광전자

017900KOSPIView the 반도체 sectorTheme Semiconductors & electronics

7,830KRWMarket close of 10/20 (Tue)

Down -4.74%-390KRWMarket close of 10/20 (Tue)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/21 (Wed)8,070KRWUp +3.07%

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

Open: 8,150
High: 8,220
Low: 7,740
Day range: Day range low 7,740 high 8,220, open 8,150, close 7,830, previous close 8,220
Volume: 54×10K shares
: 4.2B KRW 0.07× the 20-session average

Market close of 10/20 (Tue)

Where it sits in the 1-year range

38% of the way up from the lowest close in 1 year (252 sessions) · -56.0% from the high

Usual range

Nothing unusual in the 3 checked items

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

Points to check

Earningsnot verifiedThe last four quarters are incomplete, so not verified
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-4.74%usual range
Trading value0.1×usual range
Data date10/20 (Tue)Market close

See the full check report

Key figures

: 453.7B KRW
: PER 67.64×, sector median 11.58× (23 stocks)67.64×
: PBR 1.87×, sector median 1.55× (53 stocks)1.87×
: 57,943,763 shares
Trading value ratio: 0.07× the 20-session average0.1×

52-week closing rangeNow 7,830

1,76317,780

Financials filed 2026-05-15 · KRX·DART

Usual range

Nothing unusual in the 3 checked items

Earningsnot verifiedThe last four quarters are incomplete, so not verified
Recent filingsnot verifiedOutside filing data coverage, so not verified
Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
Daily moveusual range-4.74% on the reference date, placed against the usual ±3.65% band1.3×
Trading valueusual range0.07× the 20-session average0.1×4.2B KRW, 0.1× the 20-session average
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

Revenue34.5B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
-2.8%
vs. prior quarter
—
Operating income674.69 million KRWOperating income bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
-63.8%
vs. prior quarter
—
Operating margin2.0%Operating margin bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
-3.3 pp
vs. prior quarter
—

Quarterly operating income trend

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

2021Q1 527.40 million KRW2026Q1 674.69 million KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 반도체

· 7 of 71 stocks up, preferred shares excluded · trading value 8.56 trillion KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
SK하이닉스	Close over the last 20 sessions -30.5%	Down -4.23%	4,231.2B KRW
삼성전자	Close over the last 20 sessions -16.6%	Down -2.98%	3,515.9B KRW
하나마이크론	Close over the last 20 sessions +8.0%	Down -4.31%	41.4B KRW
제주반도체	Close over the last 20 sessions -7.7%	Down -4.62%	41.3B KRW
DB하이텍	Close over the last 20 sessions -19.5%	Down -5.72%	29.7B 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.