Quantum Computing stock performance snapshot
Quantum Computing (QUBT) has been volatile, with the share price closing at $6.60 on 29 October 2026. Over the past month the stock declined 19.3%, and over the past 3 months it fell 28.5%.
Momentum for Quantum Computing looks weak at the current US$6.60 share price, with a 1-day share price return that declined 3.23% and a year-to-date share price return down 40.05%, even though the 3-year total shareholder return remains very large at about 7 times.
Scan beyond Quantum Computing and size up hand-picked peers in this space with the 25 quantum computing stocks.
After a sharp slide and a wide gap to analyst price targets, Quantum Computing now trades far below where many models cluster fair value. The real task is working out how much of that spread is justified by fundamentals.
Most Popular Narrative: 64% Undervalued
Quantum Computing closed at $6.60, while the most widely followed narrative now anchors fair value around $18.33. The gap between price and modelled worth is wide and depends heavily on aggressive growth and margin assumptions.
The move from prototype systems to planned volume manufacturing by the end of the decade, supported by over $1.5 billion of newly raised capital and a low liability balance, allows QCi to invest aggressively in automation, yield improvement and design reuse. These efforts should help reduce unit costs and support sustained improvement in gross margin and earnings power.
See why 76 investors see Quantum Computing as 64% undervalued.
Result: Fair Value of $18.33 (UNDERVALUED)
Still, this narrative relies on very large projected revenue growth from a small base and much thinner profit margins, so any stumble in adoption or cost control could significantly affect expectations.
Find out about the key risks to this Quantum Computing narrative.
Next Steps
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