Nasdaq · QUBT · stock

Quantum Computing Inc. (QUBT) stock price history

Every Nasdaq trading session of Quantum Computing Inc. from Feb 1, 2007 to Sep 28, 2026: 4,945 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

QUBT adjusted close, 2007 to 2026

QUBTQuantum Computing Inc.
$8.57-57.5% over one year
2010201520202025
$5,000
All time high, 2007
$25.84
52 week high, $6.18 low
4,945
Daily sessions since 2007

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.

QUBT key facts

  • Quantum Computing Inc. (QUBT) closed at $8.57 on Sep 28, 2026 on Nasdaq.
  • QUBT's all time high close is $5,000, set on Mar 15, 2007; its all time low close is $0.0150 on Jul 3, 2018.
  • QUBT's 52 week range is $6.18 to $25.84.
  • QUBT returned -57.5% over the year to Sep 28, 2026 and +27.3% over five years.
  • Over ten years QUBT returned +4,185%, +45.6% a year compounded.
  • QUBT's deepest drawdown was -100.0% from Aug 28, 2007 to Jul 3, 2018.
  • DataCedar holds 4,945 daily sessions of QUBT history from Feb 1, 2007 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

QUBT price chart, 2007 to 2026

QUBT adjusted close, Feb 1, 2007 to Sep 28, 2026$0.2000$5.85$171.00$5,0002010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

QUBT returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+5.2%
3 months-6.6%
6 months+28.7%
Year to date-17.6%
1 year-57.5%
3 years+686.2%
5 years+27.3%
10 years+4,185%
Since Feb 1, 2007-99.8%
Compound annual growth, 19.7 years-26.9%

QUBT records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$5,000 on Mar 15, 2007
All time low close
$0.0150 on Jul 3, 2018
52 week high
$25.84 on Oct 3, 2025
52 week low
$6.18 on Mar 30, 2026
Deepest drawdown
-100.0% from Aug 28, 2007 to Jul 3, 2018, not yet recovered
Best single session
+3,900% on May 6, 2008
Worst single session
-99.5% on Jul 3, 2018
Volatility, 1 year annualised
93.8%
Sessions closing higher, 1 year
47%
Best calendar year
2024, +1,713%
Worst calendar year
2010, -98%

QUBT price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2007 starts on Feb 1, 2007; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$10.55$14.45$6.18$8.57-16.5%2.6B185
2025$16.69$25.84$4.37$10.26-38.0%6.7B250
2024$0.9290$27.15$0.3550$16.55+1,713%2.6B252
2023$1.57$3.49$0.6340$0.9130-39.5%288.6M250
2022$3.48$4.40$1.42$1.51-55.7%52.1M251
2021$15.15$17.00$3.24$3.41-75.8%96.3M252
2020$2.95$25.07$0.7800$14.11+370.3%14.7M253
2019$3.00$7.50$2.20$3.000.0%151K252
2018$0.8000$39.60$0.0150$3.00+275.0%138.9K251
2017$0.2000$1.20$0.2000$0.8000+300.0%50.2K251
2016$0.2000$0.2000$0.2000$0.20000.0%10.8K252
2015$0.2000$0.6000$0.2000$0.20000.0%8.4K252
2014$1.20$2.60$0.2000$0.2000-83.3%27K252
2013$0.6000$7.00$0.6000$1.20+100.0%30.9K252
2012$1.80$8.00$0.6000$0.6000-50.0%11.1K250
2011$4.40$43.60$1.20$1.20-72.7%70K252
2010$190.00$240.00$4.00$4.40-97.6%53.7K252
2009$280.00$500.00$150.00$184.00-31.9%16.7K252
2008$20.00$800.00$20.00$270.00+1,250%4.7K253
2007$4,000$5,000$20.00$20.00n/a19231

QUBT monthly closes, last 12 months

MonthMonth end closeChange
September 2026$8.57+4.1%
August 2026$8.23+1.6%
July 2026$8.10-16.5%
June 2026$9.70-18.9%
May 2026$11.96+32.6%
April 2026$9.02+31.7%
March 2026$6.85-18.5%
February 2026$8.41-9.3%
January 2026$9.27-9.6%
December 2025$10.26-12.3%
November 2025$11.70-30.0%
October 2025$16.71-9.2%

About the QUBT data

Daily bars. 4,945 sessions from Feb 1, 2007 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 25, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 1, 2007, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/QUBT/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

QUBT share price history

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