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Arqit Quantum (ARQQ) Stock Chart & Stock Price History

Arqit Quantum logo
$21.98 -2.37 (-9.73%)
Closing price 08/18/2026 04:00 PM Eastern
Extended Trading
$21.98 +0.00 (+0.02%)
As of 04:32 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Arqit Quantum Stock Price Performance

The Arqit Quantum (ARQQ) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 26.68%, with a year-to-date return of 0.46%. In the past month, the stock has increased 26.18%, reflecting recent market activity.

As of the latest close, Arqit Quantum traded at $21.98 with a market cap of $336.07 million and volume of 336,252 shares.

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5 Day
Performance
-9.77%
1 Month
Performance
+26.18%
3 Month
Performance
+80.61%
Year-To-Date
Performance
+0.46%
1 Year
Performance
-26.68%

ARQQ Stock Chart for Wednesday, August, 19, 2026

Arqit Quantum Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/18/2026$24.35$21.98
-9.73%
$23.86$21.80336,252 shs$336.07 million
08/17/2026$24.36$24.35
-0.04%
$24.63$23.30226,660 shs$372.31 million
08/14/2026$23.75$24.36
+2.57%
$24.90$23.30181,655 shs$372.46 million
08/13/2026$23.72$23.75
+0.13%
$24.37$23.02223,493 shs$363.19 million
08/12/2026$24.39$23.72
-2.75%
$24.50$23.15278,439 shs$362.68 million
08/11/2026$22.61$24.39
+7.87%
$24.50$22.58207,620 shs$372.92 million
08/10/2026$22.90$22.61
-1.27%
$23.42$22.04206,297 shs$345.75 million
08/07/2026$21.47$22.90
+6.66%
$23.19$21.51257,265 shs$350.19 million
08/06/2026$20.97$21.47
+2.38%
$22.27$20.22198,679 shs$328.28 million
08/05/2026$21.98$20.97
-4.60%
$21.83$20.01341,442 shs$320.63 million
08/04/2026$18.45$21.98
+19.13%
$22.00$18.90637,039 shs$336.12 million
08/03/2026$17.13$18.45
+7.71%
$18.59$17.13261,452 shs$282.10 million
07/31/2026$17.71$17.13
-3.27%
$18.39$16.82187,032 shs$261.92 million
07/30/2026$15.49$17.71
+14.33%
$17.80$16.04306,186 shs$270.79 million
07/29/2026$17.55$15.49
-11.74%
$18.00$15.42383,046 shs$236.84 million
07/28/2026$18.18$17.55
-3.47%
$18.06$16.66324,397 shs$268.34 million
07/27/2026$16.65$18.18
+9.19%
$18.99$17.17318,733 shs$277.97 million
07/24/2026$18.35$16.65
-9.26%
$18.78$16.63285,096 shs$254.58 million
07/23/2026$18.08$18.35
+1.49%
$19.37$17.19325,118 shs$280.57 million
07/22/2026$17.20$18.08
+5.12%
$19.15$17.19430,023 shs$276.48 million
07/21/2026$17.21$17.20
-0.06%
$18.08$16.61314,039 shs$262.99 million
07/20/2026$17.42$17.21
-1.21%
$17.87$16.85266,728 shs$263.14 million

This page (NASDAQ:ARQQ) was last updated on 8/18/2026 by MarketBeat.com Staff.
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