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TaiRx, Inc. (6580) fair value: what the stock is really worth

As of Sep 24, 2026: fair value of TaiRx, Inc. TWD 3.29, price TWD 14.45, upside -77.2%, quality 46 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? No
  2. Good quality? No
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Healthcare · TW · ISIN TW0006580004

TI Thin data Sep 24, 2026

TaiRx, Inc.

6580 · TWO

Weakest SetupStrongly overvalued and low quality.

!Fair value 3.29 TWD · Strongly overvalued (−77%)
!Quality 46/100
!Expensive Growth (revenue 5y +52.7 %/yr)
!negative free cash flow
!Mixed vs. peers (4/7)
!Narrow moat 8/100
!Evidence only low, so the estimate is less certain
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What runs behind every stock

26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

69 individual criteria per stock, every one traceable See the method →

Price vs Fair Value

84.76 TWD 12.30 TWD Fair Value 3.29 TWD Apr 2021 Sep 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 24, 2026.

How to read this chart

60‑month range 12.30 TWD – 84.76 TWD · fair‑value band 2.17 TWD – 4.11 TWD · the 14.45 TWD price screens above the 3.29 TWD fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Sep 24, 2026.

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Company profile

TaiRx, Inc. focuses on the development and commercialization of therapeutics for the treatment of cancer and other diseases. The company's products under development include CVM-1118, an oral anti-cancer drug that is Phase II clinical trial.

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TaiRx, Inc. focuses on the development and commercialization of therapeutics for the treatment of cancer and other diseases. The company's products under development include CVM-1118, an oral anti-cancer drug that is Phase II clinical trial. Its pre-clinical products comprise TRX-920, an oral delivery formulation; and TRX-105, a molecule developed for treating and alleviating symptoms of various colitis. The company also offers Zelnite, a drug that helps in treatment of selenium deficiency; and focuses on development of the nodal diagnostic devices and anti-body drugs for the use in cancer therapy. TaiRx, Inc. was founded in 2011 and is based in Taipei, Taiwan.

Stock analysis

TaiRx, Inc. (6580) currently trades at 14.45 TWD, while our model-based Fair Value estimate is 3.29 TWD, implying the stock looks roughly 339.2% overvalued today.

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Valuation

How firm this estimate is: it rests on 1 models at a data quality of 95/100, which puts the evidence level at low.

Scenario range: 2.17 TWD (bear) to 4.11 TWD (bull), the price of 14.45 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 46/100 (below-average quality), in the Healthcare sector.

Expensive Growth: The company is growing, but growth may require heavy reinvestment or weak cash conversion.

TaiRx, Inc. reported revenue of 27.9M TWD in FY2025 versus 5.1M TWD in FY2021, a compound +52.6%/yr. Reported net income was −221M TWD in FY2025.

Key figures

Market cap 1.6B TWD (≈ $50.9M) · P/S ratio 56.5 · EPS (TTM) −2.00 TWD · Return on equity −40.8% · Return on assets (EBIT) −31.3% · Operating margin −776% · Revenue (TTM) 27.9M TWD · Revenue growth (YoY) +156%.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 32 out of 100 (low confidence).

What moves the price

The share trades about 51% below its 52-week high and 17% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Healthcare peers we cover trades at −5% fair-value upside, at −77%, 6580 screens richer than that median.

Fair Value models

Bear 2.17 TWD Fair Value 3.29 TWD Bull 4.11 TWD
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model. Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Highest evidence
NCAV (Graham) 1.97 TWD 2.64 TWD 3.94 TWD 51
All 1 models by family
Asset-Based
NCAV (Graham) 1.97 TWD 2.64 TWD 3.94 TWD 51

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Quality Score breakdown

Overall quality 46/100

Of which business quality 47 · Market factors (momentum, volatility) 30

Profitability 1
Margins and returns on capital today
Quality Growth 75
Are margins and returns improving?
Cashflow 7
Earnings quality: real cash, not paper profit
Fin. Strength 99
Balance sheet, leverage, solvency risk
Investment 96
Disciplined investing over empire-building
Low Volatility 54
Calm price path (market factor)
Momentum 27
Price trend over the last 3–12 months (market factor)
52W Momentum 6
Distance to the 52-week high (market factor)
Net Issuance 31
Share count: buybacks or dilution?

