Arqit Quantum Inc. (ARQQ)
NASDAQ: ARQQ · Real-Time Price · USD
30.43
-1.07 (-3.40%)
At close: Dec 5, 2025, 4:00 PM EST
30.45
+0.02 (0.07%)
After-hours: Dec 5, 2025, 7:56 PM EST
Arqit Quantum Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 31.28 | 31.75 | 29.52 | 30.43 | 30.43 | -3.40% | 338,965 |
| Dec 4, 2025 | 29.82 | 31.69 | 28.90 | 31.50 | 31.50 | 6.64% | 655,163 |
| Dec 3, 2025 | 27.96 | 30.08 | 26.69 | 29.54 | 29.54 | 7.11% | 239,284 |
| Dec 2, 2025 | 26.60 | 28.38 | 26.40 | 27.58 | 27.58 | 4.39% | 215,855 |
| Dec 1, 2025 | 27.35 | 27.83 | 26.29 | 26.42 | 26.42 | -7.33% | 267,352 |
| Nov 28, 2025 | 28.01 | 28.88 | 27.05 | 28.51 | 28.51 | 3.41% | 205,952 |
| Nov 26, 2025 | 26.94 | 27.90 | 26.40 | 27.57 | 27.57 | 7.11% | 325,488 |
| Nov 25, 2025 | 26.46 | 26.46 | 24.63 | 25.74 | 25.74 | -2.09% | 250,064 |
| Nov 24, 2025 | 24.51 | 26.48 | 24.01 | 26.29 | 26.29 | 7.88% | 348,181 |
| Nov 21, 2025 | 24.55 | 24.76 | 21.59 | 24.37 | 24.37 | 0.41% | 556,218 |
| Nov 20, 2025 | 28.18 | 29.90 | 24.12 | 24.27 | 24.27 | -10.64% | 474,565 |
| Nov 19, 2025 | 27.29 | 28.27 | 26.70 | 27.16 | 27.16 | 2.65% | 468,200 |
| Nov 18, 2025 | 25.53 | 26.90 | 24.60 | 26.46 | 26.46 | 1.93% | 501,223 |
| Nov 17, 2025 | 27.84 | 28.59 | 25.61 | 25.96 | 25.96 | -5.53% | 434,159 |
| Nov 14, 2025 | 25.56 | 29.38 | 25.43 | 27.48 | 27.48 | -0.18% | 917,013 |
| Nov 13, 2025 | 29.25 | 29.69 | 27.30 | 27.53 | 27.53 | -9.20% | 623,048 |
| Nov 12, 2025 | 31.50 | 32.72 | 29.86 | 30.32 | 30.32 | -3.47% | 362,860 |
| Nov 11, 2025 | 30.90 | 32.32 | 30.62 | 31.41 | 31.41 | -2.42% | 345,969 |
| Nov 10, 2025 | 36.16 | 36.50 | 31.85 | 32.19 | 32.19 | -4.88% | 667,822 |
| Nov 7, 2025 | 30.47 | 34.51 | 29.86 | 33.84 | 33.84 | 5.85% | 607,344 |
| Nov 6, 2025 | 34.95 | 35.00 | 31.39 | 31.97 | 31.97 | -6.66% | 508,498 |
| Nov 5, 2025 | 36.54 | 36.87 | 33.60 | 34.25 | 34.25 | -4.89% | 748,745 |
| Nov 4, 2025 | 38.52 | 40.30 | 36.00 | 36.01 | 36.01 | -11.59% | 539,797 |
| Nov 3, 2025 | 43.36 | 43.36 | 38.50 | 40.73 | 40.73 | -6.65% | 699,717 |
| Oct 31, 2025 | 43.34 | 46.20 | 42.44 | 43.63 | 43.63 | 2.93% | 484,228 |
| Oct 30, 2025 | 43.11 | 44.55 | 41.50 | 42.39 | 42.39 | -6.57% | 450,184 |
| Oct 29, 2025 | 43.00 | 46.65 | 41.80 | 45.37 | 45.37 | 5.54% | 653,462 |
| Oct 28, 2025 | 47.01 | 48.00 | 42.00 | 42.99 | 42.99 | -8.61% | 735,609 |
| Oct 27, 2025 | 45.43 | 49.33 | 43.51 | 47.04 | 47.04 | 10.14% | 1,068,231 |
| Oct 24, 2025 | 41.39 | 44.19 | 40.33 | 42.71 | 42.71 | 9.43% | 868,086 |
| Oct 23, 2025 | 38.91 | 39.99 | 36.40 | 39.03 | 39.03 | 11.26% | 930,902 |
