TIM S.A. (TIMB): what the price assumes

boothcheck covers TIM S.A. (TIMB) but does not put one priced-in number on it: here the defensible answer is the evidence rather than a point estimate. boothcheck publishes no house fair value, target price, or buy/sell rating. Narrative composed 2026-07-11.

Generated: 2026-08-10 · Exported: 2026-08-12 · Source: https://boothcheck.com/report/TIMB

Headline

FieldValue
TickerTIMB
CompanyTIM S.A.
Sector / IndustryCommunication Services
Current price$18.26/sh
CompositionClient generated (mobile service) 86% / Interconnection (mobile service) 1% / Customer platform (mobile service) 0% / Others (mobile service) 4% / Service revenue - fixed 5% / Goods sold 3%

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Operating margin (value-band context)4.1%
Operating margin today23.8%
Margin compression (value-band)-19.7pp
Multiple paid9x operating income

The operating-margin figure is value-band context at year 12: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

The price sits below what even a 5%/yr operating-profit decline would warrant; the inversion reports a bound, not a solved growth path.

Solve inputs: computed at a 7.3% cost of capital with 4% terminal growth over a 5-year stage.

How unusual the bet is: within-range (limited comparison data)

ReferenceValue
vs own history-0.83σ
implied end-window share0%

Valuation X-Ray

The price is supported by asset-based and earnings-power and relative-multiple and growth-DCF value. A value/asset-supported name, not a pure growth bet.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset0.93x5justifies
Earnings0.76x4justifies
Relative0.56x5justifies
Growth0.44x4justifies

Families that justify the price: Asset, Earnings, Relative, Growth

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 11.7%); the inversion above states its own rate.

Per-Model Detail (n=18)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$55.120.33xyesFCF base $1.9B, growth 10% (input: historical growth), terminal g 4.0%, WACC 11.7%, 6yr projection
DCF Exit MultipleGrowth$33.280.55xyesExit EV/EBITDA: 4.0x / 4.4x / 6.4x (bear / base = today's held flat / bull), 6yr
Relative ValuationRelative$27.790.66xyesP/E 12x (static sector reference · 2026-04), scenarios: 9.9x / 12.0x / 14.1x (bear / base = reference held flat / bull), EV/EBITDA 7x
Simple DDMGrowthno
Two-Stage DDMGrowth$73.490.25xyesStage 1: 19% for 5yr, Stage 2: 3.5% perpetual
Simple Excess ReturnAsset$18.940.96xyesBV/sh $9.74, ROE (TTM) 18.0%, ke 9.3%
Two-Stage Excess ReturnAsset$26.070.70xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowth$16.191.13xyesRev $5.2B, growth 10% (input: historical growth; tapered), Terminal P/S: 1.4x / 1.7x / 2.0x (bear / base = today's held flat / bull, cap 8x)
Peter Lynch Fair ValueRelative$32.870.56xyesEPS $1.75, growth 19% (input: historical EPS growth), PEG=0.56 (Undervalued)
Margin TrajectoryGrowthno
Earnings Power ValueEarnings$9.701.88xyesNormalized EBIT (5y avg op income, one-time charges added back) $0.92B × (1−5%) / WACC 11.7% → EPV (no growth)
Residual IncomeAsset$25.910.70xyesBV $9.74 + 5yr PV of (ROE (TTM) 18.0% − Kₑ 9.3%) × BV; BV grows 8.8%/yr
Graham NumberAsset$19.610.93xyes√(22.5 × EPS $1.75 × BVPS $9.74) — Graham's conservative floor
EV/EBITDA RelativeRelative$32.420.56xyesEBITDA $2.63B × sector EV/EBITDA 7.0x
FCF YieldEarnings$33.330.55xyesFCF $1744.8M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarningsno
Ben Graham FormulaEarnings$56.620.32xyesEPS $1.75 × (8.5 + 2×15.0%) × (4.4 / 5.3%)
ROIC-Justified P/BAsset$13.121.39xyesBV $9.74 × (ROIC 15.7% / WACC 11.7%)
P/Sales SectorRelative$16.221.13xyesRevenue $5.22B × sector P/S 1.5x
PEG Fair ValueRelative$49.310.37xyesEPS $1.75 × (PEG 1.5 × growth 18.7% (input: historical EPS growth)) → PE 28.1x
Earnings YieldEarnings$18.970.96xyesEPS $1.75 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Net cash$160.8m
Net debt / NOPAT (after-tax)-0.14x (net cash)
Net debt / operating income (pre-tax)-0.13x (net cash)
Interest coverage1.9x
Share count CAGR (buyback)-0.1%
Burning cashno

