Lumen Technologies (LUMN) is back in focus as investors look ahead to its second quarter 2026 earnings report on August 4, with attention on its multiyear transformation and recent connectivity and security product moves.

Lumen Technologies’ recent 1-day share price return of 5.13% and 7-day share price return of 0.46% sit against a 30-day share price decline of 14.58% and a 90-day share price decline of 29.61%, while the 1-year total shareholder return stands at 47.42%. This points to stronger long term performance than the shorter term trend.

Given this mix of near term weakness and longer term gains, it can be useful to widen your watchlist to other telecom and infrastructure ideas, including 35 power grid technology and infrastructure stocks

Lumen Technologies is working to reshape its business around connectivity and security, while the share price has swung sharply in recent months. The key issue now is whether that transformation is already fully reflected in today’s valuation.

Most Popular Narrative: 20.9% Undervalued

The most followed narrative for Lumen Technologies pegs fair value at $8.29 per share compared with the recent close of $6.56. This puts execution of its transformation at the center of the debate.

Lumen's large pipeline of AI-driven network infrastructure and Platform Connectivity Fiber (PCF) contracts, particularly with hyperscalers and data center providers, positions the company to capture long-duration, higher-margin recurring revenues from explosive data growth, benefiting long-term revenue and margin expansion.

Curious what sits behind that valuation gap. The narrative focuses on how fast legacy decline is replaced, what margins look like on newer contracts, and how a higher future earnings multiple could be justified without aggressive growth assumptions.

Result: Fair Value of $8.29 (UNDERVALUED)

However, for Lumen Technologies the narrative could be challenged if legacy revenue keeps falling faster than expected, or if customer concentration in hyperscalers weakens pricing power.

Another View On Lumen Technologies Valuation

The most popular Lumen Technologies narrative leans on a fair value of $8.29 per share. Our DCF model points in a different direction. It values future cash flows at $4.47 per share, which suggests the stock is trading at a premium to that cash flow view. Which story do you think fits the risk you are willing to take?

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Lumen Technologies for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 56 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With sentiment mixed around Lumen Technologies, it helps to look beyond headlines and move fast to form your own view using the 2 key rewards and 2 important warning signs.

Looking for more investment ideas beyond Lumen Technologies?

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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.