TIMB vs VIV: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of September 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: TIMB is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. TIMB and VIV share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined TIMB and VIV exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

TIM S.A. (NYSE: TIMB) is the Brazilian mobile operator formerly known as TIM Participacoes, controlled by Telecom Italia, and it is the third-largest wireless carrier in Brazil with roughly 62 million subscribers and about a 23% market share behind Vivo (Telefonica Brasil) and Claro (America Movil). The company runs a nationwide mobile network with expanding 4G and 5G coverage, is growing its postpaid and B2B businesses, and is pushing into adjacent digital services through fiber (I-Systems), fintech partnerships (a tie-up with PicPay's roughly 67 million accounts), and enterprise IT and AI (the V8.Tech acquisition). Its shares trade in the US as ADRs alongside the local TIMS3 listing on the B3 exchange in Sao Paulo.

Full TIMB guide

Telefonica Brasil, which operates under the Vivo brand, is the largest telecommunications company in Brazil. It provides mobile voice and data service, fiber and fixed broadband, pay TV, and digital services to consumers and businesses across the country. The company is the mobile market leader with roughly 103 million mobile accesses and about a 38% share, and it has been aggressively expanding fiber-to-the-home, reaching around 31 million homes passed and roughly 7.8 million connected homes by the end of 2025. Vivo makes money primarily from recurring monthly mobile and broadband subscriptions, with postpaid mobile and FTTH fiber the main growth engines while legacy fixed voice and DSL decline.

Full VIV guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• TIMB drivers: Postpaid and mobile service revenue growth; Cost discipline and margin expansion.
• VIV drivers: Market-leading mobile franchise; Fiber (FTTH) expansion.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The largest risk is currency: TIMB earns in Brazilian reais but reports ADR value in US dollars, so a weakening real can erase local-currency gains for US holders. For VIV, as an ADR, VIV carries meaningful currency risk: even when Vivo grows in Brazilian reais, a weaker real reduces the dollar value of both the share price and the dividend for US holders.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick TIMB if you believe its drivers more; VIV if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the TIMB and VIV guides.

TIMB. TIMB trades at a modest low-teens earnings multiple with a high single-digit-adjacent dividend yield, reflecting its status as a mature, cash-generative telecom rather than a growth name. Revenue growth is in the mid-single digits in local currency, and reported US-dollar figures depend heavily on the Brazilian real exchange rate. Analysts broadly hold a neutral stance with price targets above the mid-2026 share price.

VIV. VIV trades as a high-yield emerging-market telecom, valued more on its dividend and cash generation than on growth. The company distributes essentially all of its net income to shareholders, so the ADR behaves like an income holding whose dollar return depends on both operating results and the Brazilian real. All figures are approximate and as of July 2026.

Headline figures (approximate, July 2026): TIMB shows market cap ~$10.4B, revenue (ttm) ~$5.2B, net income (ttm) ~$830M, p/e ratio ~12.5x; VIV shows net operating revenue (fy2025) ~R$59.6 billion (~$11 billion), net income (fy2025) ~R$6.2 billion (~$1.1 billion), revenue growth (fy2025) ~7% year over year, dividend yield (adr) ~5% to 6%.

TIMB and VIV are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined TIMB and VIV exposure against your real portfolio. It is not an investment adviser.