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D Wave Quantum (QBTS) Stock May Be Fully Priced Despite Strong Book Value Support

Simply Wall St·09/10/2026 20:18:10
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D-Wave Quantum stock combines a very large three year gain with valuation checks that still flag the shares as expensive, which creates a tricky entry point for anyone trying to price the quantum computing story today.

  • The share price has delivered a very large return over the past three years, which means recent buyers are paying up heavily for D-Wave Quantum compared with where it traded in 2023.
  • Fresh CHIPS Act funding can support D-Wave Quantum's development plans, while ongoing legal investigations linked to past disclosures may weigh on how much investors are willing to pay for the equity.
  • The broader valuation scorecard rates D-Wave Quantum as expensive rather than a clear bargain, with only 1 out of 6 checks screening as cheap on standard metrics.

The issue now is whether the current valuation of D-Wave Quantum still gives you enough compensation for the business risk after such a strong multi year run.

Spot emerging quantum and AI momentum beyond D-Wave Quantum by scanning a curated group of 25 quantum computing stocks.

Has D-Wave Quantum Run Too Far on Book Value?

P/B fits D-Wave Quantum reasonably well because this is still a loss making business where book value gives one of the few hard anchors for valuation.

The stock trades on a P/B of about 5.9x, compared with a Software sector average near 3.0x. That is a clear premium to the broader group. Against the peer set used here, where the average sits around 11.8x, D-Wave Quantum screens closer to the middle of the pack, so the headline multiple is not an outlier versus more niche quantum and high risk software plays.

Despite the recent CHIPS Act funding and related equity stake from the U.S. government supporting the balance sheet story, the current P/B still prices D-Wave Quantum as overvalued relative to the wider Software industry.

On the P/B yardstick, D-Wave Quantum stock currently looks overvalued compared with the broader sector.

NasdaqGS:QBTS P/B Ratio as at Sep 2026
NasdaqGS:QBTS P/B Ratio as at Sep 2026

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

The D-Wave Quantum Narrative: What Would Justify Today's Price?

Narratives on Simply Wall St pick up where this valuation puzzle leaves off by spelling out what future growth, profitability and earnings power D-Wave Quantum would need for the stock to be worth materially more or less than today’s market price. Each narrative treats fair value as a working hypothesis about D-Wave Quantum's business that you can track over time, rather than a one off snapshot. These narratives are available on the stock’s Community page.

One of the top community narratives on D-Wave Quantum: 58% undervalued

"Through a massive $550 million acquisition, a record-breaking month of sales, and a newly fortified balance sheet, D-Wave has moved the 'Quantum Era' off the whiteboards and into the executive boardroom."

Read one of the top narratives on D-Wave Quantum

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

The Bottom Line

D-Wave Quantum now screens as overvalued on the main market-multiple checks, even after accounting for its specialist peer group. The recent extreme move in the share price means expectations already bake in a lot of optimism about future execution and commercial adoption. For many investors, the key question is whether the business can progress far enough on revenue traction and profitability to make today’s premium multiples feel routine rather than stretched.

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.