Coherent (COHR) is back in focus after reporting quarterly revenue and earnings above analyst expectations, along with guidance that also topped forecasts, largely tied to demand from AI data center related optical networking products.

The latest earnings beat and guidance have arrived on the back of strong momentum in Coherent’s share price, with a 1-day share price return of 8.24% and a year-to-date share price return of 83.01%. The 1-year total shareholder return of 211.94% and very large 3-year total shareholder return point to a stock that investors have rewarded heavily, despite a 12.17% decline over the past 90 days as expectations around AI data center demand and optical networking exposure continue to reset.

If Coherent’s AI and data center story has your attention, it can be useful to compare it with other infrastructure plays and see what stands out in terms of growth, quality, and risk through the 56 AI infrastructure stocks

Coherent now sits close to some fair value estimates yet still trades below the average analyst target, after a sharp move and a long run up. Is the current price a reasonable midpoint or already rich on AI optimism?

Most Popular Narrative: 9.9% Undervalued

Coherent's most followed narrative pegs fair value at $394.62, compared with the last close at $355.64. The gap reflects a story built heavily around AI data center demand and next generation manufacturing capacity.

The ongoing expansion of AI datacenter infrastructure and high-performance computing is propelling structural growth in demand for advanced optical transceivers (800G, 1.6T, and beyond), optical circuit switches, and related photonics components, which is fueling robust sequential order growth and sustained revenue momentum in Coherent's datacom and communications business.

Curious what sits behind that AI heavy revenue story? The narrative leans on assumptions for revenue compounding, a shift in profit margins and a premium future earnings multiple. The full model sets out how those assumptions compare with Coherent's current $6.6b revenue base and recent profitability turn.

Result: Fair Value of $394.62 (UNDERVALUED)

However, Coherent’s AI centric narrative still hinges on assumptions that could be challenged if competition from lower cost Asian suppliers intensifies, or if large customer demand proves less consistent.

Another View: Coherent Through a Sales Multiple Lens

The AI centric fair value for Coherent sits near $394.62, yet the current $355.64 price already reflects a rich sales tag. Coherent trades on a P/S of 10.5x compared with 5.5x for peers and 2.8x for the wider US Electronic industry, while the fair ratio is 9.1x. That gap suggests investors are already paying a premium, so the key question is whether the AI and photonics story justifies staying this far ahead of both peers and the fair ratio.

Next Steps

If this Coherent story feels finely balanced between optimism and concern, move quickly to test the numbers, read the assumptions, and weigh both sides with the 2 key rewards and 3 important warning signs

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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.