Arqit Quantum Inc. (ARQQ)
NASDAQ: ARQQ · Real-Time Price · USD
24.62
+0.67 (2.80%)
At close: Oct 2, 2026, 4:00 PM EDT
24.80
+0.18 (0.73%)
After-hours: Oct 2, 2026, 7:30 PM EDT
Arqit Quantum Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 24.30 | 24.93 | 24.08 | 24.62 | 24.62 | 2.80% | 193,947 |
| Oct 1, 2026 | 24.00 | 24.16 | 23.05 | 23.95 | 23.95 | -0.46% | 128,786 |
| Sep 30, 2026 | 24.48 | 25.00 | 23.90 | 24.06 | 24.06 | -0.25% | 148,856 |
| Sep 29, 2026 | 24.86 | 25.10 | 23.80 | 24.12 | 24.12 | -2.11% | 212,149 |
| Sep 28, 2026 | 24.30 | 24.86 | 23.56 | 24.64 | 24.64 | 0.16% | 193,229 |
| Sep 25, 2026 | 23.16 | 24.99 | 22.49 | 24.60 | 24.60 | 6.40% | 367,052 |
| Sep 24, 2026 | 21.94 | 23.61 | 21.70 | 23.12 | 23.12 | 2.57% | 261,796 |
| Sep 23, 2026 | 23.30 | 23.55 | 22.02 | 22.54 | 22.54 | -2.17% | 236,662 |
| Sep 22, 2026 | 23.51 | 24.50 | 22.52 | 23.04 | 23.04 | -2.08% | 363,845 |
| Sep 21, 2026 | 20.55 | 23.68 | 20.53 | 23.53 | 23.53 | 16.89% | 438,503 |
| Sep 18, 2026 | 19.76 | 20.48 | 18.41 | 20.13 | 20.13 | 3.12% | 652,338 |
| Sep 17, 2026 | 19.59 | 19.95 | 19.25 | 19.52 | 19.52 | 2.68% | 245,731 |
| Sep 16, 2026 | 18.21 | 19.33 | 18.08 | 19.01 | 19.01 | 4.05% | 489,385 |
| Sep 15, 2026 | 16.66 | 19.00 | 16.40 | 18.27 | 18.27 | 12.15% | 765,037 |
| Sep 14, 2026 | 19.22 | 19.22 | 16.07 | 16.29 | 16.29 | -18.75% | 1,461,896 |
| Sep 11, 2026 | 20.71 | 20.95 | 20.00 | 20.05 | 20.05 | -2.58% | 123,015 |
| Sep 10, 2026 | 20.70 | 21.71 | 20.55 | 20.58 | 20.58 | -4.90% | 167,169 |
| Sep 9, 2026 | 22.21 | 22.82 | 21.40 | 21.64 | 21.64 | -4.21% | 257,050 |
| Sep 8, 2026 | 22.17 | 23.29 | 22.12 | 22.59 | 22.59 | 5.71% | 257,281 |
| Sep 4, 2026 | 20.85 | 21.40 | 20.23 | 21.37 | 21.37 | 3.64% | 148,880 |
| Sep 3, 2026 | 20.54 | 21.36 | 20.20 | 20.62 | 20.62 | 0.39% | 248,948 |
| Sep 2, 2026 | 18.60 | 21.28 | 18.60 | 20.54 | 20.54 | 8.68% | 664,616 |
| Sep 1, 2026 | 19.25 | 19.65 | 18.74 | 18.90 | 18.90 | -4.93% | 161,102 |
| Aug 31, 2026 | 19.33 | 20.46 | 19.24 | 19.88 | 19.88 | -0.80% | 120,737 |
| Aug 28, 2026 | 21.42 | 21.70 | 19.90 | 20.04 | 20.04 | -6.62% | 200,940 |
| Aug 27, 2026 | 21.05 | 21.95 | 20.85 | 21.46 | 21.46 | 5.40% | 188,354 |
| Aug 26, 2026 | 20.38 | 20.99 | 19.90 | 20.36 | 20.36 | -0.29% | 175,847 |
| Aug 25, 2026 | 20.92 | 21.70 | 20.12 | 20.42 | 20.42 | 1.44% | 190,159 |
| Aug 24, 2026 | 20.75 | 20.75 | 19.25 | 20.13 | 20.13 | -4.78% | 246,238 |
| Aug 21, 2026 | 21.34 | 22.49 | 20.35 | 21.14 | 21.14 | 0.96% | 719,403 |
| Aug 20, 2026 | 21.15 | 21.57 | 20.35 | 20.94 | 20.94 | -2.74% | 152,702 |
| Aug 19, 2026 | 21.50 | 21.88 | 20.75 | 21.53 | 21.53 | -2.05% | 327,508 |
| Aug 18, 2026 | 22.82 | 23.86 | 21.80 | 21.98 | 21.98 | -9.73% | 335,458 |
| Aug 17, 2026 | 24.12 | 24.63 | 23.30 | 24.35 | 24.35 | -0.04% | 225,356 |
| Aug 14, 2026 | 23.47 | 24.90 | 23.30 | 24.36 | 24.36 | 2.57% | 180,799 |
| Aug 13, 2026 | 23.92 | 24.37 | 23.02 | 23.75 | 23.75 | 0.13% | 223,262 |
| Aug 12, 2026 | 24.41 | 24.50 | 23.15 | 23.72 | 23.72 | -2.75% | 277,907 |
| Aug 11, 2026 | 23.09 | 24.50 | 22.58 | 24.39 | 24.39 | 7.87% | 206,530 |
| Aug 10, 2026 | 23.00 | 23.42 | 22.04 | 22.61 | 22.61 | -1.27% | 205,939 |
| Aug 7, 2026 | 21.98 | 23.19 | 21.51 | 22.90 | 22.90 | 6.66% | 255,839 |
| Aug 6, 2026 | 20.69 | 22.27 | 20.22 | 21.47 | 21.47 | 2.38% | 198,501 |
| Aug 5, 2026 | 21.69 | 21.83 | 20.01 | 20.97 | 20.97 | -4.60% | 339,990 |
| Aug 4, 2026 | 19.64 | 22.00 | 18.90 | 21.98 | 21.98 | 19.13% | 631,940 |
| Aug 3, 2026 | 17.46 | 18.59 | 17.14 | 18.45 | 18.45 | 7.71% | 260,631 |
| Jul 31, 2026 | 17.98 | 18.39 | 16.82 | 17.13 | 17.13 | -3.27% | 185,746 |
| Jul 30, 2026 | 16.15 | 17.80 | 16.04 | 17.71 | 17.71 | 14.33% | 303,375 |
| Jul 29, 2026 | 17.42 | 18.00 | 15.42 | 15.49 | 15.49 | -11.74% | 381,278 |
| Jul 28, 2026 | 17.59 | 18.06 | 16.66 | 17.55 | 17.55 | -3.47% | 323,936 |
| Jul 27, 2026 | 17.17 | 18.99 | 17.17 | 18.18 | 18.18 | 9.19% | 318,205 |
| Jul 24, 2026 | 18.48 | 18.78 | 16.63 | 16.65 | 16.65 | -9.26% | 283,898 |