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Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 44/100
The company is growing, but growth may require heavy reinvestment or weak cash conversion.
Revenue growth 1 year
+239.0%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+59.1%
Revenue growth 5 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+52.7%
Start year 2020 (pandemic)
Revenue growth 6 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+43.8%
Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
−4,853.3% (2020) → −851.5% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
not computed

6580 screens 339% overvalued. Compare with Vertex Pharmaceuticals Incorporated →

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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.Biotechnology · 649 stocks

Beats the industry median on 4/6 measures
Overall it ranks above its industry peers.
Valuation
Quality Score 47 · Above median
Fair Value upside −77% · Bottom 25%
Profitability
Return on assets −26% · Below median
Growth and dividend
Revenue growth 156% · Top 25%

Valuation Multiplesvs Biotechnology median · lower = cheaper

P/B 0.12× · Cheapest 25%
P/S (TTM) 1.83× · Cheaper than median

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)0 · sector 0
FUTURE (revenue growth)100 · sector 0
PAST (return on equity)0 · sector 0
HEALTH (low debt)0 · sector 97
DIVIDEND (yield)0 · sector 23

VALUE 0: the price sits above our fair-value range.

Context: sector, industry, market

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

Similar stocks

10 more Biotechnology stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value
Vertex Pharmaceuticals Incorporated VRTX $516.34 $567.97 +10%
Regeneron Pharmaceuticals, Inc REGN $801.82 $1,252 +56%
argenx SE ARGX $963.79 $918.60 −5%
Samsung Biologics Co 207940 1,366,000 KRW 1,502,600 KRW +10%
CSL Limited CSL A$179.12 A$197.03 +10%
Alnylam Pharmaceuticals, Inc ALNY $251.65 $218.36 −13%
Royalty Pharma plc RPRX $58.52 $24.22 −59%
BeOne Medicines AG 6160 HK$218.20 HK$169.72 −22%
Celltrion, Inc 068270 177,400 KRW 74,519 KRW −58%
BioNTech SE BNTX $100.87 $63.62 −37%

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TaiRx, Inc. · Fair Value
3.29 TWD −339%Fair Value
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Cite: Fair Value Calculator (2026). "TaiRx, Inc. Fair Value". https://www.fairvalue-calculator.com/stock/6580

