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Data-driven stock valuation

Portobello S.p.A (POR) fair value: what the stock is really worth

As of Oct 20, 2026: fair value (intrinsic value) of Portobello S.p.A stock €2.10, price €0.77, upside +172.7%, quality 42 out of 100. Rating: strongly undervalued. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? Yes
  2. Good quality? No
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Communication Services · IT · ISIN IT0005337495

PS Thin data Oct 20, 2026

Portobello S.p.A

POR · MI

Cheap, value-trap riskThe stock looks deeply undervalued, but low quality raises value-trap risk.

The stock costs 63% less than our calculation considers fair.

Fair value €2.10 · Strongly undervalued (+172.7%)
Generates free cash flow
Quality 42/100
Negative equity (buybacks among others)
Mixed vs. peers (3/7)
Weak Growth (revenue 5y −19.2 %/yr in EUR)
Loss-making · -180.7% net margin (TTM)
Narrow moat 9/100
Thin data

What runs behind every stock

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

Price vs Fair Value

€45.57 €0.6300 Fair Value €2.10 Aug 2021 Oct 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Oct 20, 2026.

How to read this chart

60‑month range €0.6300 – €45.57 · fair‑value band €1.76 – €2.60 · the €0.7700 price screens below the €2.10 fair value. Dashed = 300-day average. As of Oct 20, 2026.

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Company profile

Portobello S.p.A. engages in the media and advertising business in Italy. It engages in the management, resale, and distribution of owned or third-party advertising spaces.

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The company is involved in the purchase and resale of third-party advertising space in high-traffic areas; development of managed media; and distribution of entertainment magazines. It also sells high-tech products and household appliances. In addition, the company engages in franchising its stores.

It offers the products through its brand shops and marketplaces, as well as B2B channels. The company manages a chain of retail outlets. It sells products in various categories, including household essentials, personal care, home appliances, clothing, gifts, and bijoux.

The company was founded in 2016 and is headquartered in Pomezia, Italy.

Stock analysis

Portobello S.p.A (POR) currently trades at €0.7700, while our model-based Fair Value estimate is €2.10, implying the stock looks roughly 63.3% undervalued today.

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Valuation

Bull case: the DCF Models group reads highest at a median of €3.05 per share, and 9 of the 9 models we run sit above the €0.7700 price.

Bear case: the Earnings-Based group reads lowest at €1.31, and 0 of the 9 models stay below the price. Data coverage for this calculation is low.

Scenario range: €1.76 (bear) to €2.60 (bull), the price of €0.7700 sits below 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 42/100 (below-average quality), in the Communication Services sector.

Weak Growth: Revenue is shrinking: the last year, the last three and the last five years are all negative.

Portobello S.p.A reported revenue of €22.0M in FY2025 versus €88.2M in FY2021, a compound −29.3%/yr. Reported net income was −€4.2M in FY2025.

Key figures

Market cap €4.1M Micro · P/S ratio 0.47 · EPS (TTM) €−3.02 · Net margin −18.9% · Return on equity −228% · Return on assets (EBIT) −55.7% · Operating margin −995% · Revenue (TTM) €8.9M.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 9 out of 100 (medium confidence).

What moves the price

The share trades about 55% below its 52-week high and 22% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Communication Services peers we cover trades at 12% fair-value upside, at 173%, POR screens cheaper than that median.

Fair Value models

Bear €1.76 Fair Value €2.10 Bull €2.60
Price €0.7700 · Upside +172.7%
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above starts from their evidence-weighted blend, not from a single model. In cyclical trough or peak years, after dilution or a stock split it is adjusted afterwards, so it can sit above or below the models. 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. Coverage ⓘCoverage = 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.
Best data coverage
FCF DCF €1.72 €2.09 €2.67 82
Growth DCF €1.76 €2.10 €2.60 80
5Y EBITDA Exit €2.85 €4.29 €6.20 75
All 9 models by family
DCF Models
FCF DCF €1.72 €2.09 €2.67 82
5Y Revenue Exit €2.28 €3.31 €4.81 72
5Y EBITDA Exit €2.85 €4.29 €6.20 75
10Y Revenue Exit €1.94 €2.56 €3.22 68
10Y EBITDA Exit €2.27 €3.05 €3.88 69
Earnings-Based
EPV €1.19 €1.31 €1.40 74
Growth DCF
Growth DCF €1.76 €2.10 €2.60 80
Rev-Margin DCF €2.28 €3.36 €4.67 73
Economic Profit
ROIC Compounder €1.19 €1.31 €1.40 72

Open the full fair value analysis →

Quality Score breakdown

Overall quality 42/100

It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.

Profitability 24
How much profit the company makes from its sales and capital
Quality Growth 60
Are margins and returns getting better?
Cashflow 54
Do the profits arrive as real cash?
Financial strength 2
Debt, balance sheet and risk of trouble
Investment 100
Does it invest with discipline instead of growing at any price?
Low Volatility 7
How calm the share price moves, does not count
Momentum 10
Price trend of the last 3 to 12 months, does not count
Near the 52-week high 6
Distance to the 52-week high, does not count
New shares 40
Buys back shares or issues new ones?

