Applied Optoelectronics (AAOI) just went through a broad reshuffle across the Russell indices, moving into larger growth and midcap benchmarks while being removed from several smaller cap and value oriented indices.

The index reshuffle hits Applied Optoelectronics at a moment when short term momentum has cooled, with the 30 day share price return down 25.14% and the 1 day move down 6.18%, even as the 1 year total shareholder return is very large and the 3 year total shareholder return is almost 19x.

If you are watching how capital is rotating into data centric plays like Applied Optoelectronics, it can be useful to scan a wider field of AI related infrastructure stocks through the 53 AI infrastructure stocks

With Applied Optoelectronics now sitting in larger growth indices and trading around $139, after a very large 1 year return and almost 19x over 3 years, investors are left asking: is there still value here, or is future growth already priced in?

Most Popular Narrative: 78.2% Overvalued

According to the most widely followed narrative, Applied Optoelectronics has a fair value of $78 compared with the last close at $139. This puts the current price well above that narrative anchor and frames the debate around how much future AI data center growth is already reflected in the stock.

Bull case: AAOI is becoming one of the more strategically relevant optical-interconnect suppliers in AI infrastructure. It now has proof points that matter: hyperscaler qualification, production-scale 800G demand, a first major 1.6T order, and a credible U.S. manufacturing expansion. If it delivers on management’s 2026 plan, today’s valuation may still be justified or even exceeded.

Curious what revenue curve and margin profile sit behind that $78 figure at an 8.13% discount rate, and how aggressive the 2026 ramp looks on paper.

Result: Fair Value of $78 (OVERVALUED)

However, the Applied Optoelectronics story can shift quickly if a major hyperscaler trims orders or if the aggressive 2026 revenue ramp proves difficult to execute.

Next Steps

With mixed sentiment around Applied Optoelectronics, with both risks and rewards in play, it makes sense to review the details yourself and act quickly. To see the balance between potential upside and the concerns investors are flagging, start with the 1 key reward 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.