Quantum Computing Inc (QUBT)
Quantum Computing stock today
Quantum Computing closed at $6.60 on October 30, 2026, down 3.23% on the day. Over the past year it returned -55.9% with dividends reinvested, against +12.4% for the S&P 500. Its market value is $1.49 billion.
| Period | QUBT | S&P 500 (SPY) |
|---|---|---|
| 1 month | -21.9% | -0.9% |
| 3 months | -17.7% | +2.1% |
| Year to date | -35.7% | +11.7% |
| 1 year | -55.9% | +12.4% |
| 3 years | +892.3% | +88.5% |
| 5 years | +5.6% | +76.0% |
Key statistics
- Market value
- $1.49B
- Price / sales
- 151.6
- 52-week range
- $6.31 to $16.71
- Next report
- Nov 9, 2026
About Quantum Computing
Quantum computing hardware and software company.
Sector: Information Technology
More on Quantum Computing
- Financials: revenue, earnings and segmentsRevenue +83% in the year to Dec 2025
- Returns: what $1,000 became$1,000 five years ago is $1,056 today
No forecast, no recommendation. This page describes Quantum Computing Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.