ACS Actividades De Construccion Y Servicios SA (ACSAY) fair value: what the stock is really worth
As of Oct 2, 2026: fair value of ACS Actividades De Construccion Y Servicios SA $16.90, price $21.26, upside -20.5%, quality 60 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Oct 3, 2026.
How to read this chart
60‑month range $3.32 – $33.01 · fair‑value band $12.26 – $21.12 · the $21.26 price screens above the $16.90 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Oct 3, 2026.
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ACS, Actividades de Construcción y Servicios, S.A. provides construction and related services in Spain, the United States, Australia, Canada, Germany, the rest of Europe, and internationally. It operates through five segments: Turner, CIMIC, Engineering and Construction, Infrastructure, and Other.
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ACS, Actividades de Construcción y Servicios, S.A. provides construction and related services in Spain, the United States, Australia, Canada, Germany, the rest of Europe, and internationally. It operates through five segments: Turner, CIMIC, Engineering and Construction, Infrastructure, and Other. The Turner segment offers comprehensive construction and project management services, focusing on high-tech growth markets, including data centers and battery plants, primarily in North America. The CIMIC segment delivers construction, services, and public-private partnership (PPP) solutions, and includes mining services through Thiess. The Engineering and Construction segment encompasses Dragados' activities in Europe and North America, as well as Hochtief's construction and PPP operations in Europe. The Infrastructure segment covers Iridium and ACS Digital & Energy, and manages a 50% equity interest in Abertis Infraestructuras, S.A., focusing on digitalization, energy transition, sustainable mobility, concessions, and traditional infrastructure across Europe, Latin America, and North America. The Other segment comprises real estate, renewable energy, water assets, facilities management, social and health services, and insurance activities. The company offers services such as public and private works construction, maintenance and operation of transport and urban infrastructure, building restoration, development and management of energy and digital infrastructure, environmental services, waste treatment, logistics, and auxiliary urban services. ACS, Actividades de Construcción y Servicios, S.A. was incorporated in 1942 and is based in Madrid, Spain.
Stock analysis
ACS Actividades De Construccion Y Servicios SA ADR (ACSAY) currently trades at $21.26, while our model-based Fair Value estimate is $16.90, 20.5% below the price, so the stock looks overvalued today.
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Valuation
Bull case: the DCF Models group reads highest at a median of $28.97 per share, and 12 of the 26 models we run sit above the $21.26 price.
Bear case: the Asset-Based group reads lowest at $2.73, and 14 of the 26 models stay below the price. Evidence for this calculation is high.
Scenario range: $12.26 (bear) to $21.12 (bull), the price of $21.26 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 60/100 (solid quality), in the Industrials sector.
Healthy Growth: Revenue growth appears healthy and is supported by profitability and cash-flow quality.
ACS Actividades De Construccion Y Servicios SA ADR reported revenue of €49.8B in FY2025 versus €27.8B in FY2021, a compound +15.7%/yr. Reported net income was €950M in FY2025, compounding −25.3%/yr from FY2021.
Key figures
Market cap $38.4B · P/E ratio 24.2 · P/S ratio 0.46 · EPS (TTM) $0.8800 · Dividend yield 1.1% · Net margin 1.9% · Return on equity 24.6% · Return on assets (EBIT) 2.2%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 38 out of 100 (low confidence).
What moves the price
The share trades about 36% below its 52-week high and 32% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Industrials peers we cover trades at −33% fair-value upside, at −21%, ACSAY screens cheaper than that median.
Fair Value models
Bear $12.26Fair Value $16.90Bull $21.12
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. Based on fiscal year 2025 figures (about 9 months old). Earnings retained since then ($0.6654 per share) are deliberately not added.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. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds.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.84/100
Revenue growth appears healthy and is supported by profitability and cash-flow quality.
Revenue growth 1 year
+19.7%
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.
+14.0%
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.
+11.2%
Start year 2020 (pandemic). Over 10 years: +3.6% a year
Revenue growth 23 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.
+11.1%
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What shareholders gained per year (last 5 years) ⓘWhat the business itself delivers per year: earnings growth per share plus the dividend yield. This is what you get IF the market keeps valuing the stock the same way: it contains no assumption about the market changing its mind. Computed per share, so buybacks count and a merger does not pass as growth. For a company that pays no dividend it is pure earnings growth per share. Period: earnings growth per share as CAGR over the last 5 reported fiscal years (annual statements), plus the current dividend yield. The start value is the median of the three years around the start, so a single crisis year (a pandemic or a write-down) does not distort the rate.
