Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
2.940
-0.170 (-5.47%)
At close: Oct 9, 2026, 4:00 PM EDT
2.980
+0.040 (1.36%)
After-hours: Oct 9, 2026, 7:42 PM EDT
Quantum BioPharma Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | 3.11 | 3.11 | 2.94 | 2.94 | 2.94 | -5.47% | 129,480 |
| Oct 8, 2026 | 3.10 | 3.23 | 3.10 | 3.11 | 3.11 | -1.11% | 77,254 |
| Oct 7, 2026 | 3.07 | 3.16 | 3.02 | 3.15 | 3.15 | 1.78% | 147,273 |
| Oct 6, 2026 | 3.34 | 3.39 | 3.05 | 3.09 | 3.09 | -5.50% | 614,799 |
| Oct 5, 2026 | 3.40 | 3.49 | 3.25 | 3.27 | 3.27 | -4.94% | 243,806 |
| Oct 2, 2026 | 3.38 | 3.47 | 3.32 | 3.44 | 3.44 | 0.44% | 79,206 |
| Oct 1, 2026 | 3.56 | 3.66 | 3.40 | 3.43 | 3.43 | -4.86% | 81,778 |
| Sep 30, 2026 | 3.72 | 3.80 | 3.53 | 3.60 | 3.60 | -5.76% | 112,850 |
| Sep 29, 2026 | 3.95 | 3.96 | 3.71 | 3.82 | 3.82 | -3.54% | 120,202 |
| Sep 28, 2026 | 3.86 | 3.99 | 3.67 | 3.96 | 3.96 | 2.86% | 140,274 |
| Sep 25, 2026 | 4.00 | 4.00 | 3.80 | 3.85 | 3.85 | -3.75% | 193,375 |
| Sep 24, 2026 | 4.00 | 4.30 | 3.82 | 4.00 | 4.00 | 3.09% | 564,460 |
| Sep 23, 2026 | 3.65 | 4.34 | 3.65 | 3.88 | 3.88 | 4.86% | 645,261 |
| Sep 22, 2026 | 3.66 | 3.90 | 3.60 | 3.70 | 3.70 | 2.49% | 193,807 |
| Sep 21, 2026 | 3.65 | 3.82 | 3.52 | 3.61 | 3.61 | -1.37% | 78,608 |
| Sep 18, 2026 | 3.69 | 3.83 | 3.62 | 3.66 | 3.66 | -1.61% | 96,453 |
| Sep 17, 2026 | 3.63 | 3.88 | 3.63 | 3.72 | 3.72 | 1.92% | 191,750 |
| Sep 16, 2026 | 3.48 | 3.69 | 3.39 | 3.65 | 3.65 | 5.49% | 200,171 |
| Sep 15, 2026 | 3.43 | 3.50 | 3.25 | 3.46 | 3.46 | - | 103,597 |
| Sep 14, 2026 | 3.22 | 3.59 | 3.14 | 3.46 | 3.46 | 8.12% | 173,404 |
| Sep 11, 2026 | 3.32 | 3.39 | 3.20 | 3.20 | 3.20 | -2.74% | 200,785 |
| Sep 10, 2026 | 3.54 | 3.60 | 3.08 | 3.29 | 3.29 | -8.10% | 239,079 |
| Sep 9, 2026 | 3.34 | 3.74 | 3.33 | 3.58 | 3.58 | 8.81% | 445,639 |
| Sep 8, 2026 | 3.28 | 3.37 | 3.06 | 3.29 | 3.29 | 1.54% | 131,192 |
| Sep 4, 2026 | 3.01 | 3.27 | 2.99 | 3.24 | 3.24 | 9.83% | 110,980 |
| Sep 3, 2026 | 3.10 | 3.19 | 2.91 | 2.95 | 2.95 | -4.22% | 114,172 |
| Sep 2, 2026 | 3.07 | 3.14 | 3.00 | 3.08 | 3.08 | 1.32% | 51,425 |
| Sep 1, 2026 | 3.14 | 3.23 | 3.02 | 3.04 | 3.04 | -4.10% | 83,216 |
| Aug 31, 2026 | 3.02 | 3.23 | 3.02 | 3.17 | 3.17 | 3.09% | 82,250 |
| Aug 28, 2026 | 3.15 | 3.21 | 3.07 | 3.08 | 3.08 | -1.76% | 87,321 |
| Aug 27, 2026 | 3.08 | 3.24 | 3.03 | 3.13 | 3.13 | 1.95% | 58,816 |
| Aug 26, 2026 | 3.28 | 3.37 | 3.06 | 3.07 | 3.07 | -6.40% | 124,175 |
| Aug 25, 2026 | 3.36 | 3.43 | 3.12 | 3.28 | 3.28 | 1.23% | 143,782 |
| Aug 24, 2026 | 3.44 | 3.45 | 3.13 | 3.24 | 3.24 | -5.81% | 205,520 |
| Aug 21, 2026 | 3.49 | 3.58 | 3.35 | 3.44 | 3.44 | - | 137,939 |
| Aug 20, 2026 | 3.52 | 3.52 | 3.36 | 3.44 | 3.44 | -2.27% | 149,816 |
| Aug 19, 2026 | 3.61 | 3.85 | 3.27 | 3.52 | 3.52 | 5.39% | 280,599 |
| Aug 18, 2026 | 3.68 | 3.73 | 3.23 | 3.34 | 3.34 | -9.24% | 310,844 |
| Aug 17, 2026 | 3.98 | 4.20 | 3.47 | 3.68 | 3.68 | -3.16% | 1,223,462 |
| Aug 14, 2026 | 3.34 | 3.95 | 3.31 | 3.80 | 3.80 | 17.65% | 277,303 |
| Aug 13, 2026 | 3.43 | 3.47 | 3.11 | 3.23 | 3.23 | -7.18% | 223,531 |
| Aug 12, 2026 | 3.60 | 3.67 | 3.37 | 3.48 | 3.48 | -1.97% | 152,095 |
| Aug 11, 2026 | 3.52 | 3.84 | 3.47 | 3.55 | 3.55 | 2.60% | 475,003 |
| Aug 10, 2026 | 3.40 | 4.08 | 3.24 | 3.46 | 3.46 | 0.29% | 1,827,179 |
| Aug 7, 2026 | 3.29 | 3.70 | 3.22 | 3.45 | 3.45 | 6.81% | 181,982 |
| 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 |