| Oct 22, 2025 | 37.59 | 37.79 | 33.60 | 35.08 | 35.08 | -9.00% | 1,123,297 |
| Oct 21, 2025 | 39.00 | 40.54 | 37.80 | 38.55 | 38.55 | -2.55% | 516,041 |
| Oct 20, 2025 | 42.67 | 43.16 | 38.91 | 39.56 | 39.56 | -4.65% | 832,281 |
| Oct 17, 2025 | 40.56 | 41.64 | 37.85 | 41.49 | 41.49 | 4.88% | 1,176,098 |
| Oct 16, 2025 | 53.60 | 53.60 | 38.81 | 39.56 | 39.56 | -26.01% | 3,037,604 |
| Oct 15, 2025 | 60.53 | 61.11 | 50.10 | 53.47 | 53.47 | -8.06% | 1,345,424 |
| Oct 14, 2025 | 57.00 | 60.50 | 53.53 | 58.16 | 58.16 | -0.19% | 884,596 |
| Oct 13, 2025 | 50.86 | 58.80 | 50.85 | 58.27 | 58.27 | 20.09% | 1,238,113 |
| Oct 10, 2025 | 53.88 | 54.35 | 48.00 | 48.52 | 48.52 | -9.95% | 818,905 |
| Oct 9, 2025 | 52.00 | 55.86 | 50.26 | 53.88 | 53.88 | -0.61% | 700,594 |
| Oct 8, 2025 | 56.82 | 62.00 | 50.72 | 54.21 | 54.21 | -1.85% | 1,158,580 |
| Oct 7, 2025 | 56.29 | 59.62 | 52.31 | 55.23 | 55.23 | 2.54% | 1,127,472 |
| Oct 6, 2025 | 50.00 | 54.65 | 47.30 | 53.86 | 53.86 | 7.89% | 1,069,195 |
| Oct 3, 2025 | 50.35 | 52.30 | 47.77 | 49.92 | 49.92 | 2.74% | 1,289,189 |
| Oct 2, 2025 | 41.81 | 48.80 | 41.06 | 48.59 | 48.59 | 17.94% | 1,101,565 |
| Oct 1, 2025 | 37.98 | 41.67 | 37.08 | 41.20 | 41.20 | 6.32% | 573,467 |
| Sep 30, 2025 | 35.06 | 38.98 | 34.76 | 38.75 | 38.75 | 9.77% | 548,015 |
| Sep 29, 2025 | 37.55 | 38.89 | 34.90 | 35.30 | 35.30 | -3.16% | 495,282 |
| Sep 26, 2025 | 38.04 | 39.60 | 36.38 | 36.45 | 36.45 | -5.20% | 592,885 |
| Sep 25, 2025 | 38.14 | 39.83 | 36.80 | 38.45 | 38.45 | -8.71% | 819,453 |
| Sep 24, 2025 | 41.00 | 45.29 | 38.10 | 42.12 | 42.12 | 3.77% | 1,115,759 |
| Sep 23, 2025 | 42.10 | 42.65 | 38.77 | 40.59 | 40.59 | -1.65% | 745,089 |
| Sep 22, 2025 | 40.08 | 41.33 | 36.00 | 41.27 | 41.27 | -1.10% | 952,789 |
| Sep 19, 2025 | 37.00 | 42.21 | 37.00 | 41.73 | 41.73 | 11.58% | 1,395,413 |
| Sep 18, 2025 | 36.32 | 37.67 | 35.00 | 37.40 | 37.40 | 5.59% | 739,677 |
| Sep 17, 2025 | 32.86 | 35.59 | 31.16 | 35.42 | 35.42 | 7.04% | 636,025 |
| Sep 16, 2025 | 33.51 | 34.90 | 32.20 | 33.09 | 33.09 | -0.21% | 366,827 |
| Sep 15, 2025 | 33.58 | 34.00 | 32.32 | 33.16 | 33.16 | -1.63% | 417,534 |
| Sep 12, 2025 | 30.26 | 33.85 | 30.06 | 33.71 | 33.71 | 11.42% | 644,692 |
| Sep 11, 2025 | 27.92 | 30.50 | 27.92 | 30.26 | 30.26 | 8.83% | 299,079 |
| Sep 10, 2025 | 28.75 | 29.48 | 27.51 | 27.80 | 27.80 | -1.14% | 232,217 |
| Sep 9, 2025 | 26.70 | 28.14 | 26.55 | 28.12 | 28.12 | 5.60% | 274,960 |
| Sep 8, 2025 | 27.90 | 28.21 | 26.31 | 26.63 | 26.63 | -4.38% | 299,626 |
| Sep 5, 2025 | 28.09 | 28.46 | 26.95 | 27.85 | 27.85 | 1.62% | 145,397 |
| Sep 4, 2025 | 27.17 | 27.61 | 26.41 | 27.41 | 27.41 | -1.31% | 188,225 |
