Quantum Computing Inc. (QUBT)
NASDAQ: QUBT · Real-Time Price · USD
10.76
+0.99 (10.13%)
At close: Jun 18, 2026, 4:00 PM EDT
10.70
-0.06 (-0.56%)
After-hours: Jun 18, 2026, 7:59 PM EDT
Quantum Computing Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 10.23 | 10.81 | 9.88 | 10.76 | 10.76 | 10.13% | 21,388,972 |
| Jun 17, 2026 | 10.31 | 10.44 | 9.68 | 9.77 | 9.77 | -3.46% | 12,932,707 |
| Jun 16, 2026 | 10.84 | 10.93 | 9.99 | 10.12 | 10.12 | -8.83% | 16,580,778 |
| Jun 15, 2026 | 10.74 | 11.52 | 10.60 | 11.10 | 11.10 | 11.78% | 24,704,829 |
| Jun 12, 2026 | 10.01 | 10.49 | 9.68 | 9.93 | 9.93 | 0.20% | 12,416,465 |
| Jun 11, 2026 | 9.48 | 10.05 | 9.33 | 9.91 | 9.91 | 3.99% | 13,028,622 |
| Jun 10, 2026 | 9.39 | 10.09 | 9.32 | 9.53 | 9.53 | 0.26% | 13,687,447 |
| Jun 9, 2026 | 10.37 | 10.66 | 9.07 | 9.51 | 9.51 | -9.04% | 17,771,863 |
| Jun 8, 2026 | 10.30 | 10.63 | 9.95 | 10.45 | 10.45 | 4.97% | 12,412,480 |
| Jun 5, 2026 | 10.90 | 10.90 | 9.81 | 9.96 | 9.96 | -11.04% | 21,673,586 |
| Jun 4, 2026 | 11.00 | 11.41 | 10.73 | 11.19 | 11.19 | -0.09% | 17,495,286 |
| Jun 3, 2026 | 11.95 | 12.35 | 11.17 | 11.20 | 11.20 | -8.57% | 22,087,695 |
| Jun 2, 2026 | 12.25 | 12.70 | 11.82 | 12.25 | 12.25 | -1.13% | 25,479,583 |
| Jun 1, 2026 | 11.67 | 13.00 | 11.03 | 12.39 | 12.39 | 3.60% | 32,254,633 |
| May 29, 2026 | 12.00 | 12.10 | 11.48 | 11.96 | 11.96 | -2.29% | 21,438,054 |
| May 28, 2026 | 11.40 | 12.39 | 11.32 | 12.24 | 12.24 | 7.18% | 30,904,202 |
| May 27, 2026 | 11.55 | 11.82 | 11.12 | 11.42 | 11.42 | -2.23% | 20,366,922 |
| May 26, 2026 | 12.48 | 12.53 | 11.27 | 11.68 | 11.68 | -5.12% | 34,034,014 |
| May 22, 2026 | 11.62 | 13.39 | 11.61 | 12.31 | 12.31 | 7.89% | 68,053,940 |
| May 21, 2026 | 10.47 | 11.45 | 10.32 | 11.41 | 11.41 | 19.35% | 57,198,068 |
| May 20, 2026 | 9.32 | 9.66 | 9.19 | 9.56 | 9.56 | 3.69% | 13,615,904 |
| May 19, 2026 | 9.55 | 9.77 | 9.14 | 9.22 | 9.22 | -5.10% | 11,586,652 |
| May 18, 2026 | 10.50 | 10.50 | 9.43 | 9.72 | 9.72 | -7.52% | 18,177,659 |
| May 15, 2026 | 11.24 | 11.24 | 10.50 | 10.51 | 10.51 | -10.44% | 21,801,204 |
| May 14, 2026 | 10.81 | 12.32 | 10.54 | 11.73 | 11.73 | 6.35% | 36,851,453 |
| May 13, 2026 | 11.70 | 11.72 | 10.85 | 11.03 | 11.03 | -6.37% | 36,152,641 |
| May 12, 2026 | 12.70 | 14.45 | 11.29 | 11.78 | 11.78 | 15.72% | 141,078,796 |
| May 11, 2026 | 9.49 | 10.32 | 9.33 | 10.18 | 10.18 | 6.04% | 31,560,924 |
| May 8, 2026 | 9.82 | 9.95 | 9.22 | 9.60 | 9.60 | -0.31% | 12,800,958 |
| May 7, 2026 | 10.06 | 10.23 | 9.37 | 9.63 | 9.63 | -7.93% | 13,437,648 |
| May 6, 2026 | 9.70 | 10.53 | 9.59 | 10.46 | 10.46 | 9.41% | 19,566,538 |
| May 5, 2026 | 9.59 | 9.62 | 9.15 | 9.56 | 9.56 | 0.63% | 9,078,900 |
| May 4, 2026 | 9.15 | 9.88 | 9.14 | 9.50 | 9.50 | 3.15% | 13,368,403 |
| May 1, 2026 | 9.01 | 9.23 | 8.84 | 9.21 | 9.21 | 2.11% | 10,240,110 |
| Apr 30, 2026 | 8.33 | 9.09 | 8.19 | 9.02 | 9.02 | 8.94% | 11,042,698 |
| Apr 29, 2026 | 8.52 | 8.52 | 7.98 | 8.28 | 8.28 | -3.38% | 11,370,449 |
| Apr 28, 2026 | 8.83 | 8.88 | 8.41 | 8.57 | 8.57 | -5.82% | 8,744,651 |
| Apr 27, 2026 | 8.82 | 9.12 | 8.71 | 9.10 | 9.10 | 1.79% | 7,438,709 |
| Apr 24, 2026 | 9.26 | 9.27 | 8.59 | 8.94 | 8.94 | -1.22% | 13,060,032 |
| Apr 23, 2026 | 9.71 | 9.90 | 8.88 | 9.05 | 9.05 | -8.22% | 18,933,580 |
| Apr 22, 2026 | 9.59 | 10.17 | 9.56 | 9.86 | 9.86 | 4.78% | 16,293,621 |
| Apr 21, 2026 | 10.01 | 10.10 | 9.39 | 9.41 | 9.41 | -4.27% | 18,006,630 |
| Apr 20, 2026 | 9.35 | 9.94 | 9.28 | 9.83 | 9.83 | 2.72% | 19,699,289 |
| Apr 17, 2026 | 9.57 | 9.91 | 9.35 | 9.57 | 9.57 | 1.38% | 22,053,546 |
| Apr 16, 2026 | 9.77 | 9.79 | 9.01 | 9.44 | 9.44 | 0.43% | 33,663,289 |
| Apr 15, 2026 | 8.55 | 9.71 | 8.41 | 9.40 | 9.40 | 15.91% | 43,699,491 |
| Apr 14, 2026 | 7.60 | 8.33 | 7.52 | 8.11 | 8.11 | 11.55% | 23,177,433 |
| Apr 13, 2026 | 6.87 | 7.30 | 6.78 | 7.27 | 7.27 | 2.97% | 7,159,592 |
| Apr 10, 2026 | 6.93 | 7.28 | 6.87 | 7.06 | 7.06 | 4.13% | 7,924,174 |
| Apr 9, 2026 | 6.86 | 6.95 | 6.75 | 6.78 | 6.78 | -2.16% | 5,419,776 |