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디오

039840KOSDAQView the 의료·정밀기기 sectorTheme Bio & healthcare

9,990KRWMarket close of 10/27 (Tue)

Up +0.40%+40KRWMarket close of 10/27 (Tue)

Preliminary value — replaced once official KRX data for the same date is publishedClose of 10/28 (Wed)10,050KRWUp +0.60%

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

Open
9,990
High
10,200
Low
9,850
Day range
Day range low 9,850 high 10,200, open 9,990, close 9,990, previous close 9,950
Volume
5×10K shares
538.09 million KRW 0.57× the 20-session average

Market close of 10/27 (Tue)

Where it sits in the 1-year range

1-year close range 8,820 to 19,300 won, 11% up from the low

11% of the way up from the lowest close in 1 year (252 sessions) · -48.2% from the high

Usual range

Nothing unusual in the 4 checked items

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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

  • Recent filingsnot verifiedOutside filing data coverage, so not verified
  • Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
  • Daily moveusual range+0.40%+0.40%, 0.1× the usual (20-session average ±3.20%)
    That day +0.40% · usual ±3.20% · large-move threshold ±6.4%

The other 2 are within the usual range

  • Trading value0.6×usual range
  • EarningsOperating income, 8 quartersOperating income, 8 quarters
See the full check report

Quarterly results · Q1 2026

Source: DART financials (Q4 derived as annual − three quarters) · Amended filing reflected
  • Revenue41.3B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
    vs. year ago
    +15.4%
    vs. prior quarter
    -11.6%
  • Operating income4.1B KRWOperating income bars for the last 8 quarters; the dark bar is this quarter
    vs. year ago
    +172.5%
    vs. prior quarter
    +193.1%
  • Operating margin10.0%Operating margin bars for the last 8 quarters; the dark bar is this quarter
    vs. year ago
    +5.8 pp
    vs. prior quarter
    +7.0 pp

Quarterly operating income trend

As of the latest official close · 2026-10-27Valuation filing date · 2026-05-13
2021Q1 10.3B KRW2026Q1 4.1B KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 의료·정밀기기

Up +2.12%

· 64 of 101 stocks up, preferred shares excluded · trading value 174.2B KRW

Same sector · top by trading value
Stock20DChangeTrading value
디아이Close over the last 20 sessions +2.9%Up +4.71%19.5B KRW
티에스이Close over the last 20 sessions -10.0%Up +7.88%19.1B KRW
노을Close over the last 20 sessions +29.9%Down -7.14%15.8B KRW
씨어스Close over the last 20 sessions +5.0%Down -5.57%15.2B KRW
빅텍Close over the last 20 sessions +5.5%Down -0.16%14.6B 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 →

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