Arqit Quantum Inc. (ARQQ)
NASDAQ: ARQQ · Real-Time Price · USD
24.26
-3.06 (-11.20%)
At close: Jun 26, 2026, 4:00 PM EDT
24.50
+0.24 (0.99%)
After-hours: Jun 26, 2026, 7:59 PM EDT
Arqit Quantum Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 26.50 | 28.14 | 24.11 | 24.26 | 24.26 | -11.20% | 693,556 |
| Jun 25, 2026 | 26.74 | 29.15 | 25.04 | 27.32 | 27.32 | -4.61% | 893,862 |
| Jun 24, 2026 | 28.21 | 29.29 | 24.51 | 28.64 | 28.64 | -1.38% | 1,646,626 |
| Jun 23, 2026 | 21.05 | 29.89 | 21.05 | 29.04 | 29.04 | 35.57% | 3,217,636 |
| Jun 22, 2026 | 23.62 | 24.39 | 20.29 | 21.42 | 21.42 | -12.14% | 1,446,664 |
| Jun 18, 2026 | 23.31 | 25.70 | 21.01 | 24.38 | 24.38 | 7.88% | 5,656,666 |
| Jun 17, 2026 | 19.89 | 24.09 | 19.50 | 22.60 | 22.60 | 13.34% | 2,764,239 |
| Jun 16, 2026 | 17.38 | 20.53 | 17.00 | 19.94 | 19.94 | 11.27% | 2,281,135 |
| Jun 15, 2026 | 14.37 | 18.63 | 14.37 | 17.92 | 17.92 | 31.76% | 3,015,326 |
| Jun 12, 2026 | 13.49 | 14.07 | 13.17 | 13.60 | 13.60 | -0.66% | 392,555 |
| Jun 11, 2026 | 13.05 | 13.84 | 12.77 | 13.69 | 13.69 | 4.58% | 491,456 |
| Jun 10, 2026 | 12.16 | 13.91 | 12.16 | 13.09 | 13.09 | 4.80% | 576,126 |
| Jun 9, 2026 | 13.20 | 14.16 | 12.07 | 12.49 | 12.49 | -2.57% | 846,445 |
| Jun 8, 2026 | 12.66 | 13.25 | 12.30 | 12.82 | 12.82 | 5.60% | 488,466 |
| Jun 5, 2026 | 13.90 | 14.01 | 11.80 | 12.14 | 12.14 | -14.63% | 785,252 |
| Jun 4, 2026 | 14.31 | 14.83 | 14.01 | 14.22 | 14.22 | -2.87% | 520,614 |
| Jun 3, 2026 | 15.81 | 15.96 | 14.55 | 14.64 | 14.64 | -10.02% | 724,445 |
| Jun 2, 2026 | 17.24 | 17.54 | 15.88 | 16.27 | 16.27 | -4.07% | 627,713 |
| Jun 1, 2026 | 16.23 | 17.33 | 15.88 | 16.96 | 16.96 | 2.73% | 498,871 |
| May 29, 2026 | 16.81 | 17.02 | 15.92 | 16.51 | 16.51 | -2.37% | 473,420 |
| May 28, 2026 | 16.00 | 17.80 | 15.88 | 16.91 | 16.91 | 5.03% | 1,047,468 |
| May 27, 2026 | 16.47 | 16.47 | 15.38 | 16.10 | 16.10 | -2.95% | 656,007 |
| May 26, 2026 | 18.04 | 18.04 | 15.90 | 16.59 | 16.59 | -5.15% | 1,080,703 |
| May 22, 2026 | 16.76 | 19.00 | 16.49 | 17.49 | 17.49 | 6.32% | 2,178,020 |
| May 21, 2026 | 13.96 | 17.40 | 13.81 | 16.45 | 16.45 | 25.67% | 2,072,417 |
| May 20, 2026 | 12.17 | 13.21 | 12.16 | 13.09 | 13.09 | 7.56% | 320,358 |
| May 19, 2026 | 12.50 | 12.55 | 11.91 | 12.17 | 12.17 | -4.47% | 375,305 |
| May 18, 2026 | 13.28 | 13.32 | 12.42 | 12.74 | 12.74 | -4.50% | 371,494 |
| May 15, 2026 | 13.53 | 13.53 | 12.91 | 13.34 | 13.34 | -3.82% | 336,506 |
| May 14, 2026 | 13.74 | 14.26 | 12.91 | 13.87 | 13.87 | 0.29% | 465,363 |
| May 13, 2026 | 14.10 | 14.24 | 13.50 | 13.83 | 13.83 | -3.96% | 406,058 |
