Is Amazon.com (AMZN) Undervalued Following Its $200b AI Infrastructure Push?

Get insights on thousands of stocks from the global community of over 7 million individual investors at Simply Wall St. Recent enthusiasm around Amazon.com (AMZN) is tied to its push into artificial intelligence infrastructure, including a planned US$200 b capital spend, rapid growth in Trainium chip revenue, and a sizable stake in AI start up Anthropic. See our latest analysis for Amazon.com. Against this backdrop, Amazon.com's share price return of 10.37% year to date and three year total shareholder return of 94.09% suggest momentum has been rebuilding as investors weigh its AI driven capex plans and AWS commitments against ongoing retail restructuring. If Amazon's AI push has your attention, it can be useful to see what else is happening around the theme, including companies powering similar infrastructure. Take a look at the Simply Wall St screener for 54 AI infrastructure stocks Amazon.com's recent share price gains sit against a wide spread between its current US$249.99 price, analyst price target of US$312.99 and intrinsic value estimate implying a 52% discount. So where does fair value really sit? Most Popular Narrative: 10.7% Undervalued At a last close of $249.99 versus a narrative fair value of $280, the current Amazon.com price sits below what this widely followed thesis considers reasonable, and that gap is largely anchored in how the business is using AI and cloud to reshape its earnings mix. Amazon delivered a powerhouse Q1 2026 performance, reporting its highest-ever operating margin and a significant re-acceleration in its cloud business. However, the report also underscored the staggering price of staying competitive in the AI arms race, sparking a complex reaction in its valuation. Read the complete narrative. Curious what sits behind that margin story and fair value of $280? The narrative leans heavily on accelerating AWS, richer advertising economics and a reset in retail profitability, plus a specific earnings path that ties those pieces together. Result: Fair Value of $280 (UNDERVALUED) Have a read of the narrative in full and understand what's behind the forecasts. However, this Amazon.com narrative can be tested quickly if AI data center capex compresses cash flow more than expected, or if cloud competition limits AWS growth assumptions. Find out about the key risks to this Amazon.com narrative. Another View: Amazon.com Through the P/E Lens While the narrative fair value suggests Amazon.com is undervalued, the earnings multiple tells a tighter story. The stock trades on a 29.6x P/E, richer than both the global Multiline Retail industry at 19.8x and its peer average of 28.7x, yet still below a fair ratio of 44.1x. That mix of premium pricing and headroom raises a practical question for investors: is the market already pricing in much of the AI upside, or still leaving a buffer for future execution?