| Sep 3, 2025 | 27.93 | 28.84 | 27.10 | 27.77 | 27.77 | 0.11% | 224,875 |
| Sep 2, 2025 | 28.30 | 29.41 | 27.18 | 27.74 | 27.74 | -7.53% | 331,152 |
| Aug 29, 2025 | 31.65 | 31.94 | 29.96 | 30.00 | 30.00 | -5.93% | 200,108 |
| Aug 28, 2025 | 31.37 | 32.40 | 30.97 | 31.89 | 31.89 | 4.87% | 236,299 |
| Aug 27, 2025 | 31.39 | 31.60 | 30.35 | 30.41 | 30.41 | -3.67% | 198,847 |
| Aug 26, 2025 | 30.84 | 32.00 | 30.80 | 31.57 | 31.57 | 2.37% | 228,147 |
| Aug 25, 2025 | 30.51 | 31.30 | 29.50 | 30.84 | 30.84 | 0.10% | 203,221 |
| Aug 22, 2025 | 28.54 | 30.87 | 28.50 | 30.81 | 30.81 | 7.65% | 278,665 |
| Aug 21, 2025 | 29.00 | 29.13 | 27.82 | 28.62 | 28.62 | -2.42% | 263,554 |
| Aug 20, 2025 | 29.50 | 29.91 | 27.29 | 29.33 | 29.33 | -2.17% | 516,566 |
| Aug 19, 2025 | 32.50 | 32.50 | 29.79 | 29.98 | 29.98 | -7.78% | 343,019 |
| Aug 18, 2025 | 32.40 | 32.56 | 30.86 | 32.51 | 32.51 | -1.34% | 255,551 |
| Aug 15, 2025 | 31.89 | 32.96 | 30.80 | 32.95 | 32.95 | 1.51% | 281,862 |
| Aug 14, 2025 | 33.11 | 33.61 | 31.15 | 32.46 | 32.46 | -6.13% | 539,494 |
| Aug 13, 2025 | 34.76 | 35.50 | 33.81 | 34.58 | 34.58 | 1.32% | 437,027 |
| Aug 12, 2025 | 32.95 | 34.39 | 31.99 | 34.13 | 34.13 | 3.77% | 401,504 |
| Aug 11, 2025 | 32.75 | 34.36 | 31.51 | 32.89 | 32.89 | 1.73% | 362,122 |
| Aug 8, 2025 | 33.29 | 34.20 | 32.14 | 32.33 | 32.33 | -0.03% | 318,009 |
| Aug 7, 2025 | 34.70 | 35.08 | 31.88 | 32.34 | 32.34 | -6.91% | 455,348 |
| Aug 6, 2025 | 36.16 | 36.21 | 33.70 | 34.74 | 34.74 | -7.06% | 463,020 |
| Aug 5, 2025 | 36.22 | 37.82 | 35.15 | 37.38 | 37.38 | 5.92% | 516,944 |
| Aug 4, 2025 | 33.49 | 35.32 | 32.54 | 35.29 | 35.29 | 9.09% | 375,551 |
| Aug 1, 2025 | 31.46 | 33.14 | 30.89 | 32.35 | 32.35 | -2.69% | 431,835 |
| Jul 31, 2025 | 34.87 | 35.89 | 33.12 | 33.25 | 33.25 | -0.31% | 526,257 |
| Jul 30, 2025 | 34.25 | 35.50 | 32.77 | 33.35 | 33.35 | -1.94% | 385,945 |
| Jul 29, 2025 | 36.33 | 37.14 | 33.62 | 34.01 | 34.01 | -7.43% | 634,496 |
| Jul 28, 2025 | 38.51 | 38.84 | 35.27 | 36.74 | 36.74 | -4.15% | 697,166 |
| Jul 25, 2025 | 39.41 | 39.50 | 37.56 | 38.33 | 38.33 | -2.44% | 417,885 |
| Jul 24, 2025 | 40.29 | 41.50 | 39.08 | 39.29 | 39.29 | -3.06% | 402,423 |
| Jul 23, 2025 | 39.72 | 40.67 | 38.57 | 40.53 | 40.53 | 2.97% | 493,854 |
| Jul 22, 2025 | 42.30 | 42.30 | 37.20 | 39.36 | 39.36 | -4.93% | 1,193,919 |
| Jul 21, 2025 | 43.00 | 50.21 | 41.30 | 41.40 | 41.40 | -2.27% | 1,789,063 |
| Jul 18, 2025 | 42.66 | 46.48 | 41.08 | 42.36 | 42.36 | 0.62% | 1,339,354 |
| Jul 17, 2025 | 41.85 | 42.65 | 40.51 | 42.10 | 42.10 | -2.79% | 919,429 |