Bullet Takeaways

Bull Case

The trajectory is the argument. Service revenue grew 6.5% year over year in the first quarter of 2026, EBITDA grew faster at 7.8%, and operational cash flow grew faster still at 16.8%. That ordering matters: when cash generation compounds ahead of revenue, the operator is converting growth into money rather than into network spend, and TIM is doing it at a 20.2% trailing operating margin with an 18% return on equity. For a mobile operator in a mature market, revenue rising at a mid-single-digit clip while cash flow rises in the mid-teens is the healthiest shape the income statement can take.

The growth lever beyond connectivity is real and disclosed, not promised. The 20-F describes a revenue line from "revenue from new partnership agreements, described as \"Customer Platform\" (financial, education, digital security, health and advertising)", a business that rents TIM's customer relationships to partners at margins connectivity cannot match. New partnerships with PicPay and Axia were announced alongside the first-quarter results, and the company has committed the whole enterprise to a broader roadmap: the filing states that "In February 2026, the Company announced its 2026-2028 Strategic Plan, built on six pillars that balance growth, profitability, efficiency, technological transformation, and sustainability". Management's 2026 targets under that plan call for service revenue growth of roughly 5%, EBITDA growth of 6% to 8%, and growth of EBITDA after leases minus capex of 11% to 14%.

The balance sheet says management can afford its own ambitions. The company sits in a modest net cash position at the corporate level, the share count has been essentially flat for four years (drifting down about 0.1% a year), and free cash flow runs about $1.7 billion against $5.2 billion of revenue. That is what funds the shareholder remuneration guidance of R$5.3 to 5.5 billion for 2026, raised as part of the new plan. The concession the bull must make is that none of this is cheap at today's price; the response is that self-funded growth, rising payouts, and a clean balance sheet are exactly the combination that has historically kept expensive operators expensive.

Bear Case

The price rests on a story about the future, and the story has three load-bearing assumptions: that a mature mobile market keeps absorbing price increases, that the Customer Platform partnerships scale into a real second revenue engine, and that Brazilian macro conditions stay benign enough for both. Today's price pays about 46 times company-wide operating income, which requires operating growth held near its self-funding ceiling for roughly seven years; of comparable fast-growers, only about 21% have sustained that pace so long. The company earns a 20.2% operating margin now and grew service revenue 6.5% last quarter, solid numbers that are nonetheless nowhere near the priced trajectory. If the growth assumption mean-reverts toward what the business has actually demonstrated, the multiple compresses, and it has a long way to compress.

The most fragile assumption is pricing power, because the market it depends on is crowded and getting more so. The company's own filing is direct: "Brazil's mobile telecommunications market is mature and remains highly competitive", and beyond the three national operators it notes that "competition has intensified not only among the three national mobile operators but also through the presence of established regional providers, such as Algar Telecom and Sercomtel, as well as newer entrants that have launched 5G services in recent years, including Brisanet, Unifique and Ligga". Meanwhile the first quarter showed the cost of pushing price into a strained consumer: rising bad-debt provisions pressured profitability even as revenue beat, and the shares fell about 7% on the print. The fixed business offers no offset; the 20-F reports fixed service revenue up just 0.4% in 2025, with the year-over-year comparison hurt by the conclusion of the strategic financial services partnership, a reminder that platform deals can end as well as begin.

