아이씨티케이

456010KOSDAQView the 반도체 sectorTheme Semiconductors & electronics

18,820KRWMarket close of 10/21 (Wed)

Down -0.69%-130KRWMarket close of 10/21 (Wed)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/22 (Thu)17,630KRWDown -6.32%

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

Open: 19,120
High: 19,350
Low: 18,390
Day range: Day range low 18,390 high 19,350, open 19,120, close 18,820, previous close 18,950
Volume: 28×10K shares
: 5.3B KRW 0.24× the 20-session average

Market close of 10/21 (Wed)

Where it sits in the 1-year range

31% of the way up from the lowest close in 1 year (252 sessions) · -48.2% from the high

Something to check

1 to check: operating loss

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

Points to check

Earningsto check-8.6B KRWOperating income over the last four quarters -8.6B KRW (loss)Operating income, 6 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-0.69%usual range
Trading value0.2×usual range
Data date10/21 (Wed)Market close

See the full check report

Key figures

: 275.4B KRW
: Not computed — loss-making, or the four quarters are incomplete
: 5.87×
: 14,634,503 shares
Trading value ratio: 0.24× the 20-session average0.2×

52-week closing rangeNow 18,820

11,09036,350

Financials filed 2026-08-14 · KRX·DART

Something to check

1 to check: operating loss

Earningsto checkQuarterly operating income bars (6); the four dark bars make up the sum-8.6B KRW
Recent filingsnot verifiedOutside filing data coverage, so not verified
Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
Daily moveusual range-0.69% on the reference date, placed against the usual ±5.47% band0.1×
Trading valueusual range0.24× the 20-session average0.2×5.3B KRW, 0.2× the 20-session average
Data dateusual rangeMarket close data of 2026-10-21

Quarterly results · Q2 2026

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

Revenue1.7B KRWRevenue bars for the last 6 quarters; the dark bar is this quarter
vs. year ago
+107.7%
vs. prior quarter
+185.0%
Operating income-1.9B KRWOperating income bars for the last 6 quarters; the dark bar is this quarter
vs. year ago
Still a loss
vs. prior quarter
Still a loss
Operating margin-112.6%Operating margin bars for the last 6 quarters; the dark bar is this quarter
vs. year ago
+201.3 pp
vs. prior quarter
+390.5 pp

Quarterly operating income trend

As of the latest official close · 2026-10-21Valuation filing date · 2026-08-14

2025Q1 -2.6B KRW2026Q2 -1.9B KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 반도체

· 47 of 70 stocks up, preferred shares excluded · trading value 10.19 trillion KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
SK하이닉스	Close over the last 20 sessions -25.8%	Up +5.81%	5,460.5B KRW
삼성전자	Close over the last 20 sessions -11.5%	Up +5.67%	3,842.7B KRW
제주반도체	Close over the last 20 sessions -5.7%	Up +3.64%	53.2B KRW
SFA반도체	Close over the last 20 sessions +9.2%	Up +6.30%	48.0B KRW
하나마이크론	Close over the last 20 sessions +3.2%	Up +2.78%	40.6B KRW

Schedule

Q3 report due · 11/16 (Mon) · in 24 days
Next data 10/23 (Fri) after 08:50

Investor flows, financials and valuation are provided for 369 stocks. These stocks account for about 85% 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.