Open the full quality analysis →

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. 18/100
Revenue is shrinking: the last year, the last three and the last five years are all negative.
Revenue growth 1 year
−70.2%
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.
−44.8%
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.
−19.2%
Start year 2020 (pandemic)
Revenue growth 9 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.
+41.4%
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.
14.9% (2019) → −152.8% (2024)
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

Growth Forecast

A lot of optimism in the price
The price assumes more growth than the company has delivered so far.
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).
+38.7%
Yearly growth needed for the next five years to justify today's price.
What forecasts expect
n/a
No analyst forecast available.
After inflation (euro area: IMF forecast 2.2% a year to 2030, 2.6% from 2016 to 2025) that is about +35.7% a year for the price.

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Compare Portobello S.p.A with another stock

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.Advertising Agencies · 186 stocks

Beats the industry median on 3/7 measures
A mixed picture versus its industry peers.
Valuation
Quality Score 42 · Bottom 25%
Fair Value upside +172.7% · Top 25%
Profitability
Return on equity (12 months) Negative equity ⓘThe company's equity is below zero, for example after large share buybacks. A ratio to negative equity has no meaning, so we show no number here and do not rank it against the peer group.
Return on assets −8.5% · Bottom 25%
Net margin (12 months) −180.7% · Bottom 25%
Growth and dividend
Revenue growth (quarter YoY) −92.3% · Bottom 25%
Balance sheet
Debt / equity Negative equity ⓘThe company's equity is below zero, for example after large share buybacks. A ratio to negative equity has no meaning, so we show no number here and do not rank it against the peer group.

Valuation Multiplesvs Advertising Agencies median · lower = cheaper

P/B Negative equity ⓘThe company's equity is below zero, for example after large share buybacks. A ratio to negative equity has no meaning, so we show no number here and do not rank it against the peer group.
P/S (12 months) 0.46× · Cheaper than median
Price / free cash flow 3.7× · Cheapest 25%

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)100 · sector 33
FUTURE (revenue growth)0 · sector 15
PAST (return on equity)0 · sector 8
HEALTH (low debt)0 · sector 98
DIVIDEND (yield)0 · sector 57

PAST 0: with negative equity (buybacks among others) return on equity is not meaningfully computable.

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 Advertising Agencies stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value Compare
The Trade Desk, Inc TTD $11.94 $43.84 +267% vs POR
WPP plc WPP $25.38 $39.66 +56% vs POR
Omnicom Group OMC $78.49 $114.19 +45% vs POR
Publicis Groupe S.A PUB €102.45 €145.63 +42% vs POR
Mobvista Inc 1860 HK$10.90 HK$12.23 +12% vs POR
Focus Media Information Technology Co 002027 ¥5.10 ¥5.71 +12% vs POR
AppLovin Corporation APP $272.46 $299.71 +10% vs POR
Magnite, Inc MGNI $23.37 $25.71 +10% vs POR
JCDecaux SE DEC €25.02 €20.99 −16% vs POR
Leo Group 002131 ¥4.31 ¥0.6000 −86% vs POR

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Cite: Fair Value Calculator (2026). "Portobello S.p.A Fair Value". https://www.fairvalue-calculator.com/stock/POR.MI

