Arqit Quantum Inc. (ARQQ)
NASDAQ: ARQQ · Real-Time Price · USD
20.13
-1.01 (-4.78%)
At close: Aug 24, 2026, 4:00 PM EDT
20.50
+0.37 (1.84%)
Pre-market: Aug 25, 2026, 6:34 AM EDT

Arqit Quantum Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Aug 24, 202620.7520.7519.2520.1320.13-4.78%246,238
Aug 21, 202621.3422.4920.3521.1421.140.96%719,403
Aug 20, 202621.1521.5720.3520.9420.94-2.74%152,702
Aug 19, 202621.5021.8820.7521.5321.53-2.05%327,508
Aug 18, 202622.8223.8621.8021.9821.98-9.73%335,458
Aug 17, 202624.1224.6323.3024.3524.35-0.04%225,356
Aug 14, 202623.4724.9023.3024.3624.362.57%180,799
Aug 13, 202623.9224.3723.0223.7523.750.13%223,262
Aug 12, 202624.4124.5023.1523.7223.72-2.75%277,907
Aug 11, 202623.0924.5022.5824.3924.397.87%206,530
Aug 10, 202623.0023.4222.0422.6122.61-1.27%205,939
Aug 7, 202621.9823.1921.5122.9022.906.66%255,839
Aug 6, 202620.6922.2720.2221.4721.472.38%198,501
Aug 5, 202621.6921.8320.0120.9720.97-4.60%339,990
Aug 4, 202619.6422.0018.9021.9821.9819.13%631,940
Aug 3, 202617.4618.5917.1418.4518.457.71%260,631
Jul 31, 202617.9818.3916.8217.1317.13-3.27%185,746
Jul 30, 202616.1517.8016.0417.7117.7114.33%303,375
Jul 29, 202617.4218.0015.4215.4915.49-11.74%381,278
Jul 28, 202617.5918.0616.6617.5517.55-3.47%323,936
Jul 27, 202617.1718.9917.1718.1818.189.19%318,205
Jul 24, 202618.4818.7816.6316.6516.65-9.26%283,898
Jul 23, 202617.2919.3717.1918.3518.351.49%325,010
Jul 22, 202617.4519.1517.1918.0818.085.12%429,240
Jul 21, 202617.7218.0816.6117.2017.20-0.06%313,036
Jul 20, 202617.3517.8716.8517.2117.21-1.21%266,570
Jul 17, 202616.2918.1416.0617.4217.425.38%349,676
Jul 16, 202617.7018.1316.2416.5316.53-9.42%483,606
Jul 15, 202619.0219.5317.7218.2518.25-2.56%447,074
Jul 14, 202618.2318.9317.9418.7318.733.94%285,373
Jul 13, 202618.6018.8017.4018.0218.02-5.56%541,422
Jul 10, 202620.7021.0018.6019.0819.08-6.79%554,875
Jul 9, 202620.0521.3319.5320.4720.472.09%481,955
Jul 8, 202619.2321.4819.1920.0520.051.06%608,054
Jul 7, 202621.7321.7318.9519.8419.84-10.35%1,093,555
Jul 6, 202624.4624.8221.7722.1322.13-5.89%716,777
Jul 2, 202628.7028.7523.2023.5223.52-18.49%1,129,550
Jul 1, 202629.2630.9828.2928.8528.85-2.93%787,024
Jun 30, 202626.7830.3325.9129.7229.728.82%1,232,666
Jun 29, 202624.8028.5924.0027.3127.3112.57%1,006,671
Jun 26, 202626.5028.1424.1124.2624.26-11.20%698,662
Jun 25, 202626.7429.1525.0427.3227.32-4.61%908,971
Jun 24, 202628.2129.2924.5128.6428.64-1.38%1,709,746
Jun 23, 202621.0529.8921.0529.0429.0435.57%3,270,211
Jun 22, 202623.6224.3920.2921.4221.42-12.14%1,466,823
Jun 18, 202623.3125.7021.0124.3824.387.88%5,673,044
Jun 17, 202619.8924.0919.5022.6022.6013.34%2,777,709
Jun 16, 202617.3820.5317.0019.9419.9411.27%2,305,121
Jun 15, 202614.3718.6314.3717.9217.9231.76%3,048,939
Jun 12, 202613.4914.0713.1713.6013.60-0.66%397,230