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IREN (NasdaqGS:IREN) Stock Looks Overvalued While Its Growth Story Stays Strong

Simply Wall St·09/09/2026 00:25:38
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IREN has logged a very large three year gain while the broad valuation checks currently flag the stock as expensive rather than a clear bargain. After that kind of move, the question for you is whether recent excitement around AI compute and data center build out justifies paying up for IREN at today’s levels.

  • The share price return over three years is very large, which puts extra focus on whether current expectations already embed a lot of future growth in AI computing demand.
  • Fresh financing to fund NVIDIA GPU infrastructure can support IREN’s expansion plans, while the added leverage and capital spending needs may increase sensitivity to any delay in expected cash flows.
  • The value checks indicate IREN is not screening as a bargain on any of the main methods, so the stock appears expensive rather than obviously cheap.

The issue now is whether IREN’s current valuation leaves enough room for error if AI infrastructure demand or execution on these expansion plans turns out to be less favorable than the market is pricing in.

Seize the momentum in AI infrastructure by comparing IREN’s run with a curated list of 55 AI infrastructure stocks.

Is IREN Getting Expensive on Sales?

P/S fits IREN because the market is clearly focusing on revenue potential rather than current free cash flow or earnings.

On this lens, the numbers are punchy. IREN trades at a P/S of about 26.2x, versus roughly 4.0x for the wider Software industry and about 16.1x for closer peers. The fair P/S ratio implied by the model is 15.9x, which already incorporates the growth profile, margin structure and risk level. That means the current sales multiple sits well above what this framework suggests for the business.

Fresh headlines around IREN’s NVIDIA partnership and the large GPU expansion plan help explain why enthusiasm is so strong, yet the price investors are paying for each dollar of revenue has moved far ahead of the modelled fair level.

On a P/S basis, IREN stock currently screens as overvalued, with the market paying a rich premium to both peers and the tailored fair multiple.

NasdaqGS:IREN P/S Ratio as at Sep 2026
NasdaqGS:IREN P/S Ratio as at Sep 2026

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

The IREN Narrative: What Would Justify Today's Price?

IREN Narratives on Simply Wall St’s Community page pick up where the P/S puzzle leaves off and explain which combinations of future growth, profitability and earnings power would need to occur for the stock to be worth materially more or materially less than today’s price. Rather than providing a single output from one ratio or model, they break down the specific future path that number relies on, so you can monitor over time whether those assumptions still align with reality.

Community narratives around IREN could hardly be further apart, with one camp treating it as a high conviction AI infrastructure build out and the other framing it as an execution heavy pivot that still has plenty to prove.

Bull case: 34% undervalued

"I watched IREN's management execute relentlessly, moving light-years ahead of its mining competitors, many of them have only woken up to the AI transition in the last few months…"

Read the full Bull Case to see why IREN could be undervalued

Bear case: 6% overvalued

"This deal IREN + Mirantis is a high-risk, high-reward move up the stack bet…"

Read the full Bear Case to see why IREN could be overvalued

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

The Bottom Line

On the current numbers, IREN screens as overvalued, with the market-multiple view pointing to a rich price for its revenue base compared with both peers and a tailored fair ratio. The value checks echo that message, since none of the core methods flag the stock as attractively priced. Everything now hinges on whether IREN converts its AI infrastructure build out into durable, high quality revenue quickly enough to justify that premium. If that ramp stalls or proves more uneven than bulls expect, the gap between the present valuation and the underlying business could become significantly more important than it is today.

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.