In January 2026, Telefónica, S.A. and its subsidiary Telefónica Emisiones, S.A.U. issued €900 million in 4.381% callable green bonds and €1.75 billion in undated deeply subordinated fixed rate reset green securities listed on Euronext Dublin, with proceeds allocated under the group’s Sustainable Financing Framework.

Alongside these green financings, an earnings estimate upgrade to a Zacks Rank #2 rating highlights how improving expectations and sustainable funding tools are reshaping perceptions of Telefónica’s business quality and capital structure.

We’ll now examine how Telefónica’s sizeable green bond issuance, with its subordinated and perpetual features, may influence its broader investment narrative.

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To own Telefónica, I think you need to believe that its core European and Brazilian networks, plus higher-margin digital services, can gradually translate into more reliable cash generation despite recent losses and high leverage. The latest green bond and hybrid issuance strengthens liquidity and may ease near term balance sheet pressure, but it does not remove the key risk that debt and interest costs remain a constraint on flexibility and shareholder returns.

Among recent updates, the reaffirmed 2025 guidance for organic revenue and EBITDA growth stands out next to this €2.65 billion green funding push, because together they frame how Telefónica is trying to balance investment, sustainability-linked financing, and a still-stretched balance sheet. If the company can support network and B2B digital expansion while servicing its debt load, these issues could reinforce the core investment case rather than dilute it.

Yet investors should also be aware that, despite the fresh green capital, Telefónica’s leverage and interest coverage still…

Read the full narrative on Telefónica (it’s free!)

Telefónica’s narrative projects €38.3 billion revenue and €2.2 billion earnings by 2028. This assumes revenues decline by 2.6% per year and an earnings increase of about €3.0 billion from €-797.0 million today.

Uncover how Telefónica’s forecasts yield a €4.51 fair value, a 35% upside to its current price.

BME:TEF 1-Year Stock Price Chart BME:TEF 1-Year Stock Price Chart

Five members of the Simply Wall St Community currently see Telefónica’s fair value between €4.51 and €9.24 per share, reflecting a wide spread of individual views. Set against that diversity, concerns around persistent high leverage and weak interest cover remind you why understanding balance sheet risk is critical before forming your own view.

Explore 5 other fair value estimates on Telefónica – why the stock might be worth over 2x more than the current price!

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Companies discussed in this article include TEF.MC.

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