Lightron Fiber-Optic Devices Inc.

KOSDAQ:A069540 Stock Report

Market Cap: ₩231.6b

Lightron Fiber-Optic Devices Past Earnings Performance

Past criteria checks 0/6

Lightron Fiber-Optic Devices's earnings have been declining at an average annual rate of -23.2%, while the Communications industry saw earnings declining at 2.7% annually. Revenues have been declining at an average rate of 11.9% per year.

Key information

-23.19%

Earnings growth rate

-4.71%

EPS growth rate

Communications Industry Growth16.35%
Revenue growth rate-11.94%
Return on equity-27.20%
Net Margin-68.83%
Last Earnings Update31 Mar 2026

Recent past performance updates

Recent updates

Analysis Article Dec 29

Subdued Growth No Barrier To Lightron Fiber-Optic Devices Inc.'s (KOSDAQ:069540) Price

With a median price-to-sales (or "P/S") ratio of close to 1x in the Communications industry in Korea, you could be...
Analysis Article Sep 04

Revenues Not Telling The Story For Lightron Fiber-Optic Devices Inc. (KOSDAQ:069540)

Lightron Fiber-Optic Devices Inc.'s ( KOSDAQ:069540 ) price-to-sales (or "P/S") ratio of 1.8x may not look like an...
Analysis Article Mar 31

Is Lightron Fiber-Optic Devices (KOSDAQ:069540) Using Debt Sensibly?

Warren Buffett famously said, 'Volatility is far from synonymous with risk.' It's only natural to consider a company's...
Analysis Article Jan 23

There's Reason For Concern Over Lightron Fiber-Optic Devices Inc.'s (KOSDAQ:069540) Massive 44% Price Jump

Lightron Fiber-Optic Devices Inc. ( KOSDAQ:069540 ) shareholders would be excited to see that the share price has had a...
Analysis Article Dec 06

Lightron Fiber-Optic Devices Inc.'s (KOSDAQ:069540) 29% Dip Still Leaving Some Shareholders Feeling Restless Over Its P/SRatio

The Lightron Fiber-Optic Devices Inc. ( KOSDAQ:069540 ) share price has fared very poorly over the last month, falling...
Analysis Article Sep 27

Would Lightron Fiber-Optic Devices (KOSDAQ:069540) Be Better Off With Less Debt?

Warren Buffett famously said, 'Volatility is far from synonymous with risk.' When we think about how risky a company...
Analysis Article Aug 03

Some Confidence Is Lacking In Lightron Fiber-Optic Devices Inc. (KOSDAQ:069540) As Shares Slide 29%

To the annoyance of some shareholders, Lightron Fiber-Optic Devices Inc. ( KOSDAQ:069540 ) shares are down a...
Analysis Article Jun 13

Is Lightron Fiber-Optic Devices (KOSDAQ:069540) Using Too Much 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 Apr 18

Lightron Fiber-Optic Devices Inc.'s (KOSDAQ:069540) 32% Share Price Surge Not Quite Adding Up

Despite an already strong run, Lightron Fiber-Optic Devices Inc. ( KOSDAQ:069540 ) shares have been powering on, with a...
Analysis Article Feb 29

Some Shareholders Feeling Restless Over Lightron Inc.'s (KOSDAQ:069540) P/S Ratio

Lightron Inc.'s ( KOSDAQ:069540 ) price-to-sales (or "P/S") ratio of 2x may not look like an appealing investment...

Revenue & Expenses Breakdown

How Lightron Fiber-Optic Devices makes and spends money. Based on latest reported earnings, on an LTM basis.


Earnings and Revenue History

KOSDAQ:A069540 Revenue, expenses and earnings (KRW Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
31 Mar 2630,377-20,9096,1541,893
31 Dec 2531,770-19,6196,4291,869
30 Sep 2530,014-16,2627,4391,911
30 Jun 2525,537-18,5197,4952,097
31 Mar 2522,785-18,0767,3192,269
31 Dec 2418,133-18,5816,9972,442
30 Sep 2417,254-22,3536,2722,677
30 Jun 2419,752-20,6746,0552,990
31 Mar 2419,502-18,1425,5803,531
31 Dec 2321,694-19,6235,7174,080
30 Sep 2325,178-10,0715,7344,282
30 Jun 2334,646-6,2755,8114,390
31 Mar 2348,979-2,9705,4694,554
31 Dec 2252,558-7184,8844,417
30 Sep 2251,680-9,4325,9304,559
30 Jun 2247,659-10,0335,6954,512
31 Mar 2241,732-10,8105,8393,911
31 Dec 2144,141-8,9786,2404,648
30 Sep 2140,859-5,9892,2015,018
30 Jun 2133,696-8,4254,9654,011
31 Mar 2124,741-11,0454,4576,251
31 Dec 2019,643-19,4747,1115,805
30 Sep 2025,818-30,80511,9543,710
30 Jun 2047,659-25,46512,0457,049
31 Mar 2085,472-8,11414,9205,340
31 Dec 19112,7703,61313,0355,488
30 Sep 19117,880-3,41928,1307,532
30 Jun 1999,183-12,98726,2804,192
31 Mar 1964,686-30,69823,7273,871
31 Dec 1837,937-29,49521,8284,118
30 Sep 18-637-8,1885,5593,313
30 Jun 1816,945-1,6145,9903,313
31 Mar 1829,7711,5786,7713,141
31 Dec 1743,988-4,0136,9673,162
30 Sep 1786,6441,3846,3113,617
30 Jun 1773,9211,2845,4753,617
31 Mar 1759,1251,2434,1213,529
31 Dec 1641,5025953,6413,098
30 Sep 1626,456-3,3233,0995,533
30 Jun 1619,911-5,3232,1595,533
31 Mar 1621,113-6,3553,2982,775
31 Dec 1529,688-4,3753,3393,507
30 Sep 1533,573-3,2163,4833,250

Quality Earnings: A069540 is currently unprofitable.

Growing Profit Margin: A069540 is currently unprofitable.


Free Cash Flow vs Earnings Analysis


Past Earnings Growth Analysis

Earnings Trend: A069540 is unprofitable, and losses have increased over the past 5 years at a rate of 23.2% per year.

Accelerating Growth: Unable to compare A069540's earnings growth over the past year to its 5-year average as it is currently unprofitable

Earnings vs Industry: A069540 is unprofitable, making it difficult to compare its past year earnings growth to the Communications industry (7%).


Return on Equity

High ROE: A069540 has a negative Return on Equity (-27.2%), 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 Analysis2026/07/05 03:18
End of Day Share Price 2026/07/03 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

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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

Lightron Fiber-Optic Devices Inc. is covered by 0 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.