+14.7%
Earnings growth per share plus dividend.
Earnings per share, growth per year+13.6%
Dividend (yield on the price)1.1%
Pace: 5 vs 10 years ⓘTwo data points, not a trend model: earnings growth per share over the last 5 fiscal years against the last 10. Labelled "steady" when both rates are within 3 percentage points of each other, otherwise picking up or flattening. Shown only when ten years of history exist.13.6% vs 4.9%, picking up
Profit margin 2020 to 2025 ⓘ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% → 3%
Start year 2020 (pandemic)
Growth Forecast
Little optimism in the price
The price assumes less growth than the company has delivered so far and less than analysts expect.
What the price assumes ⓘThis turns our valuation around: instead of asking what the share is worth, it asks what growth the current price requires. It uses the cash the company keeps after all spending (free cash flow), the same discount rate as our models, five years of growth, then slowing evenly to 2 % a year by year ten. Compared with the analysts' sales forecasts extended to the same five years (at least three analysts, for context only, it does not enter the Fair Value): within 3 percentage points counts as "in line" (amber), below that little optimism (green), above that a lot of optimism (red).
−5.4%
Yearly growth needed for the next five years to justify today's price.
What forecasts expect ⓘAnalysts publish sales forecasts for the next two fiscal years. For the years after that, growth slows evenly to 2 % a year by year ten (2 % is the long-run rate our models use). Projected years are marked as such.
+8.8%
Yearly sales growth analysts expect, extended to five years.
After inflation (figures in EUR, euro area: IMF forecast 2.2% a year to 2030, 2.6% from 2016 to 2025) that is about −7.4% a year for the price and +6.5% for the forecasts.
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Price, fair value, quality and upside side by side.
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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.Engineering & Construction · 791 stocks
Beats the industry median on 5/13 measures
Overall it trails its industry peers.
Valuation
Quality Score60 · Top 25%
Fair Value upside−34.5% · Below median
Profitability
Return on equity (TTM)24.6% · Top 25%
Return on assets3.4% · Above median
Net margin (TTM)2.0% · Below median
Operating margin (TTM)4.5% · Below median
Growth and dividend
Revenue growth4.7% · Above median
Dividend yield (TTM)1.1% · Below median
Balance sheet
Debt / equity2.36× · Highest 25%
Valuation Multiplesvs Engineering & Construction median · lower = cheaper
P/E (TTM)24.2× · Pricier than median
P/B7.09× · book value is mostly goodwill ⓘGoodwill and other intangible assets are larger than the equity. The book value mainly reflects prices paid for past acquisitions, so we do not rank this P/B against the peer group.
P/S (TTM)0.68× · Cheaper than median
P/FCF14.8× · Pricier than median
EV/EBITDA15.2× · Pricier than median
Strength profile in five axes (Snowflake)
This stockSector peers
VALUE (fair-value potential)0· sector 25
FUTURE (revenue growth)24· sector 21
PAST (return on equity)98· sector 28
HEALTH (low debt)0· sector 94
DIVIDEND (yield)22· sector 41
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). "ACS Actividades De Construccion Y Servicios SA ADR Fair Value". https://www.fairvalue-calculator.com/stock/ACSAY
Frequently asked questions
Is ACS Actividades De Construccion Y Servicios SA (ACSAY) overvalued or undervalued?
As of Oct 3, 2026, our model estimates a fair value of $16.90 versus a price of $21.26, about −21% upside (overvalued).
What is the fair value of ACSAY?
Our model-based fair value for ACS Actividades De Construccion Y Servicios SA ADR is $16.90 (as of Oct 3, 2026), built from audited fundamentals. The current price: $21.26.
What is the quality score of ACSAY?
ACS Actividades De Construccion Y Servicios SA ADR has a Quality Score of 60/100. 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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
Our model-based price target is the fair value of $16.90 (as of Oct 3, 2026) from 26 valuation models. Cautious scenario $12.26, optimistic scenario $21.12. It is a calculation from audited fundamentals, not an analyst target.
