🔍 Read the full analysis: AWS’s Fast Growth And Amazon’s Cash Spending Raise A Key Question on ThorstenMeyerAI.com
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TL;DR
Amazon said AWS revenue grew 39% in the third quarter to $46 billion, while its contracted future revenue backlog reached $578 billion. The company spent $75.9 billion on capital investments during the quarter and reported trailing 12-month free cash flow of minus $42.4 billion, sharpening investor questions about how quickly its AI and cloud investments will generate cash.
Amazon reported 39% third-quarter growth at AWS, its fastest pace since late 2021, but its shares fell more than 6% in after-hours trading Thursday as investors weighed the cloud unit’s strong results against $75.9 billion in quarterly capital spending and sharply negative free cash flow. The figures put a central question about Amazon’s AI expansion in focus: how soon can the spending on data centers, chips and equipment turn into cash returns?
AWS revenue reached $46.0 billion in the July-to-September quarter, while operating income rose 55% to $17.8 billion, according to Amazon’s October 29 earnings release. Chief Executive Andy Jassy said AWS’s contracted future revenue, or order book, climbed to $578 billion, up from $496 billion three months earlier. That backlog represents contracted business to be delivered over time, not cash already received.
Amazon’s cash capital spending was $75.9 billion in the quarter. Chief Financial Officer Brian Olsavsky said on the earnings call that the spending primarily related to AWS and AI. Jassy said most of Amazon’s approximately $220 billion spending plan for 2026 is directed to AWS, and the company expects spending to be “meaningfully more” in 2027. Amazon had raised its 2026 plan from about $200 billion in July, citing higher memory prices, according to the source material.
For the 12 months ending in the third quarter, Amazon generated $168.3 billion in operating cash and spent $210.7 billion on capital investments. Its free cash flow over that period was negative $42.4 billion, compared with positive $14.8 billion a year earlier. The source’s estimate of about $33.5 billion in negative free cash flow for the quarter is its own calculation, rather than a separately stated company figure. Amazon also reported earnings per share of $1.89, below analysts’ $1.96 estimate, while advertising revenue and its holiday-quarter revenue forecast fell short of expectations cited by CNBC, LSEG and StreetAccount.
Infographic 01 · The scorecard
Fastest cloud growth in five years, deepest cash gap.
Amazon’s third quarter (July to September 2026), scored against the four numbers from my 28 October preview.
The four numbers from my preview, scored for Amazon
Status chips: ok = healthy, hold = watch, urgent = warning sign. My assessment.
- 1 · Capex planAbout $220B for 2026, unchanged holdRaised from $200B in July, citing memory prices. 2027: “meaningfully more”, no number.
- 2 · Cloud vs. capexAWS +39%, operating income +55% holdGross capex +120% vs. a year earlier ($77.3B vs. $35.1B, my arithmetic). Revenue grows fast; spending faster.
- 3 · Free cash flow + fundingDeeply negative, financed with bonds urgentAbout −$33.5B in the quarter (my arithmetic). $48.1B of new long-term debt in Q3.
- 4 · CapacityCustomers take it as fast as it is installed okBacklog +$82B in one quarter. Big blocks reserved well in advance; visibility into 2027–2028.
What beat
- AWS revenue $45.98B vs. $45.29B expected
- AWS operating income $17.77B vs. $16.97B expected
- Operating margin 13.9%, Amazon’s highest ever
What missed
- Earnings per share $1.89 vs. $1.96 expected
- Advertising $19.64B vs. $20.82B expected
- Q4 revenue guide midpoint $243.5B vs. $244.5B expected
- Shares down more than 6% after hours (CNBC; GeekWire: more than 7%)
Sources: Amazon Q3 2026 release, 29 Oct 2026; Amazon Q3 call, third-party transcript; CNBC, 29 Oct; CNBC, 30 Jul; GeekWire, 29 Oct. Analyst expectations as reported by CNBC (LSEG, StreetAccount). Quarterly free cash flow and capex growth: my arithmetic from Amazon’s cash flow statement. Status chips: Thorsten Meyer.
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The Cost of Building AI Capacity
The results show the tension between rapid cloud demand and the cost of meeting it. AWS’s expanding backlog suggests customers have signed up for substantial future services, but data centers and computing equipment require large payments before those services are delivered and paid for. A backlog is not a guarantee of when revenue or cash will arrive, so the size of the investment raises questions about timing and returns.
