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Arqit Quantum Inc. (ARQQ)
NASDAQ: ARQQ · Real-Time Price · USD
14.09
-0.49 (-3.36%)
At close: Apr 28, 2026, 4:00 PM EDT
14.19
+0.10 (0.71%)
After-hours: Apr 28, 2026, 7:56 PM EDT

Arqit Quantum Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202614.3814.4613.8914.0914.09-3.36%186,565
Apr 27, 202614.3915.0014.2514.5814.580.34%222,933
Apr 24, 202614.5514.8613.7014.5314.530.55%314,436
Apr 23, 202615.4015.5014.1414.4514.45-8.31%331,612
Apr 22, 202615.4816.1915.2715.7615.766.13%354,938
Apr 21, 202616.1916.9014.8014.8514.85-8.05%619,578
Apr 20, 202615.4316.3915.4016.1516.150.75%484,500
Apr 17, 202616.2616.7415.8616.0316.031.65%740,442
Apr 16, 202617.6117.7015.5815.7715.77-2.83%1,100,526
Apr 15, 202615.2516.6015.0116.2316.2316.18%1,199,128
Apr 14, 202613.6514.6713.6513.9713.975.51%381,395
Apr 13, 202612.3013.3511.9113.2413.245.67%202,391
Apr 10, 202612.4912.8512.4012.5312.530.72%99,310
Apr 9, 202612.7312.9912.3612.4412.44-3.27%160,464
Apr 8, 202613.7613.9712.6112.8612.862.47%189,556
Apr 7, 202613.0013.1412.2112.5512.55-5.78%147,158
Apr 6, 202613.7614.2513.1713.3213.32-4.65%153,581
Apr 2, 202612.7413.9912.3113.9713.972.80%188,613
Apr 1, 202613.7014.2813.2513.5913.592.57%210,903
Mar 31, 202612.0113.3212.0113.2513.2511.34%254,994
Mar 30, 202611.9112.1811.5211.9011.901.02%173,111
Mar 27, 202612.5812.5811.5911.7811.78-7.75%206,140
Mar 26, 202613.1913.5812.7412.7712.77-6.24%139,731
Mar 25, 202613.9414.3713.3513.6213.620.37%124,312
Mar 24, 202614.2114.3813.5413.5713.57-5.63%147,014
Mar 23, 202613.5514.5013.2014.3814.385.74%221,580
Mar 20, 202613.7014.1513.1613.6013.60-1.95%204,404
Mar 19, 202613.4414.0012.9113.8713.871.76%216,950
Mar 18, 202614.0014.4013.6013.6313.63-3.74%147,208
Mar 17, 202613.9714.6013.8814.1614.161.18%154,993
Mar 16, 202613.9714.3313.6314.0014.002.68%129,464
Mar 13, 202614.2014.7513.6113.6313.63-2.99%171,884
Mar 12, 202614.5114.8614.0414.0514.05-4.75%132,458
Mar 11, 202615.2615.5414.4214.7514.75-2.25%261,731
Mar 10, 202615.7215.8415.0015.0915.09-2.52%247,383
Mar 9, 202615.0715.5714.6815.4815.480.45%285,513
Mar 6, 202615.7016.3315.3615.4115.41-3.20%183,024
Mar 5, 202616.2416.7315.6915.9215.92-4.44%186,015
Mar 4, 202616.2016.7516.0116.6616.664.58%142,574
Mar 3, 202615.9816.3115.3115.9315.93-5.52%150,380
Mar 2, 202615.7216.9315.4316.8616.862.43%183,724
Feb 27, 202616.5516.6316.0116.4616.46-5.73%247,292
Feb 26, 202617.2717.8116.8417.4617.463.68%327,841
Feb 25, 202617.1017.5416.7116.8416.842.75%253,223
Feb 24, 202615.2616.5015.2616.3916.397.09%231,939
Feb 23, 202615.5515.6715.0215.3115.31-3.44%178,058
Feb 20, 202616.6317.0015.7515.8515.85-5.71%379,210
