Calix (CALX) Draws Fresh Interest, Is The 40% Undervaluation Case Convincing?

Calix (CALX) is back in focus after two related developments. Unusual options activity hinted at expectations for a sizable share move, and Conexon Connect expanded its use of Calix’s AI native platform for rural broadband delivery.

See our latest analysis for Calix.

Calix shares trade at US$39.47 after a 1 day share price return of 5.65% and a year to date share price decline of 26.35%. The 1 year total shareholder return is down 30.14%, which suggests recent momentum has picked up against a weaker longer term trend as options activity and customer news refocus attention on the stock.

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The recent jump in Calix raises a practical question for you. Is this options fueled interest simply sentiment snapping back after a weak year, or does it better reflect what the current price implies about the underlying business?

Most Popular Narrative: 40.2% Undervalued

Calix’s most followed narrative points to a fair value of $66.00 versus the current $39.47 share price, which frames the recent options activity in a very different light.

The upcoming rollout of Calix's third-generation platform, which integrates agentic AI capabilities, is expected to dramatically accelerate broadband providers' ability to monetize new services and experiences across residential, business, and municipal segments. This can drive higher ARPU, increased subscriber growth, reduced churn, and ultimately stronger revenue expansion beginning in the second half of 2025 and accelerating into 2026.

Read the complete narrative.

Want to understand why this narrative still sees upside even after a difficult share price year? The story leans heavily on faster revenue growth, rising margins, and a future earnings multiple that stays above the wider communications sector. The detailed model behind that view is where the real debate starts.

Result: Fair Value of $66.00 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, Calix still faces meaningful risks, including potential setbacks in agentic AI adoption and ongoing securities class action lawsuits that could affect confidence in its long term story.

Find out about the key risks to this Calix narrative.

Another View on Calix Valuation Using Earnings Multiples

The popular Calix narrative leans on a fair value of $66.00, yet the current P/E of 48.5x tells a more cautious story. That multiple sits above both the US Communications industry at 33.3x and the 44.3x fair ratio that our model suggests the market could gravitate toward.

Compared with peers on an average P/E of 67.9x, Calix does not look stretched on a relative basis. On an absolute basis, though, paying above the industry and fair ratio hints at less margin for error if growth or margins fall short. Which reference point carries more weight for you at today’s price?

See what the numbers say about this price — find out in our valuation breakdown.

Next Steps

Sentiment around Calix is clearly split, so it makes sense to review the numbers and timing for yourself and move quickly if you choose to act. To see what the market is optimistic about right now, take a closer look at the 3 key rewards

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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.

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