Then there is the wrapper around the whole thesis: a US-listed holder owns Brazilian real cash flows. The filing warns that "a sustained deterioration in global conditions that spills over into Brazil could affect economic growth, consumer confidence and currency stability, which may reduce demand for our services and increase our operating and capital costs". Currency was concrete enough this spring that Barclays cut its price target to $24 from $28 citing currency and yield shifts. Brazil's dividend taxation is also changing; the 20-F notes the new regime does not apply to profits earned through calendar 2025 provided distributions are approved by the end of that year, which means the tax treatment of the payout stream that anchors the income case is less settled going forward. A stock priced beyond what any standard valuation frame supports has no cushion for any of these assumptions wobbling.

Valuation

At $22.29 (July 10, 2026), the market is paying roughly 46 times TIM's company-wide operating income. Run backwards, that price embeds operating growth held at about the fastest pace the business can self-fund, sustained for roughly seven years at an 8.4% cost of capital; treat those figures as approximate, since small changes in assumptions move the horizon by about two years per percentage point. Of comparable fast-growers, only about 21% sustained that pace for so long. The company's demonstrated economics are good, a 20.2% trailing operating margin on about $5.2 billion of revenue, but the bet is on duration, not on level.

The methods disagree with the price, and they disagree in an unusually one-sided way: no family of valuation method reaches it. The price sits several times above where asset-value approaches land (roughly 5.7 times their central estimate), well above earnings-power approaches (about 4.6 times), and more than three times where peer multiples put it, with the peer lens blending a 12x sector P/E against the stock's own 64x trailing earnings. Even the forward-growth family, the most generous, lands about 45% below the price on its central read. The single method that gets there is the exit-multiple cash-flow model, and it does so only by holding today's 21.5x EV/EBITDA flat for six years; the bear scenario compresses that to 19.5x, the bull expands to 23.5x. When the only path to today's price is assuming today's multiple never fades, the multiple is the question rather than the answer.

What the price does not have to fear is the balance sheet. TIM carries a small net cash position at the corporate level, generates free cash flow of about $1.7 billion, is not burning cash, and has held its share count essentially flat over four years. The downside here is not solvency; it is compression, the distance between a price built for seven years of ceiling-pace growth and an operator currently growing service revenue in the mid single digits.

Catalysts

The next scheduled information event is the second-quarter earnings report on July 28, 2026. It carries more than usual weight because the first quarter set up a specific tension: revenue of R$6.8 billion beat expectations and net profit came in at R$817 million, but rising operational expenses and bad-debt provisions pressured profitability, and the shares fell about 7% on the release. Management has said the next move in its More for More strategy is price increases in the hybrid segment in the third quarter, so the July print and the one after it will show whether pricing is landing without accelerating churn or credit losses.

The February 2026 strategic plan gives the checklist against which the year gets graded: service revenue growth around 5%, EBITDA growth of 6% to 8%, capex of R$4.4 to 4.6 billion, and shareholder remuneration of R$5.3 to 5.5 billion for the 2026 fiscal year. Alongside the plan, the company announced partnerships with PicPay and Axia to feed the Customer Platform line and closed the V8.Tech acquisition for roughly R$166 million to build out B2B capabilities.

Sell-side sentiment has cooled at the margin without turning negative: Barclays lowered its price target to $24 from $28 on currency and yield shifts while keeping an Equalweight rating, and Scotiabank trimmed its target to $27 from $29.50 with a Sector Perform rating. The consistent thread in both is not the operating story, which keeps delivering, but how much of it the ADR price already carries.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

Q1 2026 earnings presentation · Q1 2026 earnings call · February 2026 strategic plan announcement · Q1 2026 earnings call coverage · Investing.com, Barclays note · Investing.com earnings calendar · Q1 2026 earnings coverage, StockTitan and Investing.com · Q1 2026 earnings materials · Investing.com analyst notes

View the full interactive TIMB report on boothcheck