Winstek Semiconductor Co Ltd (3265) fair value: what the stock is really worth
As of Sep 23, 2026: fair value of Winstek Semiconductor Co Ltd TWD 112, price TWD 180, upside -38.0%, quality 63 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
- Fair value above price? No
- Good quality? Yes
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Winstek Semiconductor Co Ltd
3265 · TWOStretched ValuationStrong overvaluation with only moderate quality.
What runs behind every stock
69 individual criteria per stock, every one traceable See the method →
Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 23, 2026.
How to read this chart
60‑month range 18.44 TWD – 192.50 TWD · fair‑value band 78.14 TWD – 145.12 TWD · the 180.00 TWD price screens above the 111.63 TWD fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Sep 23, 2026.
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Company profile
Winstek Semiconductor Co., Ltd., together with its subsidiaries, engages in the testing of integrated circuits and chip bumping and wafer packaging services in Taiwan. It operates in three segments: Test Business, Packaging Business, and Factory Development.
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Winstek Semiconductor Co., Ltd., together with its subsidiaries, engages in the testing of integrated circuits and chip bumping and wafer packaging services in Taiwan. It operates in three segments: Test Business, Packaging Business, and Factory Development. The company offers test services, such as wafer sort, final and post-test, engineering support, and test platforms services; and bump services, including copper pillar bump, wafer level chip scale package, lead free bump, plating bump/ball drop/RDL, 6S protection, heterogeneous bump, and backside metallization services. It also provides backend services comprising die processing, wafer thinning, singulation, and flip chip services; and verification analysis services, such as failure analysis and reliability testing services. The company was formerly known as Stats ChipPac Taiwan Semiconductor Corp. and changed its name to Winstek Semiconductor Co., Ltd. in June 2015. The company was founded in 2000 and is headquartered in Hsinchu City, Taiwan. Winstek Semiconductor Co., Ltd. is a subsidiary of SIGWIN Corporation.
Stock analysis
Winstek Semiconductor Co Ltd (3265) currently trades at 180.00 TWD, while our model-based Fair Value estimate is 111.63 TWD, implying the stock looks roughly 61.2% overvalued today.
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Valuation
Bull case: the Growth Earnings group reads highest at a median of 111.63 TWD per share, and 1 of the 16 models we run sit above the 180.00 TWD price.
Bear case: the Asset-Based group reads lowest at 31.28 TWD, and 15 of the 16 models stay below the price. Evidence for this calculation is high.
Scenario range: 78.14 TWD (bear) to 145.12 TWD (bull), the price of 180.00 TWD sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 63/100 (solid quality), in the Technology sector.
Expensive Growth: The company is growing, but growth may require heavy reinvestment or weak cash conversion.
Winstek Semiconductor Co Ltd reported revenue of 4.6B TWD in FY2025 versus 3.1B TWD in FY2021, a compound +10.8%/yr. Reported net income was 747M TWD in FY2025, compounding +17.3%/yr from FY2021.
Key figures
Market cap 24.5B TWD (≈ $770M) · P/E ratio 25.3 · P/S ratio 4.07 · EPS (TTM) 7.11 TWD · Dividend yield 2.3% · Net margin 16.1% · Return on equity 16.2% · Return on assets (EBIT) 10.7%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 48 out of 100 (medium confidence).
What moves the price
The share trades about 6% below its 52-week high and 108% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Technology peers we cover trades at −17% fair-value upside, at −38%, 3265 screens richer than that median.
Fair Value models
All 16 models by family
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Set up alert →Quality Score breakdown
Of which business quality 62 · Market factors (momentum, volatility) 72
Revenue & earnings trend
3265 screens 61% overvalued. Compare with NVIDIA Corporation →
Compare Winstek Semiconductor Co Ltd with another stock
Price, fair value, quality and upside side by side.
Peer Groupⓘ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.Semiconductors · 335 stocks
Valuation Multiplesvs Semiconductors median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Information Technology sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Undervalued stocks: Taiwanese Stocks
- Valuation of the Taiwan market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Semiconductors stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| NVIDIA Corporation NVDA | $228.87 | $197.96 | −14% |
| Taiwan Semiconductor Manufacturing Company TSM | $452.00 | $497.20 | +10% |
| Broadcom Inc AVGO | $364.54 | $303.52 | −17% |
| SK hynix Inc 000660 | 1,862,000 KRW | 2,048,200 KRW | +10% |
| Micron Technology, Inc MU | $1,096 | $151.51 | −86% |
| Advanced Micro Devices, Inc AMD | $623.77 | $122.74 | −80% |
| Intel Corporation INTC | $123.86 | $35.41 | −71% |
| Texas Instruments Incorporated TXN | $271.41 | $82.09 | −70% |
| Arm Holdings ARM | $333.20 | $44.44 | −87% |
| QUALCOMM Incorporated QCOM | $198.27 | $218.10 | +10% |
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Key figures of Winstek Semiconductor Co Ltd
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