YAS Co (255440) Fair Value & Analysis
Technology · KR · Market cap 98.8B KRW
Fair value as of: Jul 7, 2026
From 1 valuation models · updated today
Fair value updated Jul 7, 2026 — revised from 67,090 KRW to 2,421 KRW (−96.4%) since Jun 24, 2026. Share price −7.1% over the past month.
Price vs Fair Value (12 months)
12‑month range 6,670 KRW – 12,270 KRW · fair‑value band 1,598 KRW – 3,026 KRW · the 7,880 KRW price screens above the 2,421 KRW fair value. As of Jul 7, 2026.
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YAS Co (255440) currently trades at 7,880 KRW, while our model-based Fair Value estimate is 2,421 KRW — implying the stock looks roughly 69.3% overvalued today. We read business quality at 55/100 (solid quality), in the Technology sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium — the entry price still matters most (evidence: low).
Over the trailing twelve months, YAS Co generated revenue of 63.4B KRW at a net margin of 8.2%. It earns a return on equity of 3.8%. Fundamentals as of Jul 7, 2026
Our scenario range runs from 1,598 KRW (bear case) to 3,026 KRW (bull case); at 7,880 KRW, the current price sits above that range. The share trades about 41% below its 52-week high and 21% above its 52-week low, currently below its 200-day average. For context, the median of 10 Technology peers we cover trades at -74% fair-value upside — at -69%, 255440 screens cheaper than that median.
Key figures & financial health
More key figures
Figures from reported company fundamentals (EODHD) · as of Jul 7, 2026. TTM = trailing twelve months.
About the company
YAS Co., Ltd. engages in the manufacture and sale of OLED process equipment for use in OLED TVs, OLED lighting products, solar cells, and others in South Korea. The company offers OLED mass production systems; CIGS solar cells; and various equipment for research and development comprising MBE, steel thin film deposition, PLD, RF-magnetron sputter, OLED/CIGS, and UHV CVD systems, as well as OLED test systems. It also provides circular, linear, and point nozzle source parts; equipment to control and monitor evaporation source's temperature and deposition speed; glass chucks to maintain substrate in large-scaled substrates; and mask chucks to minimize distance between substrate and magnetic chuck, as well as system renovation services to enhance equipment performance by reconstructing chamber. The company was founded in 2002 and is headquartered in Paju-Si, South Korea.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
YAS Co reported revenue of 34.8B KRW in FY2025 versus 49.7B KRW in FY2021, a compound −8.5%/yr. Reported net income was −5.5B KRW in FY2025.
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10 more Semiconductor Equipment & Materials stocks, each showing price versus our Fair Value estimate (as of Jul 7, 2026).
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|---|---|---|---|
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| Advantest Corporation ATEYY | $190.45 | $66.32 | -65% |
| NAURA Technology Group 002371 | ¥745.00 | ¥88.30 | -88% |
| Hon. Precision, Inc 7769 | 7,055 TWD | 2,405 TWD | -66% |
| Advanced Micro-Fabrication Equipment Inc 688012 | ¥372.74 | ¥70.03 | -81% |
| Hangzhou Changchuan Technology Co 300604 | ¥206.73 | ¥27.10 | -87% |
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How we calculate Fair Value
Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data — nothing guessed.
Not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.