Barchart.com
Your browser of choice has not been tested for use with Barchart.com. If you have issues, please download one of the browsers listed here.
Less than $10/month! View ALL results for your Stocks, ETFs and Funds Screeners with Barchart Plus. FREE 30 Day Trial
Menu
Stocks | Futures | Watchlist | News | More
 
or
Watchlist | Portfolio | Dashboard
Site News
Contact
Market:
Faster, Cleaner, Better.
Menu

Quantum Computing Inc (QUBT)

Quantum Computing Inc (QUBT)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] by (Cboe BZX)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] [[ item.lastPriceExt ]] [[ item.priceChangeExt ]] ([[ item.percentChangeExt ]]) [[ item.tradeTimeExt ]]
News & Headlines for [[ item.sessionDateDisplayLong ]]
Notes
Alerts
Watch
Help
Go To:
SHAREHOLDER ALERT: Purcell & Lefkowitz LLP Announces Shareholder Investigation of Quantum Computing Inc. (NASDAQ: QUBT) PR Newswire - Tue Apr 21, 12:30PM CDT

NEW YORK , April 21, 2026 /PRNewswire/ -- Purcell & Lefkowitz LLP announces that it is investigating Quantum Computing Inc. (NASDAQ: QUBT) on behalf of the company's shareholders. The investigation...

QUBT : 9.41 (-4.27%)
QCi Quantum Optimization Machine placed on Quantum Corridor network PR Newswire - Mon Mar 30, 7:30AM CDT

Dirac-3 now live on commercial quantum-ready network that recently proved QKD implementation

QUBT : 9.41 (-4.27%)
Quantum Computing Inc. and Ciena Demonstrate Next-Generation Quantum-Secured Communications with High-Speed Encryption using PQC and QKD at OFC 2026 PR Newswire - Wed Mar 11, 7:30AM CDT

HOBOKEN, N.J. , March 11, 2026 /PRNewswire/ --  Quantum Computing Inc . ("QCi" or the "Company") (Nasdaq: QUBT) an innovative, quantum optics and integrated photonics technology company, and...

QUBT : 9.41 (-4.27%)
CIEN : 505.93 (+0.53%)
Quantum Computing Inc. to Participate in the 2026 Cantor Global Technology & Industrial Growth Conference PR Newswire - Fri Mar 6, 7:30AM CST

HOBOKEN, N.J. , March 6, 2026 /PRNewswire/ -- Quantum Computing Inc.  ("QCi" or the "Company") (Nasdaq: QUBT), an innovative, quantum optics and integrated photonics technology company, today...

QUBT : 9.41 (-4.27%)
Quantum Computing Inc. Completes Acquisition of NuCrypt to Advance Quantum Communications Commercialization PR Newswire - Thu Mar 5, 7:30AM CST

HOBOKEN, N.J. , March 5, 2026 /PRNewswire/ --  Quantum Computing Inc . ("QCi" or the "Company") (Nasdaq: QUBT), an innovative, quantum optics and integrated photonics technology company, today...

QUBT : 9.41 (-4.27%)
Quantum Computing Inc. Reports Fourth Quarter and Year-End 2025 Financial Results PR Newswire - Mon Mar 2, 3:05PM CST

HOBOKEN, N.J. , March 2, 2026 /PRNewswire/ -- Quantum Computing Inc . ("QCi" or the "Company") (Nasdaq: QUBT), an innovative, quantum optics and integrated photonics technology company, today...

QUBT : 9.41 (-4.27%)
Quantum Computing Acceleration is Unlocking New Era of Autonomous Drone Efficiency GlobeNewswire - Thu Feb 26, 8:45AM CST

NEW YORK, Feb. 26, 2026 (GLOBE NEWSWIRE) -- Market News Updates News Commentary - Quantum computing is starting to play a meaningful role in improving how drones operate, especially when it comes to...

QUBT : 9.41 (-4.27%)
QBTS : 20.36 (-6.00%)
ZENA : 2.05 (-0.97%)
IONQ : 46.28 (-4.22%)
RGTI : 18.25 (-7.08%)
Quantum Computing Acceleration is Unlocking New Era of Autonomous Drone Efficiency FinancialNewsMedia - Thu Feb 26, 8:40AM CST

EQNX::TICKER_START (NNASDAQ:ZENA),(NASDAQ:QUBT),(NASDAQ:RGTI),(NYSE:QBTS),(NYSE:IONQ) EQNX::TICKER_END

QUBT : 9.41 (-4.27%)
QBTS : 20.36 (-6.00%)
ZENA : 2.05 (-0.97%)
IONQ : 46.28 (-4.22%)
RGTI : 18.25 (-7.08%)
Quantum Computing Inc. to Host Fourth Quarter And Full Year 2025 Shareholder Call on Monday, March 2, 2026 PR Newswire - Tue Feb 24, 7:30AM CST

HOBOKEN, N.J. , Feb. 24, 2026 /PRNewswire/ -- Quantum Computing Inc . ("QCi" or the "Company") (Nasdaq: QUBT), an innovative, integrated photonics and quantum optics technology company, today...

QUBT : 9.41 (-4.27%)
MarketBeat Week in Review – 02/16 - 02/20 MarketBeat - Sat Feb 21, 6:00AM CST

If investors are waiting for less market volatility, they’ll have to wait a little longer, but the MarketBeat analysts help investors find the opportunities

NFLX : 92.58 (-2.37%)
BLK : 1,042.85 (-0.53%)
NVDA : 199.88 (-1.08%)
GOOGL : 332.29 (-1.52%)
META : 668.84 (-0.31%)
ORCL : 181.17 (+2.02%)
RKLB : 86.64 (-3.15%)
CCJ : 116.61 (-5.67%)
MCD : 301.84 (-1.66%)
AEHR : 93.72 (+3.96%)
QUBT : 9.41 (-4.27%)
TSLA : 386.42 (-1.55%)

Barchart Exclusives

Astera Labs Stock Jumps on Major Amazon-Anthropic Deal. Should You Buy ALAB Here? Barchart - 1 hour ago
Astera stock rallies as Amazon announces a $100 billion partnership expansion with Anthropic. Here’s why this deal is bullish for ALAB shares. Read more
Want to use this as
your default charts setting?
Save this setup as a Chart Templates
Switch the Market flag
for targeted data from your country of choice.
Open the menu and switch the
Market flag for targeted data from your country of choice.
Want Streaming Chart Updates?
Switch your Site Preferences
to use Interactive Charts
Need More Chart Options?
Right-click on the chart to open the Interactive Chart menu.
Use your up/down arrows to move through the symbols.