122640 - YEST Co., Ltd.

122640 Summary
Displays
Stock Price & Overview
₩27,150 +300 (+1.12%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩27,150  ≈ US$19  ·  Market cap ₩0.6tn (≈ $420m)

122640 Stock Price

20K30K40Kprev 27Kpeak 40KOctNovDecJan ’26FebMarAprMayJunJulAugSep27K
52 Week Range
₩15,750₩39,850
Day Range
₩26,900₩28,450
Market Cap
₩0.6tn
P/E (TTM)
68.25x
P/B
3.97x
P/S (TTM)
5.46x
P/CF (TTM)
133.28x
Volume
370,604
Shares Out
21.7M
Prev. Close
₩26,850
vs 52W High
-31.9%
Multiples use the close and the financials that were public on that date (DART), the same series as the Valuation tab — they are not vendor figures.

122640 Analysis

See all »

Nothing written yet for this company.

122640 News

See all »

No news written yet.

122640 Momentum

Period122640KOSDAQDifference
1 week-10.1%-3.0%-7.1%
1 month+28.1%+4.2%+23.9%
3 months+0.9%-22.5%+23.4%
6 months+25.7%-16.9%+42.6%
Year to date+52.5%-12.1%+64.6%
1 year+54.3%+1.0%+53.3%

Closed at 47% of the way from its 52-week low (₩15,750) to its 52-week high (₩39,850).

Price return on KRX closes, KOSDAQ on the same dates, no dividends. A period starts at the last trading day on or before the calendar date.

122640 Filings

See all »
ks

YEST wins ₩17.6bn Samsung furnace and chiller order

YEST secured a ₩17.578bn order from Samsung Electronics for semiconductor manufacturing furnaces and chillers. The value equals 20.19% of FY2025 consolidated revenue. YEST received the purchase order on August 24, 2026. The contract runs through June 30, 2027. Samsung pays 90% after delivery and 10% after setup. There is no advance payment. The filing does not state a profit margin.

Contract08/25/26kstock explained
₩17.6bn≈ $13m
DART

Half-Year Report

Periodic08/14/26title translated
DART

Single Supply Contract Signed

Contract08/12/26title translated
DART

Insider / Major Shareholder Holdings Report ×6

Ownership08/03/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

122640 Company Profile

YEST Co., Ltd. makes semiconductor production equipment in South Korea. It is listed on KOSDAQ, was founded in 2000, is based in Gyeonggi, and has revenue of tens of billions of won.

SectorDisplaysEmployees
MarketKOSDAQFounded2000
Korean name예스티Head officeGyeonggi

Similar to 122640

SymbolLast Price
084370Eugene Technology Co., Ltd.₩136,500
+4.4%
031980PSK Holdings, Inc.₩144,000
+11.2%
095610TES Co., Ltd.₩146,800
+9.6%
098460Koh Young Technology, Inc.₩27,900
+1.3%
089030Techwing, Inc.₩47,100
+2.1%
089970VM, Inc.₩52,800
+1.7%
183300Ko Mi Co., Ltd.₩25,100
+3.3%
083450Global Standard Technology Co., Ltd.₩43,000
+4.5%
053610Protec Co., Ltd.₩60,000
+3.3%
082270Gem Vax & KAEL Co., Ltd.₩10,560
+1.8%
Compare all 13 in Displays

What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.