아이에이

038880KOSDAQView the 전자부품 sectorTheme Semiconductors & electronics

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

Down -0.58%-20KRWMarket close of 10/20 (Tue)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/21 (Wed)3,300KRWDown -2.94%

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

Open: 3,420
High: 3,440
Low: 3,320
Day range: Day range low 3,320 high 3,440, open 3,420, close 3,400, previous close 3,420
Volume: 1×10K shares
: 23.37 million KRW 0.47× the 20-session average

Market close of 10/20 (Tue)

Something to check

1 to check: operating loss

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

Points to check

Earningsto check-5.4B KRWOperating income over the last four quarters -5.4B 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-0.58%usual range
Trading value0.5×usual range
Data date10/20 (Tue)Market close

See the full check report

Key figures

: 25.5B KRW
: Not computed — loss-making, or the four quarters are incomplete
: 0.44×
: 7,514,423 shares
Trading value ratio: 0.47× the 20-session average0.5×

Financials filed 2026-05-15 · KRX·DART

Something to check

1 to check: operating loss

Earningsto checkQuarterly operating income bars (6); the four dark bars make up the sum-5.4B KRW
Recent filingsnot verifiedOutside filing data coverage, so not verified
Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
Daily moveusual range-0.58% on the reference date, placed against the usual ±3.32% band0.2×
Trading valueusual range0.47× the 20-session average0.5×
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

Revenue27.6B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+107.6%
vs. prior quarter
+220.1%
Operating income184.77 million KRWOperating income bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
Turned profitable
vs. prior quarter
Turned profitable
Operating margin0.7%Operating margin bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+13.4 pp
vs. prior quarter
+25.1 pp

Quarterly operating income trend

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

2021Q1 1.7B KRW2026Q1 184.77 million KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 전자부품

· 18 of 126 stocks up, preferred shares excluded · trading value 2.14 trillion KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
삼성전기	Close over the last 20 sessions -16.4%	Down -1.28%	838.6B KRW
대덕전자	Close over the last 20 sessions +30.1%	Down -1.12%	205.8B KRW
코리아써키트	Close over the last 20 sessions +42.4%	Up +12.40%	160.7B KRW
한화시스템	Close over the last 20 sessions +2.6%	Down -13.90%	138.0B KRW
심텍	Close over the last 20 sessions -5.1%	Down -2.13%	127.9B 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.