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IBM (IBM) Stock May Be 18% Below Fair Value Despite Fresh AI Inference News

Simply Wall St·10/28/2026 01:18:16
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International Business Machines has climbed sharply over the past few years, and with the stock recently changing hands at around US$250, the question is whether that price still lines up with the cash the business can produce. Fresh headlines around IBM's push into AI infrastructure and security add another layer, since those efforts can reshape how and when investors expect that cash to show up.

  • Over the past 5 years, International Business Machines has delivered a share price gain of 151.4%. That puts real weight on whether that past run is fully backed by its future cash generation.
  • New AI focused projects such as the llm-d 1.0 inference platform and expanded governance tools for enterprise AI agents may support expectations for steadier software-like cash flows, which matters for any valuation grounded in the stream of cash coming back to shareholders.
  • Prefer to judge International Business Machines on earnings? See what International Business Machines's 21.2x P/E says about the price.

The issue now is whether IBM's current share price is adequately supported by its expected cash flows when valued using a Discounted Cash Flow (DCF) view.

If you want to test the same cash flow question you are asking of International Business Machines across a wider set of AI focused infrastructure plays, start with 55 AI infrastructure stocks.

Does International Business Machines Look Undervalued on Cash Flow?

The Discounted Cash Flow (DCF) approach here projects the cash that International Business Machines could return to shareholders and brings those future dollars back into today’s terms. On this model, IBM is treated as a mature cash generator, with latest twelve month free cash flow of about $14.0b and analyst forecasts pointing to growing free cash flows through the next decade rather than sharp swings.

The projections assume IBM can keep lifting free cash flow from current levels into the 2030s, which fits a business leaning harder into software, AI infrastructure and security tooling. That profile, when discounted back and compared with today’s share price of $250.25, leads to an estimated intrinsic value meaningfully above where the stock currently trades. Because the launch of the llm-d 1.0 inference platform leans into scaled, cost focused AI workloads, the market may still be underestimating how durable those cash streams could be relative to what the DCF implies. Find out what International Business Machines could be worth using our Discounted Cash Flow (DCF) estimate.

The International Business Machines Narrative: What Would Justify Today's Price?

Simply Wall St Narratives take that valuation puzzle for International Business Machines and spell out which paths for growth, margins and earnings would need to play out for the shares to be worth materially more or materially less than today’s price, all mapped directly on the Community page.

Where a single ratio or model gives you one headline figure, Narratives unpack the future that number quietly assumes so you can watch how International Business Machines' actual progress stacks up against those expectations over time.

Community views on International Business Machines split between holders who see the current price as broadly justified and others who think expectations run too far ahead of delivery.

Bull case: roughly fairly valued

"IBM's focused strategy on hybrid cloud and AI remains central as software reaches nearly 45% of total revenue and about 80% of that software revenue is recurring..."

Discover why this Narrative puts International Business Machines at roughly fairly valued.

Bear case: 50% overvalued

"The main risk is execution, IBM still needs to convert these partnerships and AI investments into sustained revenue growth and stronger cash generation..."

Explore why this Narrative puts International Business Machines at 50% overvalued.

One more angle on International Business Machines that could shift the story

International Business Machines does not just come with cash flow projections and AI headlines. Internal checks also flag areas of concern that investors may want to weigh for themselves. Take a closer look at 2 warning signs before settling on a valuation.