What Advanced Micro Devices Buyers Were Betting On Before A 137% Rally

One deal crystallised how aggressively AI buyers are lining up behind Advanced Micro Devices. Citi singled out AMD’s five year, 6 gigawatt commitment from Meta for custom Instinct MI450 GPUs, complete with shipment based warrants, as a turning point for the business. For Advanced Micro Devices shareholders, the return from the start of the year was 136.6%, including dividends. If you were deciding on 1 January 2026, what had to be true about those AI contracts and future execution to justify that kind of outcome?

The useful thing about a Narrative is that the reasoning is checkable: the assumptions sit beside the argument, and together they imply an estimated Fair Value you can disagree with.

Advanced Micro Devices has already moved. Pinpoint other ways to investigate the theme among 55 AI infrastructure stocks.

The Argument You Would Have Been Weighing Up On Advanced Micro Devices

The shares cost US$214 at the start of the period, so any investor in Advanced Micro Devices had to decide which story felt more convincing.

The bullish narrative pointed to a Fair Value of US$227, assuming annual revenue growth of 26.4% and profit margins rising from 9.2% to 21.0% by 2028, with AMD earning US$12.5b on a 39.6x P/E.

The more cautious view put Fair Value at US$185, with an assumed 20.3% revenue growth rate, margins stabilising around 17.8%, and a higher future P/E of 43.6x as a key risk if competition or regulation proved more challenging than hoped.

What The Results Changed For The Advanced Micro Devices Thesis

The clearest development was AMD’s AI data center push turning into much larger reported numbers. Revenue reached US$11.54b in Q2 2026 versus US$7.69b a year earlier, and net income moved from US$768m to US$2.31b. Net margin shifted from 10.0% to 20.0%. That profitability step up broadly supported the optimistic case, even with execution risk around large AI contracts still unresolved.

The test here was simple. Bulls were effectively betting on higher AI driven throughput and better margins. When you look at another chipmaker chasing similar narratives, check whether data center related revenue and net margin move together in the filings or whether one lags the story being sold.

What Today's Advanced Micro Devices Price Already Assumes

Advanced Micro Devices now trades at US$529 from the start price of US$214, which means a 136.6% total return from the start of the year. This Narrative’s Fair Value sits below the current price, framing today’s quote as rich against its own earnings model.

The selected Narrative questions whether AI heavy data center momentum can outweigh margin mix pressure, supply constraints and weaker Gaming. For today’s valuation to hold, a buyer would need confidence that Helios and MI450 rack-scale demand converts constrained capacity into sustained, high quality profit growth despite those headwinds.

"The main thing that has to go right for AMD is that its push into full-stack Helios rack-scale AI systems, MI450 accelerators, and ROCm.ai software translates the currently supply constrained data center demand into sustained, high quality profit growth. That profit growth would need to more than offset ongoing weakness and guided double digit declines in the Gaming segment."

One Narrative has put a figure on that disagreement. → See the Narrative with its lower Fair Value, assumptions and all

After AMD's Racks, What Next?

AMD’s AI racks and accelerators grab attention. What quietly keeps that traffic moving?

Every advanced chip depends on fast, reliable paths to move data around it.

One infrastructure specialist builds connectivity hardware and software that keeps those flows humming.

Its routing gear, custom silicon and private cloud tools help customers move, secure and manage enormous information streams.

The same buyers weighing AMD’s accelerators still need this plumbing, and that supporting role could become even more critical.

The case is on the record, with the assumptions it rests on. → See the Narrative that values this company 98% above its price

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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