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서울전자통신

027040KOSDAQView the 전기장비 sectorTheme Electrical equipment & refining

1,813KRWMarket close of 10/21 (Wed)

Down -0.06%-1KRWMarket close of 10/21 (Wed)

Open
1,814
High
1,860
Low
1,787
Day range
Day range low 1,787 high 1,860, open 1,814, close 1,813, previous close 1,814
Volume
4×10K shares
75.46 million KRW 0.07× the 20-session average

Market close of 10/21 (Wed)

Something to check

1 to check: operating loss

Free · no sign-inSource from 2021-05-17

Points to check

  • Earningsto check-2.2B KRWOperating income over the last four quarters -2.2B KRW (loss)Operating income, 8 quarters
  • Recent filingsnot verifiedOutside filing data coverage, so not verified
  • Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified

The other 3 are within the usual range

  • Daily move-0.06%usual range
  • Trading value0.1×usual range
  • Data date10/21 (Wed)Market close
See the full check report

Quarterly results · Q1 2026

Source: DART financials (Q4 derived as annual − three quarters)
  • Revenue5.9B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
    vs. year ago
    -32.6%
    vs. prior quarter
    -15.8%
  • Operating income-746.92 million KRWOperating income bars for the last 8 quarters; the dark bar is this quarter
    vs. year ago
    Still a loss
    vs. prior quarter
    Still a loss
  • Operating margin-12.6%Operating margin bars for the last 8 quarters; the dark bar is this quarter
    vs. year ago
    -10.5 pp
    vs. prior quarter
    +3.9 pp

Quarterly operating income trend

As of the latest official close · 2026-10-21Valuation filing date · 2026-05-15
2021Q1 77.85 million KRW2026Q1 -746.92 million KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 전기장비

Up +3.60%

· 39 of 66 stocks up, preferred shares excluded · trading value 844.6B KRW

Same sector · top by trading value
Stock20DChangeTrading value
대한광통신Close over the last 20 sessions -11.3%Up +12.24%174.3B KRW
LS ELECTRICClose over the last 20 sessions -17.8%Up +7.02%152.0B KRW
효성중공업Close over the last 20 sessions -31.9%Up +3.01%101.8B KRW
서진시스템Close over the last 20 sessions -0.7%Down -10.88%92.3B KRW
HD현대일렉트릭Close over the last 20 sessions -29.9%Up +2.36%56.7B KRW

Schedule

  • Next data 10/23 (Fri) after 08:50

Investor flows, financials and valuation are provided for 369 stocks. These stocks account for about 85% of trading value, about 92% of market capitalisation. Coverage status →

For information only, not a solicitation to invest. Investment decisions and their results are your own responsibility.