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Onsemi (ON) Stock Stays Close To Fair Value On AI Power Push

Simply Wall St·09/30/2026 00:21:50
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ON Semiconductor has ridden a strong five year share price run while pitching a bigger role in AI data centers and electric vehicles, which puts a spotlight on whether the current US$75.95 price lines up with the cash the business can realistically generate. With fresh product announcements and mixed investor reaction in recent months, the key issue now is how those expectations stack up against an intrinsic value estimate based on its cash flows.

  • Over the past 5 years the stock has returned 66.4%. This raises the question of how much future cash flow strength is already embedded in the price.
  • onsemi's new Embedded Power Platform and push into AI data centers and EV power systems can reshape expectations for long term margins and the timing of future cash flows, especially if higher power density translates into more content per system.
  • What if you looked at ON Semiconductor through its earnings instead? See why ON Semiconductor's 46.9x P/E tells a different valuation story.

The issue now is whether that recent share performance and product roadmap leave ON Semiconductor trading at a level that its Discounted Cash Flow (DCF) based intrinsic value can fully support.

If you are weighing ON Semiconductor's AI and EV cash flow story, it can help to line it up against other power and infrastructure plays using our 88 AI infrastructure stocks.

Where Does ON Semiconductor Sit on Cash Flow?

The Discounted Cash Flow (DCF) model here takes ON Semiconductor's projected free cash flows and discounts them back to today. The latest twelve month Free Cash Flow sits at about $1.10b, and the forecast path points to growing cash generation by 2030, with the 2 stage Free Cash Flow to Equity setup assuming that pace eases back after the first decade.

Those rising cash flow estimates leave the DCF based intrinsic value broadly in line with the current $75.95 share price, which suggests the market is already factoring in an AI and EV opportunity. Because the Embedded Power Platform aims to push more power density into AI racks and EV systems, the recent Investor Day reveal and share price drop help explain why expectations and the valuation are now closely connected. You can see how this intrinsic value view compares with other methods, and how sensitive it is to the cash flow path, in the full model output. Find out what ON Semiconductor could be worth using our Discounted Cash Flow (DCF) estimate.

The ON Semiconductor Narrative: What Would Justify Today's Price?

Simply Wall St Narratives pick up where the DCF puzzle for ON Semiconductor leaves off, by laying out the specific paths for growth, margins and earnings that would need to play out for the share price to sit meaningfully above or below where it trades today on the Community page. Instead of giving just a single valuation output, Narratives set out the future that number leans on so you can check over time whether ON Semiconductor's actual progress matches that story.

ON Semiconductor’s community views are split between those who see more upside from AI and EV power exposure and those who think expectations already look full.

Bull case: 29% undervalued

"The company's strategic investments in silicon carbide (SiC), wide bandgap technologies, and advanced power management solutions for both automotive and AI data centers position it at the forefront of key structural growth markets..."

Discover why this Narrative puts ON Semiconductor at 29% undervalued.

Bear case: roughly fairly valued

"Intensifying competition and potential overcapacity in power management and silicon carbide products threaten to erode prices and result in higher inventory levels, making it more difficult for ON Semiconductor to achieve sustained revenue growth and jeopardizing margin expansion targets..."

Explore why this Narrative puts ON Semiconductor at roughly fairly valued.

Before acting on ON Semiconductor's valuation, look at who is steering the ship

ON Semiconductor's long term outcome does not only hinge on cash flows and end markets. It also depends on who is making the big calls and how their pay nudges those decisions. See who runs ON Semiconductor and how they are paid.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.