What is the ACS Actividades De Construccion Y Servicios SA ADR stock forecast for 2026?
Our models put fair value at $16.90, about −21% upside versus a price of $21.26 (overvalued). Cautious scenario $12.26, optimistic scenario $21.12. The calculation is refreshed regularly with new filings.
What is the revenue of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
ACS Actividades De Construccion Y Servicios SA ADR reported trailing-twelve-month revenue of about €50.4B (latest available figure, as of Oct 3, 2026).
Does ACS Actividades De Construccion Y Servicios SA ADR pay a dividend?
ACS Actividades De Construccion Y Servicios SA ADR currently shows a dividend yield of about 1.09% relative to its recent price (as of Oct 3, 2026).
What growth is priced into ACS Actividades De Construccion Y Servicios SA (ACSAY)?
For today's price to be fair in a discounted-cash-flow model, ACS Actividades De Construccion Y Servicios SA ADR would have to grow free cash flow by -5.4 % per year for five years (discount rate 8.4 %, then slowing evenly to 2 % perpetual growth by year ten). Over the last 5 years revenue grew +11.2 % per year. As of Oct 3, 2026.
What discount rate (WACC) does the fair value of ACSAY use?
Our models discount ACS Actividades De Construccion Y Servicios SA ADR at 8.4 %: a base by market capitalisation (large), damped by beta 0.65, country premium for USA. The same rate applies in all 26 models.
What is a reverse DCF?
A reverse DCF turns the usual calculation around. Instead of deriving a value from assumptions, it takes today's price as given and asks: what free-cash-flow growth would a company have to deliver for exactly this price to be fair? The result is not a forecast but the expectation already priced in. For ACS Actividades De Construccion Y Servicios SA ADR that is -5.4 % per year a year over ten years, using the same discount rate (8.4 %) and the same formula as our fair value.
How much growth has ACS Actividades De Construccion Y Servicios SA (ACSAY) delivered so far?
Over the past 5 years revenue at ACS Actividades De Construccion Y Servicios SA ADR grew +11.2 % a year. The price currently implies -5.4 % per year free-cash-flow growth a year. Comparing the two shows how much confidence is in the price: if it demands more than has been delivered, the business has to accelerate for the maths to work.
How fast is the sector of ACS Actividades De Construccion Y Servicios SA (ACSAY) growing?
The median revenue growth in the sector is +7.1 % a year. That is the yardstick for the growth priced into ACS Actividades De Construccion Y Servicios SA ADR (-5.4 % per year a year): it shows whether the expectation is within the usual range or beyond it.
What is the free cash flow yield of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The free-cash-flow yield on the price is 9.47 %: that much free cash flow ACS Actividades De Construccion Y Servicios SA ADR produces per unit of market value. When it exceeds the discount rate of our models (8.4 %), the business already earns more than its cost of capital demands, and the price needs little additional growth.
What is the intrinsic value of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For ACS Actividades De Construccion Y Servicios SA ADR it is $16.90 per share (as of Oct 3, 2026), against a price of $21.26. It is the blended result of 26 valuation models (cash flow, earnings, asset, dividend).
Is ACS Actividades De Construccion Y Servicios SA ADR stock overvalued or undervalued in 2026?
As of Oct 3, 2026, ACSAY trades above its calculated fair value: price $21.26, fair value $16.90, a gap of about −21% (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 ACSAY?
No. The price is what the market pays today ($21.26); the fair value is what the company's own numbers justify ($16.90). For ACS Actividades De Construccion Y Servicios SA ADR the two are $4.36 per share apart. That gap is exactly why we show both numbers side by side.
How much is ACS Actividades De Construccion Y Servicios SA ADR worth?
The market values ACS Actividades De Construccion Y Servicios SA ADR at about $38.4B (market capitalisation, as of Oct 3, 2026). Per share that is $21.26; our models calculate a fair value of $16.90 per share.
What do the bullish and bearish scenarios say about ACSAY?
Our models span a range for ACS Actividades De Construccion Y Servicios SA ADR: cautious scenario $12.26, base $16.90, optimistic $21.12 per share (as of Oct 3, 2026, price $21.26). The range comes from different growth and margin assumptions, not from analyst opinions.
What is the P/E ratio of ACSAY?