Feb 19, 202616.0016.8715.8216.8116.813.38%153,323
Feb 18, 202616.4517.0415.8516.2616.26-1.63%149,494
Feb 17, 202616.9016.9016.0616.5316.53-2.76%157,797
Feb 13, 202617.1617.4516.4017.0017.001.31%134,333
Feb 12, 202617.3217.3315.8916.7816.78-3.12%253,920
Feb 11, 202617.7717.8916.5917.3217.32-1.37%234,906
Feb 10, 202618.3118.6017.5017.5617.56-5.08%223,851
Feb 9, 202618.8719.0918.1118.5018.50-0.48%292,943
Feb 6, 202616.8919.2116.8118.5918.5915.32%462,403
Feb 5, 202617.4818.1416.0016.1216.12-12.01%365,541
Feb 4, 202619.7619.7717.6018.3218.32-7.43%343,565
Feb 3, 202620.2420.5818.5419.7919.79-1.88%335,688
Feb 2, 202620.0220.9219.5120.1720.17-0.74%289,515
Jan 30, 202621.6422.0420.0020.3220.32-8.76%323,965
Jan 29, 202622.9322.9321.5122.2722.27-3.55%280,690
Jan 28, 202623.9624.0022.6623.0923.09-0.94%266,308
Jan 27, 202622.9423.9522.6623.3123.310.17%246,542
Jan 26, 202624.5424.8222.9123.2723.27-3.84%215,872
Jan 23, 202625.3125.3123.9124.2024.20-4.54%177,655
Jan 22, 202625.3526.1025.0025.3525.351.56%262,622
Jan 21, 202625.2826.3723.2224.9624.96-0.76%247,956
Jan 20, 202624.5626.5024.0025.1525.15-5.45%312,796
Jan 16, 202626.8827.7726.3526.6026.60-1.37%200,826
Jan 15, 202626.6128.1526.1226.9726.971.35%283,246
Jan 14, 202626.0626.8525.2726.6126.611.64%315,381
Jan 13, 202626.7027.1624.6726.1826.18-1.58%441,033
Jan 12, 202626.1527.0025.2326.6026.60-1.00%289,821
Jan 9, 202627.8028.1726.5626.8726.87-1.50%346,619
Jan 8, 202627.0027.6726.5527.2827.281.04%180,882
Jan 7, 202627.4027.7326.6827.0027.00-2.28%168,634
Jan 6, 202628.2928.6426.5027.6327.63-0.90%346,682
Jan 5, 202625.1529.2025.1527.8827.8813.61%640,487
Jan 2, 202622.7824.7321.6024.5424.5412.16%391,520
Dec 31, 202521.8522.2521.4321.8821.88-0.27%327,593
Dec 30, 202521.7222.4621.6921.9421.941.01%319,577
Dec 29, 202522.1523.2521.6321.7221.72-4.78%407,553
Dec 26, 202524.9424.9422.7222.8122.81-9.81%425,252
Dec 24, 202525.0725.3824.2725.2925.29-0.12%204,529
Dec 23, 202525.8926.0624.7025.3225.32-4.42%288,437
Dec 22, 202526.0028.0925.8026.4926.493.92%389,088
Dec 19, 202523.9926.2323.9925.4925.496.52%537,389
Dec 18, 202523.1625.0023.1423.9323.936.54%326,207
Dec 17, 202525.0225.7322.3822.4622.46-9.18%420,516
Dec 16, 202524.0125.1923.6524.7324.731.56%352,473
Dec 15, 202528.1628.3324.1524.3524.35-14.11%613,170
Dec 12, 202528.9830.4527.6528.3528.35-4.55%362,647
Dec 11, 202527.8829.9827.5029.7029.702.52%212,273
Dec 10, 202529.8329.8828.3028.9728.97-2.23%224,811
Dec 9, 202528.0730.0027.0429.6329.63-359,968
Dec 8, 202530.3830.3828.1229.6329.63-2.63%395,909
Dec 5, 202531.2831.7529.5230.4330.43-3.40%342,382
Dec 4, 202529.8231.6928.9031.5031.506.64%656,219
Dec 3, 202527.9630.0826.6929.5429.547.11%245,634