Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
4.880
-0.130 (-2.59%)
At close: May 8, 2026, 4:00 PM EDT
4.980
+0.100 (2.05%)
After-hours: May 8, 2026, 7:18 PM EDT
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 8, 2026 | 4.93 | 5.01 | 4.70 | 4.88 | 4.88 | -2.59% | 117,893 |
| May 7, 2026 | 5.25 | 5.41 | 4.85 | 5.01 | 5.01 | -5.11% | 180,904 |
| May 6, 2026 | 5.17 | 5.54 | 5.17 | 5.28 | 5.28 | -1.49% | 205,686 |
| May 5, 2026 | 5.23 | 5.59 | 5.15 | 5.36 | 5.36 | 3.08% | 244,050 |
| May 4, 2026 | 5.52 | 5.73 | 5.02 | 5.20 | 5.20 | -6.31% | 125,397 |
| May 1, 2026 | 5.73 | 6.16 | 5.39 | 5.55 | 5.55 | -3.14% | 341,420 |
| Apr 30, 2026 | 5.65 | 5.90 | 5.00 | 5.73 | 5.73 | 1.42% | 483,824 |
| Apr 29, 2026 | 5.43 | 5.70 | 4.62 | 5.65 | 5.65 | 5.21% | 665,646 |
| Apr 28, 2026 | 4.36 | 5.60 | 4.36 | 5.37 | 5.37 | 20.67% | 932,159 |
| Apr 27, 2026 | 3.65 | 4.98 | 3.61 | 4.45 | 4.45 | 23.27% | 1,965,720 |
| Apr 24, 2026 | 3.26 | 3.65 | 3.18 | 3.61 | 3.61 | 12.46% | 248,698 |
| Apr 23, 2026 | 3.34 | 3.37 | 3.11 | 3.21 | 3.21 | -4.18% | 138,402 |
| Apr 22, 2026 | 3.53 | 3.90 | 3.20 | 3.35 | 3.35 | -2.62% | 442,186 |
| Apr 21, 2026 | 3.20 | 3.94 | 3.15 | 3.44 | 3.44 | 10.26% | 1,191,211 |
| Apr 20, 2026 | 3.15 | 3.20 | 3.05 | 3.12 | 3.12 | - | 77,523 |
| Apr 17, 2026 | 3.24 | 3.32 | 3.05 | 3.12 | 3.12 | -1.58% | 155,938 |
| Apr 16, 2026 | 3.12 | 3.33 | 3.07 | 3.17 | 3.17 | 3.26% | 197,783 |
| Apr 15, 2026 | 2.97 | 3.26 | 2.97 | 3.07 | 3.07 | 1.66% | 208,278 |
| Apr 14, 2026 | 3.36 | 3.44 | 2.80 | 3.02 | 3.02 | -9.99% | 431,205 |
| Apr 13, 2026 | 3.51 | 3.68 | 3.26 | 3.36 | 3.36 | -4.82% | 143,796 |
| Apr 10, 2026 | 3.26 | 3.68 | 3.25 | 3.53 | 3.53 | 7.80% | 111,308 |
| Apr 9, 2026 | 3.67 | 3.76 | 3.18 | 3.27 | 3.27 | -11.14% | 203,172 |
| Apr 8, 2026 | 4.01 | 4.12 | 3.60 | 3.68 | 3.68 | -5.15% | 254,248 |
| Apr 7, 2026 | 3.61 | 3.99 | 3.53 | 3.88 | 3.88 | 8.38% | 174,180 |
| Apr 6, 2026 | 3.92 | 3.95 | 3.54 | 3.58 | 3.58 | -10.05% | 264,405 |
| Apr 2, 2026 | 4.45 | 4.60 | 3.87 | 3.98 | 3.98 | -9.75% | 443,750 |
| Apr 1, 2026 | 5.08 | 6.21 | 4.40 | 4.41 | 4.41 | -8.70% | 1,158,071 |
| Mar 31, 2026 | 4.22 | 4.86 | 3.81 | 4.83 | 4.83 | 12.85% | 415,000 |
| Mar 30, 2026 | 5.05 | 6.47 | 3.95 | 4.28 | 4.28 | -10.27% | 2,255,970 |
| Mar 27, 2026 | 3.71 | 4.98 | 3.51 | 4.77 | 4.77 | 24.54% | 463,453 |
| Mar 26, 2026 | 4.20 | 4.41 | 3.60 | 3.83 | 3.83 | -11.95% | 281,117 |
| Mar 25, 2026 | 4.77 | 5.65 | 4.21 | 4.35 | 4.35 | -8.03% | 1,172,585 |
| 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 |