Frequently asked questions

Is TaiRx, Inc. (6580) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of 3.29 TWD versus a price of 14.45 TWD, about −77% upside (overvalued).
What is the fair value of 6580?
Our model-based fair value for TaiRx, Inc. is 3.29 TWD (as of Sep 24, 2026), built from audited fundamentals. The current price: 14.45 TWD.
What is the quality score of 6580?
TaiRx, Inc. has a Quality Score of 46/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for TaiRx, Inc. (6580)?
Our model-based price target is the fair value of 3.29 TWD (as of Sep 24, 2026) from 1 valuation models. Cautious scenario 2.17 TWD, optimistic scenario 4.11 TWD. It is a calculation from audited fundamentals, not an analyst target.
What is the TaiRx, Inc. stock forecast for 2026?
Our models put fair value at 3.29 TWD, about −77% upside versus a price of 14.45 TWD (overvalued). Cautious scenario 2.17 TWD, optimistic scenario 4.11 TWD. The calculation is refreshed regularly with new filings.
What is the revenue of TaiRx, Inc. (6580)?
TaiRx, Inc. reported trailing-twelve-month revenue of about 27.9M TWD (latest available figure, as of Sep 24, 2026).
What is the intrinsic value of TaiRx, Inc. (6580)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For TaiRx, Inc. it is 3.29 TWD per share (as of Sep 24, 2026), against a price of 14.45 TWD. It is the blended result of 1 valuation models (cash flow, earnings, asset, dividend).
Is TaiRx, Inc. stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 6580 trades above its calculated fair value: price 14.45 TWD, fair value 3.29 TWD, a gap of about −77% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of 6580?
No. The price is what the market pays today (14.45 TWD); the fair value is what the company's own numbers justify (3.29 TWD). For TaiRx, Inc. the two are 11.16 TWD per share apart. That gap is exactly why we show both numbers side by side.
How much is TaiRx, Inc. worth?
The market values TaiRx, Inc. at about 1.6B TWD (market capitalisation, as of Sep 24, 2026). Per share that is 14.45 TWD; our models calculate a fair value of 3.29 TWD per share.
What do the bullish and bearish scenarios say about 6580?
Our models span a range for TaiRx, Inc.: cautious scenario 2.17 TWD, base 3.29 TWD, optimistic 4.11 TWD per share (as of Sep 24, 2026, price 14.45 TWD). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of TaiRx, Inc. (6580)?
Balance-sheet figures for TaiRx, Inc. (as of Sep 24, 2026): return on equity −40.8%. They feed the Quality Score of 46/100, which measures business quality independently of the share price.
How far is 6580 from its 52-week high?
TaiRx, Inc. trades at 14.45 TWD, about 51% below its 52-week high of 29.70 TWD and 17% above the low of 12.30 TWD (as of Sep 24, 2026). Distance from the high says nothing about value: that is what the fair value of 3.29 TWD is for.
Which stocks are comparable to TaiRx, Inc.?
From the same area (Healthcare) we also value Vertex Pharmaceuticals Incorporated, Regeneron Pharmaceuticals, Inc, argenx SE, Samsung Biologics Co, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is TaiRx, Inc. stock attractive at the current price?
The data as of Sep 24, 2026: price 14.45 TWD, calculated fair value 3.29 TWD (−77%), Quality Score 46/100, from 1 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 6580 calculated?
We run TaiRx, Inc. through 1 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of 3.29 TWD, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 13.0 % above its aggregate fair value. TaiRx, Inc. itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of TaiRx, Inc. (6580)?
The closing price on Sep 24, 2026 was 14.45 TWD. Our model-based fair value is 3.29 TWD, about −77% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with TaiRx, Inc. right now?
The price sits above even our optimistic bull case (4.11 TWD). The favourable scenario is already priced in. The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution. Solid but not exceptional quality (46/100) and above fair value, neither a clear bargain nor a standout compounder. A fairly wide model range (2.17 TWD to 4.11 TWD) leaves room in how you read the outcome.

Key figures of TaiRx, Inc.

How large is the market capitalisation of TaiRx, Inc. (6580)?
The market capitalisation of TaiRx, Inc. is 1.6B TWD (≈ $50.9M). The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of TaiRx, Inc. (6580)?
The price-to-sales ratio of TaiRx, Inc. is 56.5 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of TaiRx, Inc. (6580)?
Earnings per share at TaiRx, Inc. are −2.00 TWD. Earnings per share over the last twelve months: total profit spread across every single share.
What is the return on equity of TaiRx, Inc. (6580)?
The return on equity (ROE) of TaiRx, Inc. is −40.8% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of TaiRx, Inc. (6580)?
On an EBIT basis the return on assets of TaiRx, Inc. is −31.3% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of TaiRx, Inc. (6580)?
The operating margin of TaiRx, Inc. is −776% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at TaiRx, Inc. (6580)?
Revenue at TaiRx, Inc. is growing +156% versus a year earlier (3y avg +59.1%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How much free cash flow does TaiRx, Inc. (6580) generate?
The free cash flow of TaiRx, Inc. is −180M TWD (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net cash does TaiRx, Inc. (6580) hold?
TaiRx, Inc. holds more cash than debt, 104M TWD net (fiscal year 2024). The company holds more cash than debt, a safety cushion.
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