Frequently asked questions

Is Portobello S.p.A (POR) overvalued or undervalued?
As of Oct 20, 2026, our model estimates a fair value of €2.10 versus a price of €0.7700, about +173% upside (undervalued).
What is the fair value of POR?
Our model-based fair value for Portobello S.p.A is €2.10 (as of Oct 20, 2026), built from audited fundamentals. The current price: €0.7700.
What is the quality score of POR?
Portobello S.p.A has a Quality Score of 42/100. 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 Portobello S.p.A (POR)?
Our model-based price target is the fair value of €2.10 (as of Oct 20, 2026) from 9 valuation models. Cautious scenario €1.76, optimistic scenario €2.60. It is a calculation from audited fundamentals, not an analyst target.
What is the Portobello S.p.A stock forecast for 2026?
Our models put fair value at €2.10, about +173% upside versus a price of €0.7700 (undervalued). Cautious scenario €1.76, optimistic scenario €2.60. The calculation is refreshed regularly with new filings.
What is the revenue of Portobello S.p.A (POR)?
Portobello S.p.A reported trailing-twelve-month revenue of about €8.9M (latest available figure, as of Oct 20, 2026).
What growth is priced into Portobello S.p.A (POR)?
For today's price to be fair in a discounted-cash-flow model, Portobello S.p.A would have to grow free cash flow by +38.7 % per year for five years (discount rate 13.8 %, then slowing evenly to 2 % perpetual growth by year ten). Over the last 5 years revenue grew -19.2 % per year. As of Oct 20, 2026.
What discount rate (WACC) does the fair value of POR use?
Our models discount Portobello S.p.A at 13.8 %: a base by market capitalisation (nano), damped by beta 1.62, country premium for Italy. 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 Portobello S.p.A that is +38.7 % per year a year over ten years, using the same discount rate (13.8 %) and the same formula as our fair value.
How much growth has Portobello S.p.A (POR) delivered so far?
Over the past 5 years revenue at Portobello S.p.A grew -19.2 % a year. The price currently implies +38.7 % 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 Portobello S.p.A (POR) growing?
The median revenue growth in the sector is +4.3 % a year. That is the yardstick for the growth priced into Portobello S.p.A (+38.7 % 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 Portobello S.p.A (POR)?
The free-cash-flow yield on the price is 27.39 %: that much free cash flow Portobello S.p.A produces per unit of market value. When it exceeds the discount rate of our models (13.8 %), the business already earns more than its cost of capital demands, and the price needs little additional growth.
What is the intrinsic value of Portobello S.p.A (POR)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Portobello S.p.A it is €2.10 per share (as of Oct 20, 2026), against a price of €0.7700. It is the blended result of 9 valuation models (cash flow, earnings, asset, dividend).
Is Portobello S.p.A stock overvalued or undervalued in 2026?
As of Oct 20, 2026, POR trades below its calculated fair value: price €0.7700, fair value €2.10, a gap of about +173% (undervalued). 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 POR?
No. The price is what the market pays today (€0.7700); the fair value is what the company's own numbers justify (€2.10). For Portobello S.p.A the two are €1.33 per share apart. That gap is exactly why we show both numbers side by side.
How much is Portobello S.p.A worth?
The market values Portobello S.p.A at about €4.1M (market capitalisation, as of Oct 20, 2026). Per share that is €0.7700; our models calculate a fair value of €2.10 per share.
What do the bullish and bearish scenarios say about POR?
Our models span a range for Portobello S.p.A: cautious scenario €1.76, base €2.10, optimistic €2.60 per share (as of Oct 20, 2026, price €0.7700). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Portobello S.p.A (POR)?
Balance-sheet figures for Portobello S.p.A (as of Oct 20, 2026): negative equity, so no return on equity and no debt-to-equity ratio. They feed the Quality Score of 42/100, which measures business quality independently of the share price.
How far is POR from its 52-week high?
Portobello S.p.A trades at €0.7700, about 55% below its 52-week high of €1.73 and 22% above the low of €0.6300 (as of Oct 20, 2026). Distance from the high says nothing about value: that is what the fair value of €2.10 is for.
Which stocks are comparable to Portobello S.p.A?
From the same area (Communication Services) we also value AppLovin Corporation, Publicis Groupe S.A, Omnicom Group, Focus Media Information Technology 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 Portobello S.p.A stock attractive at the current price?
The data as of Oct 20, 2026: price €0.7700, calculated fair value €2.10 (+173%), Quality Score 42/100, from 9 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 POR calculated?
We run Portobello S.p.A through 9 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 €2.10, 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 13.8 % above its aggregate fair value. Portobello S.p.A currently trades 63 % below its own fair value, and the market average says nothing about that. 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 Portobello S.p.A (POR)?
The closing price on Oct 20, 2026 was €0.7700. Our model-based fair value is €2.10, about +173% upside (undervalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Portobello S.p.A right now?
The large discount to fair value meets weak quality (42/100). That raises the risk this is a value trap rather than a bargain. The price is below even our cautious bear case (€1.76). The market is more pessimistic than our downside scenario. The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution.

Key figures of Portobello S.p.A

How large is the market capitalisation of Portobello S.p.A (POR)?
The market capitalisation of Portobello S.p.A is €4.1M. 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 Portobello S.p.A (POR)?
The price-to-sales ratio of Portobello S.p.A is 0.47 (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 Portobello S.p.A (POR)?
Earnings per share at Portobello S.p.A are €−3.02. Earnings per share over the last twelve months: total profit spread across every single share.
What is the net margin of Portobello S.p.A (POR)?
The net margin of Portobello S.p.A is −18.9% (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 Portobello S.p.A (POR)?
The return on equity (ROE) of Portobello S.p.A is −228% (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 Portobello S.p.A (POR)?
On an EBIT basis the return on assets of Portobello S.p.A is −55.7% (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 Portobello S.p.A (POR)?
The operating margin of Portobello S.p.A is −995% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Portobello S.p.A (POR)?
Revenue at Portobello S.p.A is growing −92.3% versus a year earlier (3y avg −44.8%). 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 Portobello S.p.A (POR)?
Earnings per share at Portobello S.p.A are growing +32.6% versus a year earlier. How much earnings per share grew versus a year earlier.
How much net debt does Portobello S.p.A (POR) carry?
The net debt of Portobello S.p.A is €53.5M (fiscal year 2025, ≈ 47.7 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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