Quantum Computing Inc. (QUBT)
NASDAQ: QUBT · Real-Time Price · USD
8.18
-0.21 (-2.50%)
At close: Oct 2, 2026, 4:00 PM EDT
8.19
+0.01 (0.12%)
After-hours: Oct 2, 2026, 7:59 PM EDT
Quantum Computing Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 8.74 | 8.76 | 8.11 | 8.18 | 8.18 | -2.50% | 7,159,134 |
| Oct 1, 2026 | 8.52 | 8.57 | 8.32 | 8.39 | 8.39 | -0.71% | 4,417,701 |
| Sep 30, 2026 | 8.54 | 8.83 | 8.44 | 8.45 | 8.45 | -0.12% | 5,578,880 |
| Sep 29, 2026 | 8.77 | 8.77 | 8.45 | 8.46 | 8.46 | -1.28% | 4,422,369 |
| Sep 28, 2026 | 8.82 | 9.01 | 8.52 | 8.57 | 8.57 | -4.35% | 6,631,680 |
| Sep 25, 2026 | 9.07 | 9.28 | 8.93 | 8.96 | 8.96 | -2.18% | 8,034,430 |
| Sep 24, 2026 | 8.86 | 9.29 | 8.86 | 9.16 | 9.16 | 0.44% | 9,802,612 |
| Sep 23, 2026 | 9.67 | 9.76 | 9.05 | 9.12 | 9.12 | 0.44% | 14,942,867 |
| Sep 22, 2026 | 9.08 | 9.10 | 8.87 | 9.08 | 9.08 | 1.34% | 6,685,953 |
| Sep 21, 2026 | 9.00 | 9.13 | 8.85 | 8.96 | 8.96 | 2.99% | 8,412,025 |
| Sep 18, 2026 | 8.61 | 8.73 | 8.26 | 8.70 | 8.70 | 3.08% | 9,769,051 |
| Sep 17, 2026 | 8.29 | 8.54 | 8.18 | 8.44 | 8.44 | 5.50% | 7,645,940 |
| Sep 16, 2026 | 7.89 | 8.05 | 7.79 | 8.00 | 8.00 | 2.04% | 5,191,842 |
| Sep 15, 2026 | 7.82 | 8.04 | 7.78 | 7.84 | 7.84 | -1.63% | 4,794,393 |
| Sep 14, 2026 | 7.63 | 8.17 | 7.63 | 7.97 | 7.97 | -0.25% | 5,542,516 |
| Sep 11, 2026 | 7.94 | 8.14 | 7.82 | 7.99 | 7.99 | 2.17% | 4,766,489 |
| Sep 10, 2026 | 7.92 | 8.06 | 7.77 | 7.82 | 7.82 | -2.74% | 6,466,239 |
| Sep 9, 2026 | 8.12 | 8.32 | 8.03 | 8.04 | 8.04 | -2.19% | 5,292,358 |
| Sep 8, 2026 | 8.33 | 8.60 | 8.21 | 8.22 | 8.22 | 2.62% | 10,190,095 |
| Sep 4, 2026 | 7.93 | 8.03 | 7.84 | 8.01 | 8.01 | 0.63% | 3,680,742 |
| Sep 3, 2026 | 7.89 | 8.07 | 7.87 | 7.96 | 7.96 | 1.53% | 4,699,338 |
| Sep 2, 2026 | 7.81 | 8.00 | 7.80 | 7.84 | 7.84 | -0.76% | 7,061,262 |
| Sep 1, 2026 | 8.00 | 8.12 | 7.83 | 7.90 | 7.90 | -4.01% | 5,886,172 |
| Aug 31, 2026 | 8.10 | 8.35 | 8.08 | 8.23 | 8.23 | 0.98% | 4,545,554 |
| Aug 28, 2026 | 8.52 | 8.64 | 8.07 | 8.15 | 8.15 | -5.78% | 7,542,317 |
| Aug 27, 2026 | 8.61 | 8.78 | 8.42 | 8.65 | 8.65 | 3.59% | 7,491,748 |
| Aug 26, 2026 | 8.43 | 8.58 | 8.29 | 8.35 | 8.35 | -1.30% | 4,969,800 |
| Aug 25, 2026 | 8.45 | 8.62 | 8.22 | 8.46 | 8.46 | 2.67% | 5,646,267 |
| Aug 24, 2026 | 8.62 | 8.72 | 8.18 | 8.24 | 8.24 | -7.62% | 8,451,986 |
| Aug 21, 2026 | 8.24 | 8.95 | 8.24 | 8.92 | 8.92 | 9.58% | 13,920,937 |
| Aug 20, 2026 | 8.47 | 8.56 | 8.04 | 8.14 | 8.14 | -3.33% | 8,046,879 |
| Aug 19, 2026 | 8.36 | 8.50 | 8.14 | 8.42 | 8.42 | -1.17% | 6,604,434 |
| Aug 18, 2026 | 8.50 | 8.94 | 8.45 | 8.52 | 8.52 | -5.86% | 7,453,343 |
| Aug 17, 2026 | 8.92 | 9.18 | 8.73 | 9.05 | 9.05 | 0.44% | 6,943,039 |
| Aug 14, 2026 | 8.79 | 9.10 | 8.76 | 9.01 | 9.01 | 1.01% | 7,294,897 |
| Aug 13, 2026 | 8.87 | 9.26 | 8.79 | 8.92 | 8.92 | - | 9,700,257 |
| Aug 12, 2026 | 9.15 | 9.24 | 8.78 | 8.92 | 8.92 | -0.34% | 7,844,005 |
| Aug 11, 2026 | 9.16 | 9.16 | 8.70 | 8.95 | 8.95 | 0.22% | 8,827,607 |
| Aug 10, 2026 | 9.17 | 9.25 | 8.86 | 8.93 | 8.93 | -2.72% | 9,704,970 |
| Aug 7, 2026 | 8.94 | 9.21 | 8.75 | 9.18 | 9.18 | 4.62% | 9,182,744 |
| Aug 6, 2026 | 8.52 | 8.97 | 8.47 | 8.78 | 8.78 | -1.18% | 5,813,076 |
| Aug 5, 2026 | 9.12 | 9.23 | 8.85 | 8.88 | 8.88 | -3.79% | 6,208,517 |
| Aug 4, 2026 | 8.98 | 9.35 | 8.92 | 9.23 | 9.23 | 5.61% | 12,954,560 |
| Aug 3, 2026 | 8.11 | 8.75 | 8.00 | 8.74 | 8.74 | 7.90% | 10,064,601 |
| Jul 31, 2026 | 8.17 | 8.39 | 7.92 | 8.10 | 8.10 | 1.00% | 10,482,003 |
| Jul 30, 2026 | 7.61 | 8.04 | 7.53 | 8.02 | 8.02 | 9.86% | 8,417,829 |
| Jul 29, 2026 | 7.60 | 7.81 | 7.30 | 7.30 | 7.30 | -5.44% | 8,505,630 |
| Jul 28, 2026 | 7.75 | 7.88 | 7.30 | 7.72 | 7.72 | -3.02% | 8,655,851 |
| Jul 27, 2026 | 7.73 | 8.17 | 7.68 | 7.96 | 7.96 | 7.13% | 10,494,818 |
| Jul 24, 2026 | 7.85 | 7.88 | 7.41 | 7.43 | 7.43 | -5.47% | 7,303,290 |