For Amazon, the spending also competes with other demands on cash and can affect how investors value the company while infrastructure is being built. Long-term debt rose from $65.6 billion to $173.1 billion in the first nine months of 2026, according to the source material. That change sits alongside the cash flow figures, though it does not by itself establish why the debt increased or how much of the investment it financed.
Cloud customers may feel the expansion through the availability, price and performance of computing capacity. The source account says large blocks of AI capacity are often reserved well in advance, while short-term capacity on older AI chips can carry a premium. For shoppers, the reported results do not establish an immediate change to Amazon’s retail prices or service. They do show the scale of the investment being made by a company that also operates a major consumer business.
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AWS Growth Meets Rising Investment
AWS growth has accelerated over six consecutive quarters, with rates listed in the source as 17%, 20%, 24%, 28%, 37% and 39% since the second quarter of 2025, excluding currency effects. The latest growth rate is therefore part of a continuing run of acceleration, not a single isolated result. Amazon also said its property and equipment increased from $357.0 billion at the end of 2025 to $508.9 billion at the end of September.
Amazon is investing in data-center facilities and in its own Trainium AI chips and Graviton processors. Jassy said the company is installing an AI accelerator about every 14 seconds and that commitments for its chips had risen more than 20-fold in a year. Amazon also said customers saved more than $2 billion during the quarter by using its chips; that savings figure is the company’s claim, not an independently verified result in the supplied material. The company plans to sell Trainium chips outside AWS from late 2027.
Some of the cost continues to appear after equipment is installed. Amazon’s depreciation and amortization expense rose 25% to $20.9 billion in the quarter, spreading the cost of assets across their useful lives. Jassy argued that owning or leasing capacity long-term can be more profitable than renting it from specialist providers. His comparison of operating margins was an argument made on the call, not an audited industry-wide finding.
“Meaningfully more.”
— Andy Jassy, Amazon chief executive
When Investment Becomes Cash
Amazon’s reported backlog does not specify, in the material provided, when the $578 billion in contracted future revenue will be recognized or how much will translate into near-term cash. The company has not provided a detailed breakdown of the $75.9 billion quarterly spending by data centers, chips, power and other equipment. It also has not stated how much of its investment depends on particular AI customers, chip supply or energy availability.
The figures do not settle whether the spending will produce returns that meet investor expectations, or how long free cash flow will remain negative. The reported debt increase alone does not reveal the sources and uses of borrowing. Amazon’s earnings miss and softer holiday-quarter revenue outlook were among the factors cited in the supplied account of the share-price decline, but the precise contribution of each factor to the market reaction is not established.
Watch Spending and AWS Returns
Investors will look to Amazon’s next earnings updates for changes to its 2026 capital-spending outlook, any guidance for 2027, and evidence that new capacity is becoming revenue and cash. Updates on AWS growth, operating income, backlog conversion and free cash flow can help show whether infrastructure investment is keeping pace with customer demand.
Customers and suppliers will also be watching for details about AI capacity availability, memory and other component costs, and Amazon’s plans for its own chips. The company has said Trainium sales outside AWS are planned from late 2027. Until Amazon provides more detail on spending returns and delivery timelines, the speed at which its AI investments turn into cash remains unresolved.
Key Questions
How fast did AWS grow in the third quarter?
AWS revenue rose 39% year over year to $46.0 billion in the July-to-September quarter, according to Amazon.
Why did Amazon shares fall after the results?
The supplied account says shares fell more than 6% in after-hours trading. Investors weighed heavy capital spending and negative free cash flow alongside an earnings-per-share miss, weaker-than-expected advertising results and a holiday-quarter revenue forecast slightly below expectations. The relative effect of each factor is not established.
What does AWS’s $578 billion order book mean?
It is the value of contracted future revenue cited by CEO Andy Jassy, up from $496 billion three months earlier. It is not cash already collected, and the supplied material does not specify when all of it will be recognized.
How much did Amazon spend on capital investments?
Amazon reported $75.9 billion in cash capital spending during the third quarter. Its stated plan for 2026 is about $220 billion, with spending expected to be “meaningfully more” in 2027.
Is Amazon’s free cash flow negative?
Yes. Amazon’s free cash flow for the 12 months ending in the third quarter was negative $42.4 billion, compared with positive $14.8 billion a year earlier. The supplied article estimates quarterly free cash flow at about negative $33.5 billion using its own calculation.
Source: ThorstenMeyerAI.com