ACS Actividades De Construccion Y Servicios SA ADR trades at a price-to-earnings ratio of 24.2 (as of Oct 3, 2026). A P/E on its own says little: it compares the price with ONE year of profit, while our fair value of $16.90 is built from several models across several years. Other multiples: P/B 7.1, P/S 0.7, EV/EBITDA 15.2.
How solid is the balance sheet of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
Balance-sheet figures for ACS Actividades De Construccion Y Servicios SA ADR (as of Oct 3, 2026): return on equity 24.6%, debt of 2.36 per unit of equity. They feed the Quality Score of 60/100, which measures business quality independently of the share price.
How far is ACSAY from its 52-week high?
ACS Actividades De Construccion Y Servicios SA ADR trades at $21.26, about 36% below its 52-week high of $33.01 and 32% above the low of $16.14 (as of Oct 2, 2026). Distance from the high says nothing about value: that is what the fair value of $16.90 is for.
Which stocks are comparable to ACS Actividades De Construccion Y Servicios SA ADR?
From the same area (Industrials) we also value Quanta Services, Inc, Vinci SA, Comfort Systems USA, Inc, Larsen & Toubro Limited, 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 ACS Actividades De Construccion Y Servicios SA ADR stock attractive at the current price?
The data as of Oct 3, 2026: price $21.26, calculated fair value $16.90 (−21%), Quality Score 60/100, from 26 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 ACSAY calculated?
We run ACS Actividades De Construccion Y Servicios SA ADR through 26 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 $16.90, 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 14.5 % above its aggregate fair value. ACS Actividades De Construccion Y Servicios SA ADR 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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The closing price on Oct 2, 2026 was $21.26. Our model-based fair value is $16.90, about −21% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with ACS Actividades De Construccion Y Servicios SA ADR right now?
Solid but not exceptional quality (60/100) and above fair value, neither a clear bargain nor a standout compounder. The price sits above our optimistic bull case: the favourable scenario is already priced in. The data supports the verdict: every model runs on fully documented inputs.
Where does the earnings growth of ACS Actividades De Construccion Y Servicios SA (ACSAY) come from?
Earnings per share at ACS Actividades De Construccion Y Servicios SA ADR grew +5.7 % a year from 2014 to 2025. Broken into its drivers: revenue per share +6.5 %, EBIT margin −1.1 %, tax rate +2.0 %, residual (interest, one-offs) −1.7 %. The four rates multiply to the earnings growth rate, they do not add up. Start and end are three-year averages so a single exceptional year does not distort the result.
Key figures of ACS Actividades De Construccion Y Servicios SA ADR
How large is the market capitalisation of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The market capitalisation of ACS Actividades De Construccion Y Servicios SA ADR is $38.4B. 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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The price-to-sales ratio of ACS Actividades De Construccion Y Servicios SA ADR is 0.46 (P/E × margin). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
Earnings per share at ACS Actividades De Construccion Y Servicios SA ADR are $0.8800 (price ÷ EPS = P/E 24.2). Earnings per share over the last twelve months: total profit spread across every single share.
What is the dividend yield of ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The dividend yield of ACS Actividades De Construccion Y Servicios SA ADR is 1.1% (payout 26.4%). 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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The net margin of ACS Actividades De Construccion Y Servicios SA ADR is 1.9% (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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The return on equity (ROE) of ACS Actividades De Construccion Y Servicios SA ADR is 24.6% (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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
On an EBIT basis the return on assets of ACS Actividades De Construccion Y Servicios SA ADR is 2.2% (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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
The operating margin of ACS Actividades De Construccion Y Servicios SA ADR is 4.5% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at ACS Actividades De Construccion Y Servicios SA (ACSAY)?
Revenue at ACS Actividades De Construccion Y Servicios SA ADR is growing +4.7% versus a year earlier (3y avg +14.0%). 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 ACS Actividades De Construccion Y Servicios SA (ACSAY)?
Earnings per share at ACS Actividades De Construccion Y Servicios SA ADR are growing +18.7% versus a year earlier. How much earnings per share grew versus a year earlier.
How much net debt does ACS Actividades De Construccion Y Servicios SA (ACSAY) carry?
The net debt of ACS Actividades De Construccion Y Servicios SA ADR is €4.0B (fiscal year 2025, ≈ 1.7 yrs of FCF). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
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Broad data
Oct 3, 2026