Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
4.770
+0.940 (24.54%)
At close: Mar 27, 2026, 4:00 PM EDT
5.02
+0.25 (5.24%)
After-hours: Mar 27, 2026, 6:37 PM EDT
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 27, 2026 | 3.71 | 4.98 | 3.51 | 4.77 | 4.77 | 24.54% | 423,451 |
| Mar 26, 2026 | 4.20 | 4.41 | 3.60 | 3.83 | 3.83 | -11.95% | 277,863 |
| Mar 25, 2026 | 4.77 | 5.65 | 4.21 | 4.35 | 4.35 | -8.03% | 1,167,835 |
| Mar 24, 2026 | 3.04 | 4.83 | 3.01 | 4.73 | 4.73 | 52.58% | 2,942,956 |
| Mar 23, 2026 | 2.21 | 3.35 | 2.18 | 3.10 | 3.10 | 38.39% | 1,408,567 |
| Mar 20, 2026 | 2.32 | 2.38 | 2.20 | 2.24 | 2.24 | -5.08% | 73,081 |
| Mar 19, 2026 | 2.31 | 2.40 | 2.31 | 2.36 | 2.36 | -1.67% | 42,960 |
| Mar 18, 2026 | 2.37 | 2.46 | 2.33 | 2.40 | 2.40 | 0.21% | 72,389 |
| Mar 17, 2026 | 2.41 | 2.42 | 2.28 | 2.40 | 2.40 | 1.48% | 78,042 |
| Mar 16, 2026 | 2.47 | 2.48 | 2.32 | 2.36 | 2.36 | -4.84% | 178,771 |
| Mar 13, 2026 | 2.47 | 2.61 | 2.35 | 2.48 | 2.48 | -3.13% | 278,819 |
| Mar 12, 2026 | 2.23 | 3.20 | 2.11 | 2.56 | 2.56 | 21.90% | 3,184,891 |
| Mar 11, 2026 | 2.94 | 3.05 | 2.07 | 2.10 | 2.10 | -25.00% | 830,983 |
| Mar 10, 2026 | 3.36 | 3.51 | 2.80 | 2.80 | 2.80 | -16.67% | 340,561 |
| Mar 9, 2026 | 3.40 | 3.48 | 3.32 | 3.36 | 3.36 | -4.00% | 37,441 |
| Mar 6, 2026 | 3.53 | 3.75 | 3.45 | 3.50 | 3.50 | -2.51% | 53,664 |
| Mar 5, 2026 | 3.80 | 3.80 | 3.53 | 3.59 | 3.59 | -5.53% | 28,569 |
| Mar 4, 2026 | 3.76 | 3.90 | 3.65 | 3.80 | 3.80 | 1.33% | 42,171 |
| Mar 3, 2026 | 3.60 | 3.80 | 3.57 | 3.75 | 3.75 | 4.17% | 30,617 |
| Mar 2, 2026 | 3.50 | 3.65 | 3.41 | 3.60 | 3.60 | 1.41% | 45,568 |
| Feb 27, 2026 | 3.55 | 3.76 | 3.51 | 3.55 | 3.55 | -0.84% | 31,749 |
| Feb 26, 2026 | 3.77 | 3.83 | 3.55 | 3.58 | 3.58 | -5.54% | 30,049 |
| Feb 25, 2026 | 3.81 | 3.86 | 3.73 | 3.79 | 3.79 | -0.52% | 24,921 |
| Feb 24, 2026 | 3.53 | 3.84 | 3.53 | 3.81 | 3.81 | 7.63% | 23,147 |
| Feb 23, 2026 | 3.65 | 3.73 | 3.52 | 3.54 | 3.54 | -4.07% | 50,754 |
| Feb 20, 2026 | 3.72 | 4.00 | 3.63 | 3.69 | 3.69 | -0.81% | 34,711 |
| Feb 19, 2026 | 3.72 | 3.78 | 3.65 | 3.72 | 3.72 | 2.20% | 22,726 |
| Feb 18, 2026 | 3.65 | 3.80 | 3.51 | 3.64 | 3.64 | -1.89% | 53,957 |
| Feb 17, 2026 | 3.70 | 4.00 | 3.63 | 3.71 | 3.71 | 1.92% | 51,600 |
| Feb 13, 2026 | 3.66 | 3.85 | 3.62 | 3.64 | 3.64 | -0.27% | 21,147 |
| Feb 12, 2026 | 3.85 | 3.98 | 3.65 | 3.65 | 3.65 | -5.19% | 44,124 |
| Feb 11, 2026 | 4.00 | 4.04 | 3.80 | 3.85 | 3.85 | -2.53% | 41,068 |
| Feb 10, 2026 | 3.93 | 4.04 | 3.91 | 3.95 | 3.95 | 0.25% | 28,983 |
| Feb 9, 2026 | 4.01 | 4.05 | 3.80 | 3.94 | 3.94 | -6.19% | 50,357 |
| Feb 6, 2026 | 3.96 | 4.29 | 3.90 | 4.20 | 4.20 | 7.14% | 105,458 |
| Feb 5, 2026 | 3.88 | 4.15 | 3.75 | 3.92 | 3.92 | -2.00% | 80,678 |
| Feb 4, 2026 | 4.05 | 4.29 | 3.86 | 4.00 | 4.00 | -0.74% | 191,411 |
| Feb 3, 2026 | 4.24 | 4.30 | 4.00 | 4.03 | 4.03 | -4.95% | 65,019 |
| Feb 2, 2026 | 4.60 | 4.60 | 4.07 | 4.24 | 4.24 | -7.42% | 124,030 |
| Jan 30, 2026 | 4.90 | 4.98 | 4.50 | 4.58 | 4.58 | -5.95% | 48,562 |
| Jan 29, 2026 | 4.85 | 5.05 | 4.63 | 4.87 | 4.87 | -0.81% | 51,659 |
| Jan 28, 2026 | 5.20 | 5.29 | 4.80 | 4.91 | 4.91 | -4.66% | 82,585 |
| Jan 27, 2026 | 5.37 | 5.47 | 5.08 | 5.15 | 5.15 | -4.45% | 71,211 |
| Jan 26, 2026 | 6.18 | 6.18 | 5.25 | 5.39 | 5.39 | -12.78% | 116,136 |
| Jan 23, 2026 | 6.30 | 6.47 | 6.01 | 6.18 | 6.18 | -1.90% | 46,101 |
| Jan 22, 2026 | 6.60 | 6.77 | 6.05 | 6.30 | 6.30 | -1.87% | 69,753 |
| Jan 21, 2026 | 7.00 | 7.21 | 6.25 | 6.42 | 6.42 | -11.08% | 67,807 |
| Jan 20, 2026 | 7.00 | 7.29 | 6.93 | 7.22 | 7.22 | 2.41% | 82,548 |
| Jan 16, 2026 | 6.96 | 7.18 | 6.87 | 7.05 | 7.05 | 1.29% | 28,085 |
| Jan 15, 2026 | 6.90 | 7.05 | 6.85 | 6.96 | 6.96 | -0.71% | 39,805 |