Sun Brothers Development Co Ltd (3489) fair value: what the stock is really worth
As of Sep 24, 2026: fair value of Sun Brothers Development Co Ltd TWD 3.86, price TWD 22.65, upside -83.0%, quality 46 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
Watch Sun Brothers Development Co Ltd for free, get notified when fair value or trend changes. Plus fair value for all 35,000+ stocks, 14 days of Pro free, no card.Watch for freePro now: $1 first month
69 individual criteria per stock, every one traceableSee the method →
Price vs Fair Value
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 8.62 TWD – 41.10 TWD · fair‑value band 3.82 TWD – 3.89 TWD · the 22.65 TWD price screens above the 3.86 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.
Follow Sun Brothers Development Co in your weekly email
Every Wednesday you see whether Sun Brothers Development Co is on track or worth a review, plus price against fair value. Free, up to 3 stocks.
We send you a confirmation link. Unsubscribe with one click.
Sun Brothers Development Co., Limited, together with its subsidiaries, develops, constructs, leases, and sells residential, commercial, and industrial buildings in Taiwan. It is also involved in the wholesale of building materials, real estate sales, leasing, residential and building/industrial plant development, and house construction.
Show more
Sun Brothers Development Co., Limited, together with its subsidiaries, develops, constructs, leases, and sells residential, commercial, and industrial buildings in Taiwan. It is also involved in the wholesale of building materials, real estate sales, leasing, residential and building/industrial plant development, and house construction. Sun Brothers Development Co., Limited was formerly known as Sun Power Development Co., Limited and changed its name to Sun Brothers Development Co., Ltd. in 2013. The company was founded in 1980 and is based in Taoyuan City, Taiwan.
Stock analysis
Sun Brothers Development Co Ltd (3489) currently trades at 22.65 TWD, while our model-based Fair Value estimate is 3.86 TWD, implying the stock looks roughly 486.9% overvalued today.
Show more
Valuation
Bull case: the Asset-Based group reads highest at a median of 8.93 TWD per share, and 0 of the 4 models we run sit above the 22.65 TWD price.
Bear case: the Multiples group reads lowest at 5.47 TWD, and 4 of the 4 models stay below the price. Evidence for this calculation is low.
Scenario range: 3.82 TWD (bear) to 3.89 TWD (bull), the price of 22.65 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 Real Estate sector.
Weak Growth: Revenue is shrinking: the last year, the last three and the last five years are all negative.
Sun Brothers Development Co Ltd reported revenue of 719M TWD in FY2025 versus 1.9B TWD in FY2021, a compound −21.7%/yr. Reported net income was −8.5M TWD in FY2025.
Key figures
Market cap 2.0B TWD (≈ $64.3M) · P/S ratio 2.17 · EPS (TTM) 0.0100 TWD · Dividend yield 13.2% · Net margin −1.2% · Return on equity 0.0% · Return on assets (EBIT) 0.5% · Operating margin 3.2%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 32 out of 100 (medium confidence).
What moves the price
The share trades about 14% below its 52-week high and 22% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Real Estate peers we cover trades at 54% fair-value upside, at −83%, 3489 screens richer than that median.
Fair Value models
Bear 3.82 TWDFair Value 3.86 TWDBull 3.89 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.
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.14/100
Revenue is shrinking: the last year, the last three and the last five years are all negative.
Revenue growth 1 year
−69.8%
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.
−8.0%
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.
−16.3%
Start year 2020 (pandemic)
Revenue growth 8 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.
+5.7%
’17
’18
’19
’20
’21
’22
’23
’24
’25
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.
1.9% (2020) → 1.4% (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
Compare Sun Brothers Development Co Ltd with another stock
Price, fair value, quality and upside side by side.
Free, no sign-up
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.Real Estate - Development · 577 stocks
Beats the industry median on 4/10 measures
A mixed picture versus its industry peers.
