3624,8901,838
30 Sep 2121,296-11,7554,3321,374
30 Jun 2128,803-9,7674,1811,374
31 Mar 2132,486-4,2924,7481,374
31 Dec 2036,953-2,6684,0871,374
30 Sep 2037,474-1,2496,201332
30 Jun 2037,316-1,4866,255332
31 Mar 2038,878195,628611
31 Dec 1935,464-9944,6721,382
30 Sep 1931,364-3,9642,4062,458
30 Jun 1926,444-5,4872,2212,458
31 Mar 1921,358-7,9473,3101,838
31 Dec 1819,147-7,9773,5751,407
30 Sep 1818,924-10,3803,772803
30 Jun 1818,648-10,4533,513803
31 Mar 1821,664-9,6173,162941
31 Dec 1726,390-9,4903,347803
30 Sep 1729,604-2,2582,936965
30 Jun 1730,985-1,3983,116965
31 Mar 1730,779-3163,130927
31 Dec 1631,4411,4982,878965
30 Sep 1631,747-1,2113,1491,230
30 Jun 1635,247-2,2414,2031,230
31 Mar 1628,494-2,6393,1811,147
31 Dec 1526,005-2,4453,1961,230
30 Sep 1519,681-1,5623,618933

Quality Earnings: A121850 is currently unprofitable.

Growing Profit Margin: A121850 is currently unprofitable.

Free Cash Flow vs Earnings Analysis

Past Earnings Growth Analysis

Earnings Trend: A121850 is unprofitable, but has reduced losses over the past 5 years at a rate of 14.1% per year.

Accelerating Growth: Unable to compare A121850's earnings growth over the past year to its 5-year average as it is currently unprofitable

Earnings vs Industry: A121850 is unprofitable, making it difficult to compare its past year earnings growth to the Chemicals industry (-3.2%).

Return on Equity

High ROE: A121850 has a negative Return on Equity (-116.99%), as it is currently unprofitable.

Return on Assets

Return on Capital Employed

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Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/06 15:27
End of Day Share Price 2026/07/06 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

KOYJ Co., Ltd. is covered by 1 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Jongsun ParkEugene Investment & Securities Co Ltd.