Amazon Stock Is Beating 2 Rivals on 1 Key Metric

Piper Sandler reiterated an Overweight rating and $320 price target on Amazon.com Inc. (NASDAQ:AMZN) on August 31, 2026, citing the most consistent return on invested capital among major technology companies.

Amazon averaged roughly 17% ROIC from 2018 through 2025, while Meta and Alphabet face projected declines of 27 and 26 percentage points, respectively, through 2027. Knowing which company turns capital into profit most reliably is a practical way to check if you're financially ahead, and this is the metric that makes the comparison clear.

Amazon's 17% average ROIC versus Meta's and Alphabet's projected declines

Amazon's average ROIC from 2018 to 2025 stood at approximately 17%, with a projected 14% for 2026, Piper Sandler confirmed.

• Meta's ROIC is projected to decline 27 percentage points from 2024 to 2027.
• Alphabet's ROIC is projected to decline 26 percentage points over the same period.
• Amazon's decline is the shallowest among the three, with spending concentrated in AWS rather than frontier model development.

The consistency gap reflects different spending strategies. Amazon channels capex into a cloud business with proven margins, while Meta and Alphabet are investing heavily in building frontier AI models where returns remain less certain.

AWS expanded operating margins by over 650 basis points year over year

AWS posted a 39% operating margin in the second quarter of 2026, expanding over 650 basis points year over year, or approximately 520 basis points excluding a one-time energy contract benefit, UncoverAlpha reported. Operating income for the segment reached $16.6 billion in a single quarter.

Margins expanded during the heaviest investment cycle in AWS history, with Amazon raising its 2026 capex guidance to approximately $220 billion. AWS now runs at a $169 billion annualized revenue rate with a $496 billion backlog growing at triple-digit percentages year over year.

Meta and Alphabet are spending on frontier models rather than cloud margins

Piper Sandler noted that Alphabet and Meta management appear more focused on building models, products, and gross infrastructure, while Amazon's spending stays concentrated on its AWS cloud computing business, Investing.com confirmed.

Meta's Q2 2026 capex reached $31.1 billion, nearly double year over year, with the full-year guide narrowed upward to $130 billion to $145 billion, according to UncoverAlpha. Alphabet raised its 2026 capex ceiling to $195 billion to $205 billion. Both companies are building AI infrastructure, but a larger share of their spend goes toward training frontier models rather than monetizing cloud services directly.

Amazon trades at a P/E of 21.3 with a PEG ratio of 0.24

Amazon trades at a price-to-earnings ratio of 21.34 with a PEG ratio of 0.24, suggesting an attractive valuation relative to its growth prospects, Investing.com noted. A PEG ratio below 1.0 generally indicates a stock may be undervalued on a growth-adjusted basis.

For your portfolio, the PEG ratio provides context that a raw P/E multiple does not. Amazon's P/E of 21 looks expensive relative to the S&P 500 average, but when adjusted for the growth rate embedded in AWS, the valuation becomes more competitive than Meta's or Alphabet's on a growth-per-dollar basis.

Amazon's capex framework separates long-lived assets from short-cycle chip orders

Amazon's management explained that data centers monetize for 30-plus years after opening, while servers and networking equipment are purchased just a few months before deployment against visible customer demand, as noted by UncoverAlpha. Servers break even in under three years and have a useful life of five to six years.

The framework means Amazon does not commit to the most expensive component, the chips, until it can see the demand. Jassy stated that the lion's share of 2027 capacity is already reserved and "quite a bit" of 2028 demand is booked. Your risk assessment of Amazon's capex may benefit from understanding that the spend is not speculative.

Why ROIC consistency matters more than growth rate for retirement portfolios

Growth rates attract attention, but ROIC consistency measures how well a company converts invested capital into profit over time. A company with a consistently higher ROIC generates more cash per dollar of investment, which supports dividends, buybacks, and reinvestment without requiring external capital.

You may want to consider that Meta and Alphabet are investing in categories where returns are unproven at scale, while Amazon's capex feeds a cloud business already generating 39% operating margins. For retirement portfolios balancing capital preservation with growth, the distinction between proven and unproven spending destinations could determine which stock delivers more reliably.

Risks of relying on a single analyst's ROIC framework

Piper Sandler's ROIC projections assume that Meta's and Alphabet's frontier model investments will not generate comparable returns within the forecast window. A breakthrough in AI monetization at either company could close the gap faster than projected, particularly if AI-driven advertising or API revenue scales rapidly.

Amazon also faces its own risks. AWS margins could compress if memory costs continue rising and competitive pressure from Azure and Google Cloud intensifies. A $220 billion capex commitment in a single year creates meaningful financial exposure even when the underlying demand is strong.

Bottom line

Piper Sandler's analysis highlights ROIC as the metric separating Amazon from Meta and Alphabet. Amazon's 17% average ROIC from 2018 to 2025 and AWS's 39% operating margin stand against projected ROIC declines of 27 and 26 percentage points at Meta and Alphabet through 2027 as both companies pour capital into frontier model development.

Comparing ROIC consistency across the companies you hold is the kind of analysis that the must-have investing apps on your phone can simplify, and the distinction between capex flowing into a proven profit engine versus an unproven one may matter more for your retirement balance than the headline growth rate of any single quarter.

This article is for informational purposes only and should not be considered investment advice.

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