Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
3.075
-0.055 (-1.76%)
At close: Aug 28, 2026, 4:00 PM EDT
3.150
+0.075 (2.43%)
After-hours: Aug 28, 2026, 7:42 PM EDT
Quantum BioPharma Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | 3.15 | 3.21 | 3.07 | 3.08 | 3.08 | -1.76% | 85,845 |
| Aug 27, 2026 | 3.08 | 3.24 | 3.03 | 3.13 | 3.13 | 1.95% | 57,826 |
| Aug 26, 2026 | 3.28 | 3.37 | 3.06 | 3.07 | 3.07 | -6.40% | 123,876 |
| Aug 25, 2026 | 3.36 | 3.43 | 3.12 | 3.28 | 3.28 | 1.23% | 141,638 |
| Aug 24, 2026 | 3.44 | 3.45 | 3.13 | 3.24 | 3.24 | -5.81% | 205,239 |
| Aug 21, 2026 | 3.49 | 3.58 | 3.35 | 3.44 | 3.44 | - | 135,822 |
| Aug 20, 2026 | 3.52 | 3.52 | 3.36 | 3.44 | 3.44 | -2.27% | 149,486 |
| Aug 19, 2026 | 3.61 | 3.85 | 3.27 | 3.52 | 3.52 | 5.39% | 278,309 |
| Aug 18, 2026 | 3.68 | 3.73 | 3.23 | 3.34 | 3.34 | -9.24% | 306,483 |
| Aug 17, 2026 | 3.98 | 4.20 | 3.47 | 3.68 | 3.68 | -3.16% | 1,218,909 |
| Aug 14, 2026 | 3.34 | 3.95 | 3.31 | 3.80 | 3.80 | 17.65% | 270,311 |
| Aug 13, 2026 | 3.43 | 3.47 | 3.11 | 3.23 | 3.23 | -7.18% | 222,489 |
| Aug 12, 2026 | 3.60 | 3.67 | 3.37 | 3.48 | 3.48 | -1.97% | 143,297 |
| Aug 11, 2026 | 3.52 | 3.84 | 3.47 | 3.55 | 3.55 | 2.60% | 462,551 |
| Aug 10, 2026 | 3.40 | 4.08 | 3.24 | 3.46 | 3.46 | 0.29% | 1,816,794 |
| Aug 7, 2026 | 3.29 | 3.70 | 3.22 | 3.45 | 3.45 | 6.81% | 181,554 |
| Aug 6, 2026 | 2.90 | 3.25 | 2.81 | 3.23 | 3.23 | 11.38% | 64,256 |
| Aug 5, 2026 | 2.92 | 3.00 | 2.77 | 2.90 | 2.90 | 1.05% | 91,441 |
| Aug 4, 2026 | 3.00 | 3.05 | 2.66 | 2.87 | 2.87 | -5.90% | 229,970 |
| Aug 3, 2026 | 2.96 | 3.12 | 2.88 | 3.05 | 3.05 | 5.54% | 44,783 |
| Jul 31, 2026 | 2.95 | 2.96 | 2.77 | 2.89 | 2.89 | 1.76% | 50,194 |
| Jul 30, 2026 | 2.83 | 2.98 | 2.83 | 2.84 | 2.84 | 0.35% | 48,291 |
| Jul 29, 2026 | 2.96 | 2.98 | 2.73 | 2.83 | 2.83 | -5.67% | 91,620 |
| Jul 28, 2026 | 2.97 | 3.15 | 2.90 | 3.00 | 3.00 | 1.01% | 49,000 |
| Jul 27, 2026 | 2.95 | 2.99 | 2.84 | 2.97 | 2.97 | -0.67% | 31,715 |
| Jul 24, 2026 | 2.86 | 2.99 | 2.78 | 2.99 | 2.99 | 5.28% | 37,297 |
| Jul 23, 2026 | 2.81 | 2.95 | 2.70 | 2.84 | 2.84 | -0.35% | 180,875 |
| Jul 22, 2026 | 2.96 | 3.04 | 2.82 | 2.85 | 2.85 | -5.63% | 84,061 |
| Jul 21, 2026 | 3.04 | 3.12 | 2.96 | 3.02 | 3.02 | -0.66% | 99,898 |
| Jul 20, 2026 | 3.19 | 3.27 | 2.99 | 3.04 | 3.04 | -6.17% | 222,360 |
| Jul 17, 2026 | 3.31 | 3.40 | 3.21 | 3.24 | 3.24 | -3.86% | 100,955 |
| Jul 16, 2026 | 3.38 | 3.49 | 3.34 | 3.37 | 3.37 | -0.88% | 63,533 |
| Jul 15, 2026 | 3.41 | 3.50 | 3.33 | 3.40 | 3.40 | -2.58% | 53,908 |
| Jul 14, 2026 | 3.49 | 3.55 | 3.40 | 3.49 | 3.49 | -1.13% | 46,308 |
| Jul 13, 2026 | 3.33 | 3.63 | 3.33 | 3.53 | 3.53 | 6.65% | 63,720 |
| Jul 10, 2026 | 3.39 | 3.48 | 3.23 | 3.31 | 3.31 | -2.93% | 115,801 |
| Jul 9, 2026 | 3.23 | 3.48 | 3.23 | 3.41 | 3.41 | 4.28% | 63,666 |
| Jul 8, 2026 | 3.31 | 3.36 | 3.11 | 3.27 | 3.27 | -1.51% | 97,739 |
| Jul 7, 2026 | 3.42 | 3.43 | 3.28 | 3.32 | 3.32 | -3.49% | 57,899 |
| Jul 6, 2026 | 3.54 | 3.67 | 3.38 | 3.44 | 3.44 | -1.99% | 79,707 |
| Jul 2, 2026 | 3.37 | 3.59 | 3.37 | 3.51 | 3.51 | 4.46% | 114,422 |
| Jul 1, 2026 | 3.62 | 3.71 | 3.21 | 3.36 | 3.36 | -7.18% | 216,390 |
| Jun 30, 2026 | 3.65 | 3.73 | 3.53 | 3.62 | 3.62 | -2.16% | 75,506 |
| Jun 29, 2026 | 3.81 | 3.89 | 3.60 | 3.70 | 3.70 | -2.63% | 87,862 |
| Jun 26, 2026 | 3.93 | 4.01 | 3.64 | 3.80 | 3.80 | -3.31% | 104,354 |
| Jun 25, 2026 | 4.00 | 4.14 | 3.85 | 3.93 | 3.93 | 0.51% | 115,009 |
| Jun 24, 2026 | 3.83 | 4.40 | 3.81 | 3.91 | 3.91 | 1.56% | 482,012 |
| Jun 23, 2026 | 3.50 | 4.06 | 3.50 | 3.85 | 3.85 | 5.19% | 192,045 |
| Jun 22, 2026 | 3.70 | 3.84 | 3.54 | 3.66 | 3.66 | -3.68% | 110,067 |
| Jun 18, 2026 | 4.15 | 4.15 | 3.70 | 3.80 | 3.80 | -4.28% | 166,356 |