Sejin T.S Co (067770) Fair Value & Analysis
Technology · KR · Market cap 17.0B KRW
Fair value as of: Jul 20, 2026
From 10 valuation models · updated 21 days ago
Share price +15.4% over the past month.
Below-average quality, and screening another 31% overvalued on our models.
What matters now
- The price sits above even our optimistic bull case (1,979 KRW). The favourable scenario is already priced in.
- Weak quality (44/100) and above fair value at the same time, the margin of safety is missing on both counts.
Price vs Fair Value (5 years)
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Jul 20, 2026.
How to read this chart
60‑month range 1,481 KRW – 7,640 KRW · fair‑value band 1,235 KRW – 1,979 KRW · the 2,325 KRW price screens above the 1,607 KRW fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Jul 20, 2026.
Analysis
Sejin T.S Co (067770) currently trades at 2,325 KRW, while our model-based Fair Value estimate is 1,607 KRW, implying the stock looks roughly 30.9% overvalued today. The Quality Score stands at 44/100 (below-average 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: medium).
Over the trailing twelve months, Sejin T.S Co generated revenue of 18.9B KRW at a net margin of 3.2%. Revenue declined 46.5% year over year. Fundamentals as of Jul 20, 2026
Our scenario range runs from 1,235 KRW (bear case) to 1,979 KRW (bull case); at 2,325 KRW, the current price sits above that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. The share trades about 7% below its 52-week high and 45% above its 52-week low, currently above its 200-day average. For context, the median of 10 Technology peers we cover trades at 22% fair-value upside, at -31%, 067770 screens richer than that median.
Fair Value models
Each model estimates fair value its own way; the Fair Value above is the evidence-weighted blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small.
All 10 models by family
Widest divergence: Asset-Based (3,846 KRW) versus Earnings-Based (716.41 KRW). Highest evidence: Residual Income (76).
Notify me when 067770 reaches fair value
Free. You confirm by email (double opt-in) and can unsubscribe anytime in one click.
Key figures & financial health
More key figures
Figures from reported company fundamentals · as of Jul 20, 2026. TTM = trailing twelve months.
Quality Score breakdown
Of which business quality 47 · Market factors (momentum, volatility) 39
Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.
About the company
Sejin T.S Co.,Ltd produces and sells specialty functional base film products in Korea. The company offers printing optical films for LCD backlights; film parts for displays, AV, OA tools, electronic parts, vehicles, etc.; and polycarbonate, acryl, co-extrusion, and patterned films.
Full company description
Sejin T.S Co.,Ltd produces and sells specialty functional base film products in Korea. The company offers printing optical films for LCD backlights; film parts for displays, AV, OA tools, electronic parts, vehicles, etc.; and polycarbonate, acryl, co-extrusion, and patterned films. It is also involved in the printing and pressing optical films for display; and secondary functional film conversion. The company was formerly known as SEJIN Co. and changed its name to Sejin T.S Co.,Ltd in June 1996. Sejin T.S Co.,Ltd was founded in 1990 and is headquartered in Anseong, South Korea.
Company description, as reported by the company or data provider.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
Sejin T.S Co reported revenue of 11.9B KRW in FY2025 versus 27.0B KRW in FY2021, a compound −18.5%/yr. Reported net income was 714M KRW in FY2025, compounding −29.4%/yr from FY2021.
067770 screens 31% overvalued. Compare with STCube, Inc →
Peer Group
Electronic Equipment & Parts · 21 stocks
How this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
ESG scores are not available for this stock yet. Values and ESG data are contextual and can differ between providers.
Similar stocks
10 more Electronic Equipment & Parts stocks, each showing price versus our Fair Value estimate (as of Jul 20, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| STCube, Inc 052020 | 7,000 KRW | 850.56 KRW | -88% |
| VINATech Co 126340 | 55,700 KRW | 9,538 KRW | -83% |
| Partron Co 091700 | 5,650 KRW | 11,424 KRW | +102% |
| Amotech Co 052710 | 15,560 KRW | 9,214 KRW | -41% |
| KHVATEC Co 060720 | 10,010 KRW | 17,111 KRW | +71% |
| MNTech Co 095500 | 6,820 KRW | 8,280 KRW | +21% |
| Namuga Co 190510 | 12,630 KRW | 33,453 KRW | +165% |
| Powerlogics. Co 047310 | 2,820 KRW | 3,441 KRW | +22% |
| e-LITECOM CO., Ltd 041520 | 8,910 KRW | 11,520 KRW | +29% |
| Ajinextek Co 059120 | 4,315 KRW | 1,177 KRW | -73% |
Compare Sejin T.S Co with another stock
Price, fair value, quality and upside side by side.
Explore undervalued stocks
More undervalued Technology stocks →
Frequently asked questions
Is Sejin T.S Co (067770) overvalued or undervalued?
What is the fair value of 067770?
What is the quality score of 067770?
What is the revenue of Sejin T.S Co (067770)?
What is the net profit margin of 067770?
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.
Track Sejin T.S Co and try Pro for 14 days
One email gets you 14 days of full Pro (review alerts, the 35,000+ stock screener, the diversification check) plus the monthly Top-25 report of the most undervalued quality stocks. No card, cancel anytime.
Zero risk: nothing is ever charged. After 14 days you decide whether to stay.