| May 12, 2026 | 15.06 | 15.60 | 13.90 | 14.40 | 14.40 | -4.00% | 505,674 |
| May 11, 2026 | 14.66 | 15.50 | 14.20 | 15.00 | 15.00 | 0.27% | 487,412 |
| May 8, 2026 | 15.43 | 15.48 | 14.51 | 14.96 | 14.96 | -3.05% | 626,784 |
| May 7, 2026 | 15.43 | 16.24 | 15.05 | 15.43 | 15.43 | -1.59% | 627,814 |
| May 6, 2026 | 14.99 | 15.75 | 14.75 | 15.68 | 15.68 | 7.03% | 544,659 |
| May 5, 2026 | 14.62 | 14.87 | 13.95 | 14.65 | 14.65 | 1.60% | 247,627 |
| May 4, 2026 | 14.60 | 15.19 | 14.37 | 14.42 | 14.42 | -0.69% | 244,907 |
| May 1, 2026 | 14.57 | 14.64 | 13.97 | 14.52 | 14.52 | 1.11% | 240,595 |
| Apr 30, 2026 | 13.16 | 14.41 | 13.12 | 14.36 | 14.36 | 8.62% | 265,927 |
| Apr 29, 2026 | 14.01 | 14.11 | 13.04 | 13.22 | 13.22 | -6.17% | 281,086 |
| Apr 28, 2026 | 14.38 | 14.46 | 13.89 | 14.09 | 14.09 | -3.36% | 186,647 |
| Apr 27, 2026 | 14.39 | 15.00 | 14.25 | 14.58 | 14.58 | 0.34% | 222,933 |
| Apr 24, 2026 | 14.55 | 14.86 | 13.70 | 14.53 | 14.53 | 0.55% | 314,436 |
| Apr 23, 2026 | 15.40 | 15.50 | 14.14 | 14.45 | 14.45 | -8.31% | 331,612 |
| Apr 22, 2026 | 15.48 | 16.19 | 15.27 | 15.76 | 15.76 | 6.13% | 354,938 |
| Apr 21, 2026 | 16.19 | 16.90 | 14.80 | 14.85 | 14.85 | -8.05% | 619,578 |
| Apr 20, 2026 | 15.43 | 16.39 | 15.40 | 16.15 | 16.15 | 0.75% | 484,500 |
| Apr 17, 2026 | 16.26 | 16.74 | 15.86 | 16.03 | 16.03 | 1.65% | 740,442 |
| Apr 16, 2026 | 17.61 | 17.70 | 15.58 | 15.77 | 15.77 | -2.83% | 1,100,526 |
| Apr 15, 2026 | 15.25 | 16.60 | 15.01 | 16.23 | 16.23 | 16.18% | 1,199,128 |
| Apr 14, 2026 | 13.65 | 14.67 | 13.65 | 13.97 | 13.97 | 5.51% | 381,395 |
| Apr 13, 2026 | 12.30 | 13.35 | 11.91 | 13.24 | 13.24 | 5.67% | 202,391 |
| Apr 10, 2026 | 12.49 | 12.85 | 12.40 | 12.53 | 12.53 | 0.72% | 99,310 |
| Apr 9, 2026 | 12.73 | 12.99 | 12.36 | 12.44 | 12.44 | -3.27% | 160,464 |
| Apr 8, 2026 | 13.76 | 13.97 | 12.61 | 12.86 | 12.86 | 2.47% | 189,556 |
| Apr 7, 2026 | 13.00 | 13.14 | 12.21 | 12.55 | 12.55 | -5.78% | 147,158 |
| Apr 6, 2026 | 13.76 | 14.25 | 13.17 | 13.32 | 13.32 | -4.65% | 153,581 |
| Apr 2, 2026 | 12.74 | 13.99 | 12.31 | 13.97 | 13.97 | 2.80% | 188,613 |
| Apr 1, 2026 | 13.70 | 14.28 | 13.25 | 13.59 | 13.59 | 2.57% | 210,903 |
| Mar 31, 2026 | 12.01 | 13.32 | 12.01 | 13.25 | 13.25 | 11.34% | 254,994 |
| Mar 30, 2026 | 11.91 | 12.18 | 11.52 | 11.90 | 11.90 | 1.02% | 173,111 |
| Mar 27, 2026 | 12.58 | 12.58 | 11.59 | 11.78 | 11.78 | -7.75% | 206,140 |
| Mar 26, 2026 | 13.19 | 13.58 | 12.74 | 12.77 | 12.77 | -6.24% | 139,731 |
| Mar 25, 2026 | 13.94 | 14.37 | 13.35 | 13.62 | 13.62 | 0.37% | 124,312 |
| Mar 24, 2026 | 14.21 | 14.38 | 13.54 | 13.57 | 13.57 | -5.63% | 147,014 |
