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D

Dio 039840.KQ · KRW

Health Care · KOSDAQ · 🇰🇷 South Korea

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8,740

-1.35%

Close of 9 Nov 2026, in KRW

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

At a glance

Figures in KRW, from our data supplier.

FY2025

Revenue

₩164.08bn

FY2016FY2025

Net income

−₩1.36bn

FY2016FY2025

Free cash flow

₩11.59bn

FY2016FY2025

Shareholders' equity

₩191.68bn

FY2016FY2025

Income statement

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Revenue₩164.08bn₩119.65bn₩155.82bn₩131.31bn₩150.04bn₩120.06bn₩127.17bn₩91.04bn₩91.92bn₩88.02bn
Gross profit₩110.23bn₩73.80bn₩113.11bn₩89.55bn₩107.82bn₩85.78bn₩95.66bn₩62.61bn₩63.14bn₩58.30bn
Research and development₩4.14bn₩5.19bn₩3.83bn₩3.90bn₩2.78bn₩1.98bn—₩2.82bn₩2.57bn₩2.23bn
Operating income₩10.10bn−₩45.92bn₩19.77bn−₩9.83bn₩33.82bn₩29.22bn₩31.96bn₩7.69bn₩22.04bn₩26.60bn
Net income−₩1.36bn−₩41.32bn₩3.31bn−₩20.46bn₩28.25bn₩11.15bn₩21.73bn₩5.45bn₩8.56bn₩20.51bn
Diluted earnings per share-101.83-2,859.13227.99-1,387.611,908.19752.771,453.35371.37594.121,379.80

Balance sheet

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Total assets₩328.47bn₩343.33bn₩367.63bn₩330.32bn₩348.17bn₩321.40bn₩273.19bn₩225.31bn₩176.82bn₩150.35bn
Cash and short-term investments—₩54.54bn₩11.36bn₩22.23bn₩34.88bn₩58.99bn₩16.49bn₩20.30bn₩8.32bn₩6.95bn
Total liabilities₩136.78bn₩139.22bn₩173.21bn₩164.46bn₩161.17bn₩161.04bn₩130.77bn₩111.65bn₩66.45bn₩43.58bn
Debt₩25.12bn₩84.88bn₩118.09bn₩115.97bn₩108.18bn₩110.36bn₩68.13bn₩47.78bn₩28.89bn₩9.83bn
Shareholders' equity₩191.68bn₩204.11bn₩194.43bn₩165.86bn₩187.00bn₩160.36bn₩142.42bn₩113.66bn₩110.37bn₩106.76bn
Shares outstanding13m14m15m15m15m15m15m15m14m15m

Cash flow

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Cash from operations₩16.59bn₩16.74bn₩5.44bn−₩1.03bn₩6.25bn₩19.08bn₩9.63bn₩12.18bn₩5.64bn₩11.49bn
Capital spending−₩4.99bn−₩4.32bn−₩6.06bn−₩10.75bn−₩19.15bn−₩12.04bn−₩16.30bn−₩18.11bn−₩15.06bn−₩10.43bn
Free cash flow₩11.59bn₩12.42bn−₩618.7m−₩11.77bn−₩12.90bn₩7.04bn−₩6.67bn−₩5.93bn−₩9.41bn₩1.06bn
Dividends paid−₩1.64bn−₩1.05bn——−₩897.8m−₩897.8m−₩897.8m−₩1.13bn−₩1.13bn−₩1.13bn

Latest quarters

By quarter end

Jun 2026Mar 2026Dec 2025Sept 2025Jun 2025Mar 2025Dec 2024Sept 2024
Revenue₩44.95bn₩41.32bn₩46.72bn₩41.45bn₩40.10bn₩35.81bn₩37.80bn₩31.35bn
Gross profit₩29.28bn₩27.14bn₩31.05bn₩27.52bn₩27.67bn₩23.98bn₩24.32bn₩20.58bn
Operating income₩9.00bn₩4.14bn₩1.41bn₩7.79bn₩3.02bn——₩421.2m
Net income₩5.03bn₩9.63bn₩1.52bn₩5.92bn−₩8.92bn₩116.1m₩8.97bn−₩7.16bn
Diluted earnings per share382.15730.97115.70441.90-652.848.34644.25-495.15
Cash from operations₩12.89bn₩2.16bn₩6.30bn₩2.85bn₩2.92bn₩4.52bn₩4.18bn₩2.34bn
Capital spending−₩4.45bn−₩2.43bn−₩2.22bn−₩982.0m−₩1.09bn−₩703.0m−₩891.0m−₩1.44bn
Free cash flow₩8.43bn−₩266.0m₩4.08bn₩1.86bn₩1.83bn₩3.82bn₩3.29bn₩900.0m
Total assets₩327.43bn₩327.94bn₩328.47bn₩332.33bn₩333.50bn₩341.99bn₩343.33bn₩348.86bn
Cash and short-term investments—————₩54.23bn₩54.54bn₩59.04bn
Debt₩20.28bn₩35.12bn₩25.12bn₩25.13bn₩25.13bn₩78.99bn₩73.70bn₩73.00bn
Shareholders' equity₩185.80bn₩189.27bn₩191.68bn₩194.78bn₩197.80bn₩203.73bn₩204.11bn₩213.14bn

Financial ratios

Data as of 4 Sept 2026

FY2025FY2024FY2023FY2022FY2021FY2020FY2018FY2017
Gross margin67.2%61.7%72.6%68.2%71.9%71.5%——
Operating margin6.2%-38.4%12.7%-7.5%22.5%24.3%——
Net margin-0.8%-34.5%2.1%-15.6%18.8%9.3%——
Return on equity-0.7%-20.2%1.7%-12.3%15.1%7.0%——
Return on assets-0.4%-12.0%0.9%-6.2%8.1%3.5%——
Free cash flow yield——————18.8%13.1%
Revenue growth37.1%-23.2%18.7%-12.5%25.0%-5.6%——
Earnings growth-96.7%-1347.8%-116.2%-172.4%153.3%-48.7%——
Current ratio1.43x1.43x1.07x1.13x1.43x1.39x——
Debt to equity0.13x0.35x0.51x0.60x0.51x0.61x——
Equity ratio58.4%59.5%52.9%50.2%53.7%49.9%——
Interest coverage2.39x-7.93x2.57x-1.97x8.52x8.98x——
R&D as a share of sales2.5%4.3%2.5%3.0%1.9%1.6%——
Buybacks as a share of market value——————-2.0%—

Growth per year

Compound annual rate

3 years5 years10 years
Revenue7.7%6.4%8.4%
Operating income—-19.1%-7.4%
Net income-59.5%——

Average margins

Over each period

1 year3 years5 years10 years
Gross margin64.9%67.7%69.0%68.8%
Operating margin-12.6%-4.5%4.4%11.2%
Net margin-15.0%-10.5%-2.4%3.6%

Valuation history

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Price to earnings-165.9-5.798.3-14.219.642.028.977.459.728.7
Price to sales1.41.92.12.23.73.94.94.65.66.7

Dividends and splits

Per share, in the currency the company pays

Paid for 0 years. Last went ex-dividend on 29 Dec 2008.

FY2009FY2007FY2006FY2003FY2002FY2001
Paid in the year75.0075.0075.0050.0050.0050.00

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

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