Best Quantum Stocks to Buy – October 2026
Listed quantum-computing companies, ranked by Stocklytics Score.
| Rank | Company | Price | Day % | 7D % | Market cap | P/E | FV upside | Div Yield | Stocklytics Score | AI Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | $11.49 | — | -10.05% | $3.84B | — | — | — | — | ||
| 2 | $6.51 | — | +1.40% | $1.47B | — | — | — | — | ||
| 3 | $11.63 | — | -1.27% | $4.38B | — | — | — | — | ||
| 4 | $3.92 | — | -2.24% | $2.43B | — | — | — | — | ||
| 5 | $10.40 | — | +0.19% | $118.63M | 57.68 | — | — | — | ||
| 6 | $19.14 | — | — | $754.11M | — | — | — | — | — | |
| 7 | $1.45 | — | — | $288.55M | — | — | — | — | — |
How this list is chosen
- The name or industry says quantum, or the ticker is a listed quantum company (IONQ, RGTI, QBTS, QUBT, ARQQ, QMCO).
- Market cap at least $50.00M.
- Ranked by Stocklytics Score, highest first. Ties break on market cap.
Questions
How is the quantum stocks list chosen?
A name is included when the company or industry says quantum, or when the ticker is IONQ, RGTI, QBTS, QUBT, ARQQ, or QMCO. Market cap is at least $50 million. Stocklytics Score ranks them.
Does the quantum stocks list update?
Yes. Prices, yields, and the Stocklytics Score refresh with the daily market tape. The month in the title changes on its own.
Is this quantum stocks list a buy recommendation?
No. It is a ranked screen of current data. It is not a forecast, a target price, or personal advice.
What is the Stocklytics Score?
A 0–100 score that compares value, growth, and quality with the US market. The AI Score is a separate, signed-in figure.
Why is the list short?
Few US listings are quantum companies. A large technology firm that mentions the word in a footnote is not added unless the name or industry says so.