Azure, AI Capex, and What to Expect Out of Microsoft Through The End of 2026

Alex Sirois

Mon, September 21, 2026 at 4:10 PM GMT+3 6 min read

Quick Read

Azure's $678 billion contracted backlog, up 84%, and guided 45% constant-currency growth give MSFT multi-year revenue visibility few software companies can match.
MSFT has trailed SPY by 900 basis points year to date despite five straight EPS beats, with a consensus analyst target implying 16% upside.
Calendar 2026 capex of roughly $175 billion pushed Q4 free cash flow down 23%, giving bears a credible case if AI returns disappoint.
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At $493.78, Microsoft (NASDAQ:MSFT) sits at a pivotal setup for investors. Azure growth, an unprecedented contracted backlog, and a capex cycle that has become the entire debate around this stock make a clear view worth having right now.

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Microsoft is the world's second-largest company by market value at roughly $3.67 trillion. Azure crossed $100 billion in annual revenue for the first time while full-year capex ballooned to $115.95 billion, up 79.62% year over year.

Shares have drifted lower through the fiscal year even as results beat estimates, leaving MSFT trailing the broad market and setting up a sharper debate about what investors are actually paying for.

Why Azure and the $678 Billion Backlog Frame the Bull Case

Azure grew 43% year over year in the fourth quarter, and management guided to roughly 45% in constant currency for the first quarter of fiscal 2027. Commercial remaining performance obligations reached $678 billion, up 84%, with the portion recognizable beyond the next 12 months up 112%. That is multi-year revenue visibility few software companies can match.

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Microsoft 365 Copilot passed 30 million paid seats, GitHub Copilot revenue accelerated over 60% quarter over quarter, and Foundry serves 100,000 customers. Analyst sentiment: 14 strong buy and 38 buy ratings against only 3 holds and zero sells, with a forward P/E of 25 that is not demanding for a business compounding earnings above 30%.

Why the Capex Cycle Has Bears Digging In

Free cash flow fell to $66.99 billion for fiscal 2026, down 6.46%, with Q4 free cash flow dropping 23.2%. Calendar 2026 capex expectations translate to roughly $175 billion, and FY27 capex will grow again. Cash and equivalents fell 30.78% to $20.94 billion. All of that spend has to be powered, cooled, and networked by somebody, which is why we pulled together seven suppliers behind the AI buildout in a free report.

MSFT sold off after the January earnings report despite beating estimates, with filing-day prices falling from $517.85 to $395.50 across fiscal 2026. Rising OpenAI equity-method losses, a -4% More Personal Computing segment, and a P/FCF of 55 give the bear case real teeth if AI ROI slips.

Why Some Investors Argue for Patience

The hold case: Azure growth is already baked in and capex overhang could persist for several quarters. Q2 FY26 EPS estimates saw 17 downward revisions against 8 upward. With shares up just 2.75% year to date, waiting for one clean quarter pairing capex deceleration with continued Azure strength has merit.

What the Numbers Say Right Now

MSFT trades at $493.78 against a consensus analyst target of $572.92, implying roughly 16% upside. Targets are one data point among many. The rating mix is 52 buy-equivalent calls versus 3 holds and no sells.

Valuation is reasonable: trailing P/E of 27, forward P/E of 25, operating margin of 46.78%, and ROIC of 22.01%. FY27 consensus EPS sits at $19.75 on revenue of roughly $391 billion.

MSFT is up 2.75% year to date and down 2.08% over the past year, while the S&P 500 has returned 11.7% YTD and 15.01% over one year. That underperformance is the setup.

Why the Underperformance Looks Like an Opportunity

At $493.78, the setup for Microsoft warrants a closer look. Here is why.

If Azure delivers the guided ~45% constant-currency growth in Q1 FY27 and Intelligent Cloud lands in the $40.95 to $41.25 billion range, the market's fear that hyperscale demand is peaking gets falsified. A $678 billion backlog with weighted-average duration of 2.3 years is a contracted revenue stream, and 30% of it converts within 12 months.

MSFT has lagged the S&P 500 by roughly 900 basis points YTD despite five straight EPS beats and Azure growth accelerating into year-end. Forward P/E of 25 for a business compounding operating income at 20.78% is the cheapest this stock has looked relative to its growth in years. Amy Hood emphasized that CPUs and GPUs are short-lived assets Microsoft can throttle if demand softens, and management expects to remain free cash flow positive in FY27.

What invalidates the thesis: an Azure print that misses the mid-40s bar, a capex figure that pushes materially above the ~$175 billion calendar-2026 mark without matching revenue conversion, or evidence that Copilot seat growth is stalling below the 30 million level. Watch RPO ex-OpenAI, which grew 25% last quarter, as the cleanest signal that enterprise demand is broad-based.

Bulls see a market-leading AI franchise trading at a discount to the S&P 500's year-to-date return, with a contracted backlog that underwrites the next 24 months of growth and a management team that has already shown it can flex spending. That is the case the bulls will make at this price.

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