Calix (CALX) has just reported second quarter 2026 results that exceeded revenue and earnings expectations, with strong demand for its cloud and managed services, as well as fresh client wins and product launches, supporting recent share price strength.

Calix shares have picked up recently, with a 1 day share price return of 3.55% and a 30 day share price return of 5.74%. However, the year to date share price return is still down 24.33% and the 1 year total shareholder return has declined 28.38%. This points to improving short term momentum after a tougher longer term spell as investors react to stronger results, new smart home security tools, grid monitoring solutions, and the CoastConnect rollout on Calix One.

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After a sharp setback this year and a recent bounce on stronger Calix results and product launches, the real test now is the valuation. Do the current numbers still leave enough upside potential for new money?

Most Popular Narrative: 34.9% Undervalued

Calix closed at $40.55, while the most widely followed narrative anchors fair value at $62.33. That gap is built on specific growth and margin assumptions rather than sentiment alone.

The move to a cloud/software-centric, end-to-end platform continues to expand recurring revenue and gross margins. As customers more deeply adopt Calix Cloud and managed services, continued margin improvement and earnings quality should follow, helping to support higher long-term net margins and cash flow.

Curious what sits behind that fair value for Calix? The narrative focuses on faster earnings growth, thicker margins, and a lower future earnings multiple than many might expect.

Result: Fair Value of $62.33 (UNDERVALUED)

However, Calix still faces real pressure from higher memory costs and customer concentration. These factors could squeeze margins and unsettle the current valuation narrative.

Another View On Calix Valuation

While the analyst narrative sees Calix as 34.9% undervalued at $40.55 versus a $62.33 fair value, the SWS DCF model goes even further. It estimates fair value at $83.83, which is far above the current price and suggests a much bigger potential gap. Which framework do you consider more useful for forming your own assumptions?

Next Steps

With sentiment around Calix divided between stronger results and valuation debate, this is a good time to review the data yourself and move quickly to shape your own view by checking the 3 key rewards

Looking For More Investment Ideas Beyond Calix?

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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.