Calix (CALX) stock was in focus after the company reported second quarter revenue of US$293.33 million and net income of US$17.11 million, alongside higher full year 2026 revenue guidance and continued AI platform adoption.

Calix shares are trading at US$37.10, with a 30 day share price return of 4.30% that contrasts with a year to date decline of 30.77% and a 1 year total shareholder return decline of 33.99%. This mix of short term strength and longer term weakness suggests recent earnings, buybacks and AI platform wins have improved sentiment, although longer horizon investors are still sitting on losses.

If you are looking beyond Calix and want to see which AI focused companies are also drawing attention, it could be a good moment to scan 56 AI infrastructure stocks

Recent gains have still left Calix trading at a sizeable discount to both analyst price targets and some fair value estimates. Is the market being too cautious after past share price declines, or are investors rightly pricing in the risks?

Most Popular Narrative: 43.8% Undervalued

Calix's most followed narrative points to a fair value of $66.00 compared with the current $37.10 share price. This sets up a wide valuation gap built on specific long term growth and profitability assumptions.

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.

Want to see why this narrative supports a higher fair value for Calix than today's price suggests? The story leans on compounding revenue growth, rising margins and a richer earnings profile built into a discounted cash flow style framework. The key lies in how fast the platform scales, how profitable those future dollars are, and what multiple investors might pay for them in a few years.

Result: Fair Value of $66.00 (UNDERVALUED)

However, this depends on Calix maintaining its margin assumptions and avoiding setbacks from customer concentration or slower adoption of its AI driven platform upgrades.

Another View on Calix Valuation

The earlier narrative leans heavily on analyst forecasts and a cash flow based fair value of $66.00 for Calix. A different approach looks at today’s P/E of 45.6x versus a fair ratio of 44.4x, the US Communications industry at 33.1x, and peers at 61.9x. That mix suggests Calix trades richer than its sector but cheaper than its direct peer group, which raises a practical question: Is the current premium to the industry a fair price for the growth forecasts, or a margin for error that could close if expectations change?

Next Steps

Does the mix of optimism and caution around Calix reflect your own view yet, or do you want to move faster and rely on your own reading of the numbers and assumptions? To see what positive factors others are focused on, take a closer look at the 3 key rewards

Looking for more investment ideas beyond Calix?

If Calix has sharpened your focus, do not stop here. Broaden your watchlist with other opportunities that match your goals and risk comfort.

• Target stronger value potential by scanning companies in the 49 high quality undervalued stocks that pair quality fundamentals with more modest pricing.
• Prioritise resilience and sleep-better-at-night holdings by checking the 83 resilient stocks with low risk scores built around lower risk scores and steadier profiles.
• Hunt for tomorrow’s standouts before the crowd notices by reviewing the screener containing 20 high quality undiscovered gems filtered for quality businesses flying under most radars.

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.