Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
6.86
-0.16 (-2.28%)
At close: May 29, 2026, 4:00 PM EDT
6.82
-0.04 (-0.58%)
After-hours: May 29, 2026, 7:54 PM EDT
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | 7.11 | 7.24 | 6.65 | 6.86 | 6.86 | -2.28% | 187,192 |
| May 28, 2026 | 7.56 | 7.62 | 6.43 | 7.02 | 7.02 | -8.12% | 540,611 |
| May 27, 2026 | 7.10 | 7.83 | 6.62 | 7.64 | 7.64 | 8.37% | 549,682 |
| May 26, 2026 | 10.51 | 10.81 | 6.56 | 7.05 | 7.05 | -23.70% | 1,773,767 |
| May 22, 2026 | 7.80 | 9.30 | 7.21 | 9.24 | 9.24 | 18.31% | 820,892 |
| May 21, 2026 | 8.10 | 8.25 | 7.45 | 7.81 | 7.81 | - | 477,524 |
| May 20, 2026 | 7.23 | 8.24 | 6.70 | 7.81 | 7.81 | 11.57% | 474,993 |
| May 19, 2026 | 6.58 | 7.18 | 6.35 | 7.00 | 7.00 | 11.64% | 334,761 |
| May 18, 2026 | 7.45 | 7.69 | 6.07 | 6.27 | 6.27 | -7.93% | 484,337 |
| May 15, 2026 | 6.78 | 7.40 | 6.60 | 6.81 | 6.81 | -0.87% | 380,072 |
| May 14, 2026 | 5.55 | 7.25 | 5.46 | 6.87 | 6.87 | 25.59% | 827,817 |
| May 13, 2026 | 5.19 | 5.70 | 5.08 | 5.47 | 5.47 | 5.19% | 157,563 |
| May 12, 2026 | 5.09 | 5.34 | 4.89 | 5.20 | 5.20 | 2.77% | 121,442 |
| May 11, 2026 | 4.79 | 5.34 | 4.60 | 5.06 | 5.06 | 3.69% | 173,011 |
| May 8, 2026 | 4.93 | 5.01 | 4.70 | 4.88 | 4.88 | -2.59% | 118,020 |
| May 7, 2026 | 5.25 | 5.41 | 4.85 | 5.01 | 5.01 | -5.11% | 184,599 |
| May 6, 2026 | 5.17 | 5.54 | 5.17 | 5.28 | 5.28 | -1.49% | 207,637 |
| May 5, 2026 | 5.23 | 5.59 | 5.15 | 5.36 | 5.36 | 3.08% | 244,081 |
| May 4, 2026 | 5.52 | 5.73 | 5.02 | 5.20 | 5.20 | -6.31% | 128,707 |
| May 1, 2026 | 5.73 | 6.16 | 5.39 | 5.55 | 5.55 | -3.14% | 360,008 |
| Apr 30, 2026 | 5.65 | 5.90 | 5.00 | 5.73 | 5.73 | 1.42% | 487,550 |
| Apr 29, 2026 | 5.43 | 5.70 | 4.62 | 5.65 | 5.65 | 5.21% | 671,652 |
| 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 |