| Mar 23, 2026 | 13.55 | 14.50 | 13.20 | 14.38 | 14.38 | 5.74% | 221,580 |
| Mar 20, 2026 | 13.70 | 14.15 | 13.16 | 13.60 | 13.60 | -1.95% | 204,404 |
| Mar 19, 2026 | 13.44 | 14.00 | 12.91 | 13.87 | 13.87 | 1.76% | 216,950 |
| Mar 18, 2026 | 14.00 | 14.40 | 13.60 | 13.63 | 13.63 | -3.74% | 147,208 |
| Mar 17, 2026 | 13.97 | 14.60 | 13.88 | 14.16 | 14.16 | 1.18% | 154,993 |
| Mar 16, 2026 | 13.97 | 14.33 | 13.63 | 14.00 | 14.00 | 2.68% | 129,464 |
| Mar 13, 2026 | 14.20 | 14.75 | 13.61 | 13.63 | 13.63 | -2.99% | 171,884 |
| Mar 12, 2026 | 14.51 | 14.86 | 14.04 | 14.05 | 14.05 | -4.75% | 132,458 |
| Mar 11, 2026 | 15.26 | 15.54 | 14.42 | 14.75 | 14.75 | -2.25% | 261,731 |
| Mar 10, 2026 | 15.72 | 15.84 | 15.00 | 15.09 | 15.09 | -2.52% | 247,383 |
| Mar 9, 2026 | 15.07 | 15.57 | 14.68 | 15.48 | 15.48 | 0.45% | 285,513 |
| Mar 6, 2026 | 15.70 | 16.33 | 15.36 | 15.41 | 15.41 | -3.20% | 183,024 |
| Mar 5, 2026 | 16.24 | 16.73 | 15.69 | 15.92 | 15.92 | -4.44% | 186,015 |
| Mar 4, 2026 | 16.20 | 16.75 | 16.01 | 16.66 | 16.66 | 4.58% | 142,574 |
| Mar 3, 2026 | 15.98 | 16.31 | 15.31 | 15.93 | 15.93 | -5.52% | 150,380 |
| Mar 2, 2026 | 15.72 | 16.93 | 15.43 | 16.86 | 16.86 | 2.43% | 183,724 |
| Feb 27, 2026 | 16.55 | 16.63 | 16.01 | 16.46 | 16.46 | -5.73% | 247,292 |
| Feb 26, 2026 | 17.27 | 17.81 | 16.84 | 17.46 | 17.46 | 3.68% | 327,841 |
| Feb 25, 2026 | 17.10 | 17.54 | 16.71 | 16.84 | 16.84 | 2.75% | 253,223 |
| Feb 24, 2026 | 15.26 | 16.50 | 15.26 | 16.39 | 16.39 | 7.09% | 231,939 |
| Feb 23, 2026 | 15.55 | 15.67 | 15.02 | 15.31 | 15.31 | -3.44% | 178,058 |
| Feb 20, 2026 | 16.63 | 17.00 | 15.75 | 15.85 | 15.85 | -5.71% | 379,210 |
| Feb 19, 2026 | 16.00 | 16.87 | 15.82 | 16.81 | 16.81 | 3.38% | 153,323 |
| Feb 18, 2026 | 16.45 | 17.04 | 15.85 | 16.26 | 16.26 | -1.63% | 149,494 |
| Feb 17, 2026 | 16.90 | 16.90 | 16.06 | 16.53 | 16.53 | -2.76% | 157,797 |
| Feb 13, 2026 | 17.16 | 17.45 | 16.40 | 17.00 | 17.00 | 1.31% | 134,333 |
| Feb 12, 2026 | 17.32 | 17.33 | 15.89 | 16.78 | 16.78 | -3.12% | 253,920 |
| Feb 11, 2026 | 17.77 | 17.89 | 16.59 | 17.32 | 17.32 | -1.37% | 234,906 |
| Feb 10, 2026 | 18.31 | 18.60 | 17.50 | 17.56 | 17.56 | -5.08% | 223,851 |
| Feb 9, 2026 | 18.87 | 19.09 | 18.11 | 18.50 | 18.50 | -0.48% | 292,943 |
| Feb 6, 2026 | 16.89 | 19.21 | 16.81 | 18.59 | 18.59 | 15.32% | 462,403 |
| Feb 5, 2026 | 17.48 | 18.14 | 16.00 | 16.12 | 16.12 | -12.01% | 365,541 |
| Feb 4, 2026 | 19.76 | 19.77 | 17.60 | 18.32 | 18.32 | -7.43% | 343,565 |
| Feb 3, 2026 | 20.24 | 20.58 | 18.54 | 19.79 | 19.79 | -1.88% | 335,688 |