Quantum Computing Inc. (QUBT)
NASDAQ: QUBT · Real-Time Price · USD
21.41
+1.20 (5.91%)
At close: Sep 23, 2025, 4:00 PM EDT
21.32
-0.09 (-0.40%)
After-hours: Sep 23, 2025, 7:59 PM EDT
Quantum Computing Stock Price History
Historical Data
Date | Open | High | Low | Close | Adj. Close | Change | Volume |
---|---|---|---|---|---|---|---|
Sep 23, 2025 | 21.01 | 22.24 | 19.92 | 21.41 | 21.41 | 5.91% | 50,072,330 |
Sep 22, 2025 | 20.33 | 20.92 | 18.41 | 20.21 | 20.21 | -13.15% | 80,679,923 |
Sep 19, 2025 | 18.19 | 23.98 | 18.18 | 23.27 | 23.27 | 26.81% | 98,556,687 |
Sep 18, 2025 | 18.48 | 19.25 | 17.78 | 18.35 | 18.35 | 3.61% | 42,934,199 |
Sep 17, 2025 | 16.73 | 18.02 | 16.59 | 17.71 | 17.71 | 4.98% | 35,448,093 |
Sep 16, 2025 | 16.92 | 17.07 | 15.76 | 16.87 | 16.87 | 0.21% | 29,370,306 |
Sep 15, 2025 | 17.22 | 17.48 | 16.56 | 16.84 | 16.84 | -1.03% | 19,579,740 |
Sep 12, 2025 | 16.00 | 17.26 | 15.86 | 17.01 | 17.01 | 7.05% | 28,709,982 |
Sep 11, 2025 | 15.37 | 16.01 | 15.12 | 15.89 | 15.89 | 3.11% | 14,810,379 |
Sep 10, 2025 | 16.15 | 16.28 | 15.30 | 15.41 | 15.41 | -4.85% | 19,483,501 |
Sep 9, 2025 | 15.25 | 16.23 | 15.09 | 16.20 | 16.20 | 6.27% | 17,597,241 |
Sep 8, 2025 | 15.00 | 15.30 | 14.71 | 15.24 | 15.24 | 0.86% | 12,545,386 |
Sep 5, 2025 | 15.08 | 15.68 | 14.78 | 15.11 | 15.11 | 2.37% | 13,657,885 |
Sep 4, 2025 | 14.61 | 14.94 | 14.20 | 14.76 | 14.76 | 1.44% | 14,041,734 |
Sep 3, 2025 | 15.21 | 15.31 | 14.35 | 14.55 | 14.55 | -3.32% | 15,279,309 |
Sep 2, 2025 | 15.25 | 15.48 | 14.31 | 15.05 | 15.05 | -4.63% | 15,814,427 |
Aug 29, 2025 | 16.05 | 16.17 | 15.39 | 15.78 | 15.78 | -1.99% | 14,528,121 |
Aug 28, 2025 | 15.10 | 16.17 | 14.70 | 16.10 | 16.10 | 8.71% | 24,575,293 |
Aug 27, 2025 | 15.21 | 15.38 | 14.81 | 14.81 | 14.81 | -2.76% | 12,380,925 |
Aug 26, 2025 | 15.04 | 15.37 | 14.85 | 15.23 | 15.23 | 0.13% | 13,995,599 |
Aug 25, 2025 | 15.74 | 15.91 | 15.17 | 15.21 | 15.21 | -3.92% | 12,581,068 |
Aug 22, 2025 | 14.59 | 16.09 | 14.30 | 15.83 | 15.83 | 7.76% | 18,144,785 |
Aug 21, 2025 | 14.51 | 14.76 | 14.37 | 14.69 | 14.69 | 0.48% | 9,110,240 |
Aug 20, 2025 | 14.70 | 14.83 | 13.72 | 14.62 | 14.62 | -1.62% | 13,602,281 |
Aug 19, 2025 | 15.82 | 15.95 | 14.79 | 14.86 | 14.86 | -6.51% | 12,138,179 |
Aug 18, 2025 | 15.27 | 16.25 | 15.04 | 15.90 | 15.90 | 3.75% | 16,871,092 |
Aug 15, 2025 | 14.89 | 15.65 | 14.63 | 15.32 | 15.32 | -0.39% | 15,982,942 |
Aug 14, 2025 | 15.79 | 15.81 | 14.97 | 15.38 | 15.38 | -3.94% | 20,320,583 |
Aug 13, 2025 | 16.55 | 16.89 | 15.50 | 16.01 | 16.01 | -3.55% | 23,012,596 |
Aug 12, 2025 | 16.41 | 16.61 | 15.85 | 16.60 | 16.60 | 0.85% | 15,063,194 |
Aug 11, 2025 | 16.06 | 16.79 | 15.92 | 16.46 | 16.46 | 2.05% | 14,002,797 |
Aug 8, 2025 | 15.98 | 16.58 | 15.77 | 16.13 | 16.13 | 2.35% | 12,655,626 |
Aug 7, 2025 | 15.99 | 16.42 | 15.58 | 15.76 | 15.76 | -2.54% | 12,055,724 |
Aug 6, 2025 | 16.79 | 16.89 | 15.87 | 16.17 | 16.17 | -4.26% | 12,693,403 |
Aug 5, 2025 | 16.47 | 17.24 | 15.78 | 16.89 | 16.89 | 8.27% | 32,154,079 |
Aug 4, 2025 | 14.93 | 15.79 | 14.71 | 15.60 | 15.60 | 5.41% | 12,423,322 |
Aug 1, 2025 | 14.20 | 14.87 | 13.97 | 14.80 | 14.80 | -0.27% | 12,313,422 |
Jul 31, 2025 | 15.25 | 15.79 | 14.76 | 14.84 | 14.84 | 0.75% | 14,920,099 |
Jul 30, 2025 | 15.30 | 15.58 | 14.63 | 14.73 | 14.73 | -4.16% | 12,237,471 |
Jul 29, 2025 | 16.07 | 16.44 | 15.16 | 15.37 | 15.37 | -4.83% | 13,095,992 |
Jul 28, 2025 | 16.98 | 17.18 | 15.93 | 16.15 | 16.15 | -3.35% | 12,698,818 |
Jul 25, 2025 | 16.97 | 17.09 | 16.42 | 16.71 | 16.71 | -1.42% | 10,241,014 |
Jul 24, 2025 | 17.24 | 17.34 | 16.82 | 16.95 | 16.95 | -2.98% | 13,171,961 |
Jul 23, 2025 | 17.21 | 17.51 | 16.72 | 17.47 | 17.47 | 3.93% | 15,793,934 |
Jul 22, 2025 | 18.20 | 18.24 | 16.27 | 16.81 | 16.81 | -5.83% | 20,057,534 |
Jul 21, 2025 | 19.60 | 19.82 | 17.79 | 17.85 | 17.85 | -8.51% | 24,281,680 |
Jul 18, 2025 | 19.82 | 20.11 | 18.78 | 19.51 | 19.51 | -1.32% | 22,077,766 |
Jul 17, 2025 | 18.52 | 19.91 | 18.42 | 19.77 | 19.77 | 7.45% | 25,705,696 |
Jul 16, 2025 | 18.02 | 18.58 | 17.62 | 18.40 | 18.40 | 4.13% | 21,321,869 |
Jul 15, 2025 | 19.03 | 19.09 | 17.43 | 17.67 | 17.67 | -6.71% | 33,574,355 |