Coherent (COHR) Could Be 13% Undervalued As AI Infrastructure Stocks Reset

Coherent Corp.

Coherent Corp.

COHR

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Coherent (COHR) has been caught in a broad pullback in high valuation AI infrastructure stocks, with shares dropping alongside optical and semiconductor peers even as its revenue growth and policy support headlines remain intact.

Coherent’s share price has pulled back sharply in the short term, with a 1 day share price return of 9.6% down and a 7 day return of 12.4% down. This has interrupted strong momentum that includes a 90 day share price return of 31.7% and a year to date share price return of 71.5%. The 1 year total shareholder return of 266.7% and 3 year total shareholder return of more than 5x highlight how powerful the earlier AI optics rerating has been as the stock shifted into major growth indices and secured CHIPS Act support.

If you are watching how AI infrastructure stocks react to valuation resets, it can help to compare Coherent with other companies in the same theme using our 52 AI infrastructure stocks.

With Coherent now sitting on a sharp pullback after a huge 1 year run, the key question for investors is simple: is this reset leaving COHR undervalued, or is the market already pricing in years of future growth?

Most Popular Narrative: 13.3% Undervalued

Coherent’s most followed valuation narrative pegs fair value at about $384, which sits above the last close of $333.36 and frames the recent pullback as a potential gap between story and price.

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.

Want to see how this AI optics demand is translated into future revenue, earnings and margins for Coherent? The narrative leans on aggressive compounding, rising profitability and a premium earnings multiple tied to those projections. It also examines which assumptions have the biggest impact on that $384 fair value and how sensitive they are to execution.

Result: Fair Value of $384 (UNDERVALUED)

However, Coherent’s story can still be knocked off course if co packaged optics adoption is slower than analysts expect, or if supply chain constraints squeeze margins and delay revenue.

Another View: Coherent Looks Expensive On Sales

There is a catch. While the narrative pegs Coherent as about 13.3% undervalued on fair value assumptions, the current P/S ratio of 9.9x sits well above both the US Electronic industry at 2.9x and the peer average at 6.1x, and even above a fair ratio estimate of 11.7x.

That gap suggests investors are already paying a premium for Coherent’s growth story, leaving less room for error if forecasts or sentiment change from here. How comfortable are you with paying up for this kind of profile?

NYSE:COHR P/S Ratio as at Jul 2026
NYSE:COHR P/S Ratio as at Jul 2026

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Coherent 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 44 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

Given the mix of enthusiasm and concern around Coherent, it makes sense to review the numbers yourself and decide whether the trade off suits you. To weigh both sides of the story in one place, start with our 2 key rewards and 3 important warning signs.

Looking for more investment ideas beyond Coherent?

If Coherent has sharpened your focus on opportunity and risk, do not stop here. Broaden your watchlist with a few targeted stock ideas uncovered by our screeners.

  • Target potential mispricings by reviewing companies that appear attractively priced on quality metrics using our 44 high quality undervalued stocks.
  • Prioritize resilience and focus on financial strength by checking out stocks with stronger balance sheets and fundamentals through the solid balance sheet and fundamentals stocks screener (47 results).
  • Spot early opportunities before they become widely followed by scanning a screener containing 18 high quality undiscovered gems.

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.