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서울전자통신

027040KOSDAQView the 전기장비 sectorTheme Electrical equipment & refining

1,792KRWMarket close of 10/27 (Tue)

Up +4.25%+73KRWMarket close of 10/27 (Tue)

Preliminary value — replaced once official KRX data for the same date is publishedClose of 10/28 (Wed)1,709KRWDown -4.63%

Preliminary · replaced once official KRX data for the same date is published

Open
1,785
High
1,805
Low
1,710
Day range
Day range low 1,710 high 1,805, open 1,785, close 1,792, previous close 1,719
Volume
4×10K shares
69.86 million KRW 0.07× the 20-session average

Market close of 10/27 (Tue)

Something to check

1 to check: operating loss

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

Data dateMost recent closing data10/27 (Tue)
Market close data of 2026-10-27

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 2 are within the usual range

  • Daily move+4.25%usual range
  • Trading value0.1×usual range

With 101 trading days, the 1-year position isn't calculated · First data date 5/28 (Thu)

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 · 2026-10-27Valuation 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 +2.25%

· 53 of 66 stocks up, preferred shares excluded · trading value 608.1B KRW

Same sector · top by trading value
Stock20DChangeTrading value
HD현대일렉트릭Close over the last 20 sessions -36.4%Up +0.67%86.4B KRW
대한광통신Close over the last 20 sessions -22.6%Up +2.39%70.4B KRW
효성중공업Close over the last 20 sessions -33.9%Up +3.29%68.0B KRW
LS ELECTRICClose over the last 20 sessions -23.1%Up +3.40%60.4B KRW
서진시스템Close over the last 20 sessions -6.7%Down -4.31%48.0B KRW

Schedule

  • Next data 10/29 (Thu) after 08:50

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Investor flows, financials and valuation are provided for 369 stocks. These stocks account for about 82% 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.