Quantum Computing Inc. (QUBT)
NASDAQ: QUBT · Real-Time Price · USD
8.92
+0.78 (9.58%)
At close: Aug 21, 2026, 4:00 PM EDT
8.89
-0.03 (-0.34%)
After-hours: Aug 21, 2026, 7:59 PM EDT
Quantum Computing Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | 8.24 | 8.95 | 8.24 | 8.92 | 8.92 | 9.58% | 13,912,259 |
| 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 |
| Jul 23, 2026 | 7.76 | 8.08 | 7.70 | 7.86 | 7.86 | -0.63% | 6,243,067 |
| Jul 22, 2026 | 8.20 | 8.26 | 7.80 | 7.91 | 7.91 | -3.77% | 8,273,019 |
| Jul 21, 2026 | 8.07 | 8.26 | 7.95 | 8.22 | 8.22 | 3.79% | 8,536,121 |
| Jul 20, 2026 | 7.86 | 8.05 | 7.72 | 7.92 | 7.92 | 1.54% | 8,525,283 |
| Jul 17, 2026 | 7.47 | 8.08 | 7.41 | 7.80 | 7.80 | 2.09% | 10,574,292 |
| Jul 16, 2026 | 7.96 | 8.00 | 7.54 | 7.64 | 7.64 | -4.98% | 10,010,029 |
| Jul 15, 2026 | 8.30 | 8.50 | 7.91 | 8.04 | 8.04 | -3.37% | 7,389,742 |
| Jul 14, 2026 | 8.18 | 8.32 | 8.05 | 8.32 | 8.32 | 4.00% | 7,535,826 |
| Jul 13, 2026 | 8.50 | 8.51 | 7.92 | 8.00 | 8.00 | -7.62% | 11,149,200 |
| Jul 10, 2026 | 9.18 | 9.23 | 8.60 | 8.66 | 8.66 | -5.36% | 8,458,704 |
| Jul 9, 2026 | 8.80 | 9.33 | 8.75 | 9.15 | 9.15 | 4.57% | 8,755,378 |
| Jul 8, 2026 | 8.53 | 8.90 | 8.50 | 8.75 | 8.75 | 0.69% | 8,226,765 |
| Jul 7, 2026 | 9.15 | 9.18 | 8.48 | 8.69 | 8.69 | -7.26% | 13,855,064 |
| Jul 6, 2026 | 9.09 | 9.57 | 9.00 | 9.37 | 9.37 | 3.54% | 8,618,580 |
| Jul 2, 2026 | 9.55 | 9.88 | 8.94 | 9.05 | 9.05 | -4.03% | 12,099,109 |
| Jul 1, 2026 | 9.69 | 10.02 | 9.41 | 9.43 | 9.43 | -2.78% | 11,491,000 |
| Jun 30, 2026 | 9.69 | 9.88 | 9.44 | 9.70 | 9.70 | -2.22% | 11,542,047 |
| Jun 29, 2026 | 9.35 | 10.10 | 9.17 | 9.92 | 9.92 | 8.06% | 17,158,196 |
| Jun 26, 2026 | 8.95 | 9.38 | 8.83 | 9.18 | 9.18 | 0.99% | 16,345,324 |
| Jun 25, 2026 | 10.05 | 10.19 | 9.00 | 9.09 | 9.09 | -6.29% | 14,920,118 |
| Jun 24, 2026 | 10.27 | 10.35 | 9.61 | 9.70 | 9.70 | -7.53% | 19,047,253 |
| Jun 23, 2026 | 10.39 | 11.23 | 10.21 | 10.49 | 10.49 | -0.47% | 22,835,493 |
| Jun 22, 2026 | 10.55 | 11.30 | 10.45 | 10.54 | 10.54 | -2.04% | 17,242,266 |
| Jun 18, 2026 | 10.23 | 10.81 | 9.88 | 10.76 | 10.76 | 10.13% | 21,444,480 |
| 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 |