Valuation
Quality Score46 · Below median
Fair Value upside−83% · Bottom 25%
Profitability
Return on equity (TTM)0% · Below median
Return on assets0% · Below median
Net margin (TTM)0% · Below median
Operating margin (TTM)3% · Below median
Growth and dividend
Revenue growth64% · Top 25%
Dividend yield (TTM)13.2% · Top 25%
Valuation Multiplesvs Real Estate - Development median · lower = cheaper
P/B0.05× · Cheapest 25%
P/S (TTM)0.07× · Cheapest 25%
Strength profile in five axes (Snowflake)
This stockSector peers
VALUE (fair-value potential)0· sector 49
FUTURE (revenue growth)100· sector 0
PAST (return on equity)0· sector 12
HEALTH (low debt)100· sector 83
DIVIDEND (yield)100· sector 56
VALUE 0: the price sits above our fair-value range.
For bloggers, editors and developers: paste this into your site or blog (a “Custom HTML” block in WordPress), it shows the current fair value and links back here. Free, plain HTML, and welcome. Full data streams (CSV/JSON) at /developers.
Cite: Fair Value Calculator (2026). "Sun Brothers Development Co Ltd Fair Value". https://www.fairvalue-calculator.com/stock/3489
Frequently asked questions
Is Sun Brothers Development Co Ltd (3489) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of 3.86 TWD versus a price of 22.65 TWD, about −83% upside (overvalued).
What is the fair value of 3489?
Our model-based fair value for Sun Brothers Development Co Ltd is 3.86 TWD (as of Sep 24, 2026), built from audited fundamentals. The current price: 22.65 TWD.
What is the quality score of 3489?
Sun Brothers Development Co Ltd 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 Sun Brothers Development Co Ltd (3489)?
Our model-based price target is the fair value of 3.86 TWD (as of Sep 24, 2026) from 4 valuation models. Cautious scenario 3.82 TWD, optimistic scenario 3.89 TWD. It is a calculation from audited fundamentals, not an analyst target.
What is the Sun Brothers Development Co Ltd stock forecast for 2026?
Our models put fair value at 3.86 TWD, about −83% upside versus a price of 22.65 TWD (overvalued). Cautious scenario 3.82 TWD, optimistic scenario 3.89 TWD. The calculation is refreshed regularly with new filings.
What is the revenue of Sun Brothers Development Co Ltd (3489)?
Sun Brothers Development Co Ltd reported trailing-twelve-month revenue of about 963M TWD (latest available figure, as of Sep 24, 2026).
Does Sun Brothers Development Co Ltd pay a dividend?
Sun Brothers Development Co Ltd currently shows a dividend yield of about 13.25% relative to its recent price (as of Sep 24, 2026).
What is the intrinsic value of Sun Brothers Development Co Ltd (3489)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Sun Brothers Development Co Ltd it is 3.86 TWD per share (as of Sep 24, 2026), against a price of 22.65 TWD. It is the blended result of 4 valuation models (cash flow, earnings, asset, dividend).
Is Sun Brothers Development Co Ltd stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 3489 trades above its calculated fair value: price 22.65 TWD, fair value 3.86 TWD, a gap of about −83% (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 3489?
No. The price is what the market pays today (22.65 TWD); the fair value is what the company's own numbers justify (3.86 TWD). For Sun Brothers Development Co Ltd the two are 18.79 TWD per share apart. That gap is exactly why we show both numbers side by side.
How much is Sun Brothers Development Co Ltd worth?
The market values Sun Brothers Development Co Ltd at about 2.0B TWD (market capitalisation, as of Sep 24, 2026). Per share that is 22.65 TWD; our models calculate a fair value of 3.86 TWD per share.
What do the bullish and bearish scenarios say about 3489?
Our models span a range for Sun Brothers Development Co Ltd: cautious scenario 3.82 TWD, base 3.86 TWD, optimistic 3.89 TWD per share (as of Sep 24, 2026, price 22.65 TWD). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Sun Brothers Development Co Ltd (3489)?
