Quantum Computing (QUBT) closed at $6.56 on October 23, 2026, down 0.5% from the previous close, on volume of 3,863,280 shares (30-day average 6,940,718).
Data as of October 23, 2026.
Quantum Stocks Slide as QNT, IONQ, QBTS Give Back Wednesday’s Gains
TipRanks (Thu, 22-Oct 7:06 AM ET)
Quantum Computing News: QNT Breaks Record, NVDA Hits 104-Qubit Milestone
TipRanks (Thu, 22-Oct 6:47 AM ET)
IONQ, RGTI, QBTS, and QUBT Stocks Rise as AI Trade Rebounds
TipRanks (Wed, 21-Oct 8:22 AM ET)
IonQ, Rigetti, D-Wave Insiders Sold $1 Billion More Than They Bought
TipRanks (Tue, 20-Oct 8:55 AM ET)
Why Are Quantum Stocks RGTI, IONQ, QBTS Falling Again Today?
TipRanks (Tue, 20-Oct 8:27 AM ET)
Quantum Stocks Sink Up to 9% in Tech Selloff. Can They Bounce Back This Week?
TipRanks (Mon, 19-Oct 4:21 AM ET)
QUBT Targets Pharma With Its First Biotech Customer Using the Dirac-3S Quantum Optimization Machine
Market Chameleon (Wed, 14-Oct 4:58 AM ET)
PRNewswire (Wed, 14-Oct 8:31 AM ET)
QUBT Spotlight Turns to Oct. 13 Maxim Growth Summit Meeting Schedule
Market Chameleon (Wed, 7-Oct 6:35 AM ET)
Quantum Computing Inc. to Attend the Maxim Growth Summit 2026
PRNewswire (Tue, 6-Oct 8:30 AM ET)
Quantum Computing Inc is an integrated photonics and non-linear quantum optics company to develop and deliver machines for quantum computing, reservoir computing, and remote sensing, imaging, and cybersecurity applications based on patented and proprietary photonics technology. Its products are designed to operate at room temperature and low power at an affordable cost. The Company's portfolio of core technologies and products offers capabilities in the areas of high-performance computing, artificial intelligence, and cybersecurity, as well as remote sensing applications.
Quantum Computing trades on the NASDAQ stock market under the symbol QUBT.
As of October 23, 2026, QUBT stock price declined to $6.56 with 3,863,280 million shares trading.
QUBT has a beta of 3.08, meaning it tends to be more sensitive to market movements. QUBT has a correlation of 0.25 to the broad based SPY ETF.
QUBT has a market cap of $1.48 billion. This is considered a Small Cap stock.
Last quarter Quantum Computing reported $6 million in Revenue and -$.05 earnings per share. This beat revenue expectation by $489,760 and met earnings estimates .
In the last 3 years, QUBT traded as high as $27.15 and as low as $.35.
The top ETF exchange traded funds that QUBT belongs to (by Net Assets): VTI, QTUM, VGT, IWM, AIQ.
QUBT has underperformed the market in the last year with a price return of -55.9% while the SPY ETF gained +14.9%. QUBT has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -17.1% and -11.9%, respectively, while the SPY returned +1.9% and -1.8%, respectively.
QUBT support price is $6.29 and resistance is $6.89 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that QUBT shares will trade within this expected range on the day.