디알텍

214680KOSDAQView the 의료·정밀기기 sectorTheme Bio & healthcare

3,400KRWMarket close of 10/20 (Tue)

Down -8.97%-335KRWMarket close of 10/20 (Tue)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/21 (Wed)3,550KRWUp +4.41%

Preliminary · just after the close · replaced by official KRX data tomorrow morning

Open: 3,620
High: 3,655
Low: 3,375
Day range: Day range low 3,375 high 3,655, open 3,620, close 3,400, previous close 3,735
Volume: 24×10K shares
: 829.40 million KRW 1.34× the 20-session average

Market close of 10/20 (Tue)

Something to check

2 to check: bigger daily move than usual · operating loss

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

Points to check

Daily moveto check-8.97%-8.97%, 2.8× the usual (20-session average ±3.18%)
That day -8.97% · usual ±3.18% · large-move threshold ±6.4%
Earningsto check-11.0B KRWOperating income over the last four quarters -11.0B KRW (loss)Operating income, 8 quarters
Recent filingsnot verifiedOutside filing data coverage, so not verified

The other 3

Foreign & institutionalnot verified
Trading value1.3×usual range
Data date10/20 (Tue)Market close

See the full check report

Key figures

: 56.8B KRW
: Not computed — loss-making, or the four quarters are incomplete
: 0.74×
: 16,691,951 shares
Trading value ratio: 1.34× the 20-session average1.3×

Financials filed 2026-05-15 · KRX·DART

Something to check

2 to check: bigger daily move than usual · operating loss

Daily moveto check-8.97% on the reference date, placed against the usual ±3.18% band2.8×
Earningsto checkQuarterly operating income bars (6); the four dark bars make up the sum-11.0B KRW
Recent filingsnot verifiedOutside filing data coverage, so not verified
Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
Trading valueusual range1.34× the 20-session average1.3×
Data dateusual rangeMarket close data of 2026-10-20

Quarterly results · Q1 2026

Source: DART financials (Q4 derived as annual − three quarters) · Amended filing reflected

Revenue31.8B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+25.5%
vs. prior quarter
+36.4%
Operating income-596.33 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-1.9%Operating margin bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+12.0 pp
vs. prior quarter
+53.7 pp

Quarterly operating income trend

As of the latest official close · 2026-10-20Valuation filing date · 2026-05-15

2021Q1 1.1B KRW2026Q1 -596.33 million KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 의료·정밀기기

· 14 of 100 stocks up, preferred shares excluded · trading value 277.2B KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
빅텍	Close over the last 20 sessions +15.7%	Up +10.98%	76.6B KRW
큐리옥스바이오시스템즈	Close over the last 20 sessions +14.0%	Down -22.08%	56.8B KRW
케이씨텍	Close over the last 20 sessions +29.1%	Down -9.36%	22.5B KRW
티에스이	Close over the last 20 sessions +8.2%	Down -6.07%	22.5B KRW
디아이	Close over the last 20 sessions +13.1%	Down -8.39%	21.3B KRW

Schedule

Next data 10/22 (Thu) after 08:50

Investor flows, financials and valuation are provided for 369 stocks. These stocks account for about 81% 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.