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ON Semiconductor (ON) Stock Looks Fairly Valued As Its 58% Run Continues

Simply Wall St·09/12/2026 09:19:30
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ON Semiconductor has delivered a strong 1 year gain, yet the valuation signals are pulling in different directions, with the intrinsic value estimate sitting close to the current share price while market multiples lean rich. With tariffs back in the headlines and policy tied to where chips are built, the question is whether the recent run in ON Semiconductor now prices in too much optimism or roughly matches its cash flow outlook.

  • Over the past year, ON Semiconductor is up 57.8%, which puts recent returns well ahead of many investors’ initial expectations and raises the bar for what counts as good value.
  • Potential tariff relief for companies expanding US manufacturing can support long term cash generation for ON Semiconductor, while the risk that broader semiconductor tariffs increase input costs or dent demand may weigh on what investors are willing to pay today.
  • The broader checks paint a mixed picture rather than a clear bargain or clear overvaluation for ON Semiconductor, with a value score of 3 and a Discounted Cash Flow (DCF) view that is only 0.3% above the current market level, while multiples screen as expensive.

The issue now is whether ON Semiconductor’s current share price leaves enough room between market expectations and intrinsic value to justify taking valuation risk at today’s levels.

Spot opportunities beyond ON Semiconductor’s tariff story by scanning vetted chip and manufacturing plays through 39 power grid technology and infrastructure stocks.

Is ON Semiconductor Fairly Priced on Cash Flow?

The Discounted Cash Flow (DCF) model values ON Semiconductor by projecting its future cash generation and discounting it back to today. ON Semiconductor is currently producing about $1.1b of free cash flow over the latest twelve months, and the model assumes that this cash stream continues to grow rather than shrink over the coming decade. On those projections, the DCF points to an intrinsic value of about $76 per share.

That estimate sits only 0.3% above the current market price, which puts ON Semiconductor roughly in line with what its cash flows support rather than flashing a clear bargain. The Trump administration’s work on a semiconductor tariff framework, with potential relief linked to US production, is cited as a factor that helps explain why investors are already pricing in a substantial amount of future cash generation.

On balance, the Discounted Cash Flow view suggests ON Semiconductor appears roughly fairly valued at today’s share price.

ON Semiconductor is fairly valued according to our Discounted Cash Flow (DCF), but this can change at a moment's notice. Track the value in your watchlist or portfolio and be alerted on when to act.

ON Discounted Cash Flow as at Sep 2026
ON Discounted Cash Flow as at Sep 2026

Head to the Valuation section of our Company Report for more details on how we arrive at this Fair Value for ON Semiconductor.

Does ON Semiconductor Look Pricey on Earnings?

P/E is a useful metric for ON Semiconductor because earnings are a key focus for chip makers that are already profitable. ON Semiconductor trades on a P/E of about 47.0x, which is close to the wider semiconductor sector at roughly 47.9x. Against a peer set average of 91.3x, the stock does not screen as stretched on a simple relative basis.

The more tailored fair P/E ratio for ON Semiconductor is 37.9x, based on its specific mix of growth assumptions, profitability profile, size and risk. That is a sizable gap to the current 47.0x, which indicates that investors are paying a higher price for each dollar of earnings than this framework supports.

On this earnings multiple, ON Semiconductor appears overvalued compared with what the fair P/E would imply.

NasdaqGS:ON P/E Ratio as at Sep 2026
NasdaqGS:ON P/E Ratio as at Sep 2026

See what the numbers say about this price — find out in our valuation breakdown.

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

ON Semiconductor’s valuation story only really comes together once the underlying assumptions are put on the table. Simply Wall St Narratives on the Community page spell out the specific paths for growth, margins and earnings that would need to play out for ON Semiconductor’s share price to sit materially above or below where it trades now. Each narrative links a fair value to a clear set of potential catalysts and risks, so you can track which version of events is unfolding over time.

One of the top community narratives on ON Semiconductor: 29% undervalued

"Ongoing portfolio rationalization phasing out legacy and non-core products, and reallocating resources towards higher-margin, differentiated offerings should improve product mix and boost average margins..."

Read one of the top narratives on ON Semiconductor

Do you think there's more to the story for ON Semiconductor? Head over to our Community to see what others are saying!

The Bottom Line

ON Semiconductor now sits in a zone where the Discounted Cash Flow (DCF) work points to intrinsic value that is very close to the current share price, while the earnings multiple screens as overvalued. That split comes down to what you trust more: the cash generation profile or the rich P/E that leans on strong sentiment and peer comparisons. For investors, the key question from here is whether ON Semiconductor can sustain the earnings power that justifies a premium multiple, or whether the valuation gradually drifts back toward what its underlying cash flows already support.

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.