해성옵틱스

076610KOSDAQView the 의료·정밀기기 sectorTheme Bio & healthcare

1,003KRWMarket close of 10/27 (Tue)

Up +0.50%+5KRWMarket close of 10/27 (Tue)

Preliminary value — replaced once official KRX data for the same date is publishedClose of 10/28 (Wed)1,040KRWUp +3.69%

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

Open: 1,010
High: 1,025
Low: 980
Day range: Day range low 980 high 1,025, open 1,010, close 1,003, previous close 998
Volume: 26×10K shares
: 257.07 million KRW 0.43× the 20-session average

Market close of 10/27 (Tue)

Where it sits in the 1-year range

22% of the way up from the lowest close in 1 year (252 sessions) · -64.0% from the high

Something to check

1 to check: operating loss

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-2.8B KRWOperating income over the last four quarters -2.8B 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+0.50%usual range
Trading value0.4×usual range

See the full check report

Key figures

: 61.1B KRW
: Not computed — loss-making, or the four quarters are incomplete
: 2.16×
: 60,914,031 shares
Trading value ratio: 0.43× the 20-session average0.4×

52-week closing rangeNow 1,003

4942,785

Financials filed 2026-07-31 · KRX·DART

Something to check

1 to check: operating loss

Earningsto checkQuarterly operating income bars (6); the four dark bars make up the sum-2.8B KRW
Recent filingsnot verifiedOutside filing data coverage, so not verified
Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
Daily moveusual range+0.50% on the reference date, placed against the usual ±2.48% band0.2×
Trading valueusual range0.43× the 20-session average0.4×
Data dateusual rangeMarket close data of 2026-10-27

Quarterly results · Q1 2026

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

Revenue69.5B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+125.1%
vs. prior quarter
+26.5%
Operating income703.77 million KRWOperating income bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
Turned profitable
vs. prior quarter
+4.1%
Operating margin1.0%Operating margin bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+11.5 pp
vs. prior quarter
-0.2 pp

Quarterly operating income trend

As of the latest official close · 2026-10-27Valuation filing date · 2026-07-31

2021Q1 -6.5B KRW2026Q1 703.77 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

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

Same sector · top by trading value
Stock	20D	Change	Trading value
디아이	Close over the last 20 sessions +2.9%	Up +4.71%	19.5B KRW
티에스이	Close over the last 20 sessions -10.0%	Up +7.88%	19.1B KRW
노을	Close over the last 20 sessions +29.9%	Down -7.14%	15.8B KRW
씨어스	Close over the last 20 sessions +5.0%	Down -5.57%	15.2B KRW
빅텍	Close over the last 20 sessions +5.5%	Down -0.16%	14.6B KRW

Schedule

Next data 10/29 (Thu) after 08:50

Related news

All news

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.