오성첨단소재

052420KOSDAQView the 고무·플라스틱 sectorTheme 고무·플라스틱

8,340KRWMarket close of 10/21 (Wed)

Up +14.56%+1,060KRWMarket close of 10/21 (Wed)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/22 (Thu)8,250KRWDown -1.08%

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

Open: 7,130
High: 8,350
Low: 7,130
Day range: Day range low 7,130 high 8,350, open 7,130, close 8,340, previous close 7,280
Volume: 16×10K shares
: 1.3B KRW 4.36× the 20-session average

Market close of 10/21 (Wed)

Something to check

2 to check: bigger daily move than usual · more trading value than usual

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

Points to check

Daily moveto check+14.56%+14.56%, 7.0× the usual (20-session average ±2.08%)
That day +14.56% · usual ±2.08% · large-move threshold ±4.2%
Trading valueto check4.4×1.3B KRW, 4.4× the 20-session average
4.36× the 20-session average · check threshold 3×
Recent filingsnot verifiedOutside filing data coverage, so not verified

The other 3

Foreign & institutionalnot verified
EarningsOperating income, 8 quartersOperating income, 8 quarters
Data date10/21 (Wed)Market close

See the full check report

Key figures

: 81.2B KRW
: PER 1.16×, sector median 4.50× (37 stocks)1.16×
: PBR 0.26×, sector median 0.49× (48 stocks)0.26×
: 9,742,009 shares
Trading value ratio: 4.36× the 20-session average4.4×

Financials filed 2026-05-15 · KRX·DART

Something to check

2 to check: bigger daily move than usual · more trading value than usual

Daily moveto check+14.56% on the reference date, placed against the usual ±2.08% band7.0×
Trading valueto check4.36× the 20-session average4.4×1.3B KRW, 4.4× the 20-session average
Recent filingsnot verifiedOutside filing data coverage, so not verified
Foreign & institutionalnot verifiedOutside investor-flow coverage, so not verified
Earningsusual rangeQuarterly operating income bars (6); the four dark bars make up the sum25.1B KRW
Data dateusual rangeMarket close data of 2026-10-21

Quarterly results · Q1 2026

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

Revenue11.5B KRWRevenue bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
-72.2%
vs. prior quarter
-73.1%
Operating income3.4B KRWOperating income bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
-59.6%
vs. prior quarter
-54.5%
Operating margin29.7%Operating margin bars for the last 8 quarters; the dark bar is this quarter
vs. year ago
+9.2 pp
vs. prior quarter
+12.1 pp

Quarterly operating income trend

As of the latest official close · 2026-10-21Valuation filing date · 2026-05-15

2021Q1 968.08 million KRW2026Q1 3.4B KRWQ4 values are derived as the annual figure minus Q1–Q3. The value table marks them in the Type column.

Same sector · 고무·플라스틱

· 17 of 52 stocks up, preferred shares excluded · trading value 45.1B KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
한국타이어앤테크놀로지	Close over the last 20 sessions +4.6%	Down -1.60%	13.7B KRW
펌텍코리아	Close over the last 20 sessions +11.5%	Down -2.40%	8.1B KRW
금호타이어	Close over the last 20 sessions -21.8%	Up +1.10%	6.9B KRW
보원케미칼	Close over the last 20 sessions +42.7%	Down -5.46%	2.7B KRW
예선테크	Close over the last 20 sessions +9.8%	Down -3.84%	2.5B KRW

Schedule

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.