Balance-sheet figures for Sun Brothers Development Co Ltd (as of Sep 24, 2026): return on equity 0.0%. They feed the Quality Score of 46/100, which measures business quality independently of the share price.
How far is 3489 from its 52-week high?
Sun Brothers Development Co Ltd trades at 22.65 TWD, about 14% below its 52-week high of 26.25 TWD and 22% above the low of 18.50 TWD (as of Sep 24, 2026). Distance from the high says nothing about value: that is what the fair value of 3.86 TWD is for.
Which stocks are comparable to Sun Brothers Development Co Ltd?
From the same area (Real Estate) we also value Sun Hung Kai Properties Limited, China Resources Land Limited, Vinhomes Joint Stock Company, CK Asset Holdings, 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 Sun Brothers Development Co Ltd stock attractive at the current price?
The data as of Sep 24, 2026: price 22.65 TWD, calculated fair value 3.86 TWD (−83%), Quality Score 46/100, from 4 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 3489 calculated?
We run Sun Brothers Development Co Ltd through 4 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 3.86 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 13.2 % above its aggregate fair value. Sun Brothers Development Co Ltd 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 Sun Brothers Development Co Ltd (3489)?
The closing price on Sep 24, 2026 was 22.65 TWD. Our model-based fair value is 3.86 TWD, about −83% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Sun Brothers Development Co Ltd right now?
The price sits above even our optimistic bull case (3.89 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. The models converge in a tight band (3.82 TWD to 3.89 TWD), unusually little disagreement for a valuation.
Key figures of Sun Brothers Development Co Ltd
How large is the market capitalisation of Sun Brothers Development Co Ltd (3489)?
The market capitalisation of Sun Brothers Development Co Ltd is 2.0B TWD (≈ $64.3M). 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 Sun Brothers Development Co Ltd (3489)?
The price-to-sales ratio of Sun Brothers Development Co Ltd is 2.17 (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 Sun Brothers Development Co Ltd (3489)?
Earnings per share at Sun Brothers Development Co Ltd are 0.0100 TWD. Earnings per share over the last twelve months: total profit spread across every single share.
What is the dividend yield of Sun Brothers Development Co Ltd (3489)?
The dividend yield of Sun Brothers Development Co Ltd is 13.2%. Yearly dividend relative to the share price. 3% pays 3 per 100 invested. Below: how much of profit is used for it.
What is the net margin of Sun Brothers Development Co Ltd (3489)?
The net margin of Sun Brothers Development Co Ltd is −1.2% (fiscal year 2025). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of Sun Brothers Development Co Ltd (3489)?
The return on equity (ROE) of Sun Brothers Development Co Ltd is 0.0% (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 Sun Brothers Development Co Ltd (3489)?
On an EBIT basis the return on assets of Sun Brothers Development Co Ltd is 0.5% (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 Sun Brothers Development Co Ltd (3489)?
The operating margin of Sun Brothers Development Co Ltd is 3.2% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Sun Brothers Development Co Ltd (3489)?
Revenue at Sun Brothers Development Co Ltd is growing +64.3% versus a year earlier (3y avg −8.0%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How fast are earnings growing at Sun Brothers Development Co Ltd (3489)?
Earnings per share at Sun Brothers Development Co Ltd are growing −97.0% versus a year earlier. How much earnings per share grew versus a year earlier.
How much free cash flow does Sun Brothers Development Co Ltd (3489) generate?
The free cash flow of Sun Brothers Development Co Ltd is −384M 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 debt does Sun Brothers Development Co Ltd (3489) carry?
The net debt of Sun Brothers Development Co Ltd is 1.2B TWD (fiscal year 2025). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
Free · no account needed
Watch Sun Brothers Development Co Ltd in the live analysis
One click puts Sun Brothers Development Co Ltd on your watchlist: fair value and trend at a glance, plus comparison, the diversification check and the 35,000+ stock screener. You can also try 14 days of Pro there, no card.
