Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
10.52
-0.55 (-4.97%)
At close: Nov 3, 2025, 4:00 PM EST
10.45
-0.07 (-0.65%)
After-hours: Nov 3, 2025, 4:47 PM EST
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 3, 2025 | 10.74 | 10.74 | 9.33 | 10.40 | - | -6.05% | 76,313 |
| Oct 31, 2025 | 12.21 | 12.46 | 11.00 | 11.07 | 11.07 | -11.72% | 88,313 |
| Oct 30, 2025 | 12.51 | 13.37 | 11.50 | 12.54 | 12.54 | -2.41% | 44,188 |
| Oct 29, 2025 | 12.96 | 13.88 | 12.75 | 12.85 | 12.85 | -0.85% | 52,290 |
| Oct 28, 2025 | 13.35 | 13.75 | 12.75 | 12.96 | 12.96 | -3.50% | 65,354 |
| Oct 27, 2025 | 13.95 | 14.85 | 13.30 | 13.43 | 13.43 | -3.38% | 80,089 |
| Oct 24, 2025 | 14.75 | 14.86 | 13.82 | 13.90 | 13.90 | -3.74% | 83,641 |
| Oct 23, 2025 | 14.27 | 14.50 | 13.60 | 14.44 | 14.44 | 6.02% | 132,465 |
| Oct 22, 2025 | 14.52 | 14.55 | 13.01 | 13.62 | 13.62 | -7.16% | 61,135 |
| Oct 21, 2025 | 14.30 | 15.00 | 14.12 | 14.67 | 14.67 | 1.80% | 41,183 |
| Oct 20, 2025 | 14.31 | 15.13 | 13.81 | 14.41 | 14.41 | 1.77% | 70,109 |
| Oct 17, 2025 | 14.24 | 14.48 | 13.70 | 14.16 | 14.16 | -6.04% | 59,085 |
| Oct 16, 2025 | 15.14 | 15.50 | 14.73 | 15.07 | 15.07 | -0.53% | 45,664 |
| Oct 15, 2025 | 16.16 | 16.36 | 14.80 | 15.15 | 15.15 | -5.25% | 68,339 |
| Oct 14, 2025 | 15.29 | 16.33 | 14.82 | 15.99 | 15.99 | 5.27% | 98,115 |
| Oct 13, 2025 | 14.43 | 15.52 | 14.43 | 15.19 | 15.19 | 4.69% | 73,988 |
| Oct 10, 2025 | 15.30 | 15.94 | 14.50 | 14.51 | 14.51 | -5.23% | 93,439 |
| Oct 9, 2025 | 16.00 | 16.00 | 15.11 | 15.31 | 15.31 | -2.92% | 72,672 |
| Oct 8, 2025 | 17.47 | 17.50 | 15.64 | 15.77 | 15.77 | -8.21% | 163,602 |
| Oct 7, 2025 | 17.90 | 18.13 | 16.50 | 17.18 | 17.18 | -3.89% | 142,511 |
| Oct 6, 2025 | 18.67 | 18.87 | 17.66 | 17.88 | 17.88 | -3.12% | 123,449 |
| Oct 3, 2025 | 18.50 | 19.00 | 17.37 | 18.45 | 18.45 | 1.93% | 182,715 |
| Oct 2, 2025 | 17.06 | 19.30 | 16.52 | 18.10 | 18.10 | 9.50% | 225,403 |
| Oct 1, 2025 | 16.48 | 17.11 | 16.00 | 16.53 | 16.53 | 0.79% | 53,733 |
| Sep 30, 2025 | 16.02 | 16.46 | 15.44 | 16.40 | 16.40 | 1.30% | 67,799 |
| Sep 29, 2025 | 16.04 | 16.98 | 15.90 | 16.19 | 16.19 | -0.80% | 100,460 |
| Sep 26, 2025 | 17.23 | 17.69 | 15.55 | 16.32 | 16.32 | -4.39% | 126,968 |
| Sep 25, 2025 | 17.00 | 17.75 | 16.51 | 17.07 | 17.07 | -0.35% | 67,040 |
| Sep 24, 2025 | 18.35 | 18.35 | 16.65 | 17.13 | 17.13 | -6.70% | 91,324 |
| Sep 23, 2025 | 18.49 | 19.42 | 18.00 | 18.36 | 18.36 | -0.70% | 81,918 |
| Sep 22, 2025 | 19.17 | 19.17 | 18.00 | 18.49 | 18.49 | -2.01% | 89,000 |
| Sep 19, 2025 | 20.42 | 21.00 | 18.51 | 18.87 | 18.87 | -5.60% | 192,268 |
| Sep 18, 2025 | 18.22 | 20.20 | 18.22 | 19.99 | 19.99 | 12.49% | 171,505 |
| Sep 17, 2025 | 16.76 | 18.00 | 16.45 | 17.77 | 17.77 | 6.73% | 126,656 |
| Sep 16, 2025 | 17.91 | 18.75 | 16.48 | 16.65 | 16.65 | -4.31% | 152,717 |
| Sep 15, 2025 | 16.66 | 17.74 | 15.60 | 17.40 | 17.40 | 0.99% | 99,043 |
| Sep 12, 2025 | 14.85 | 17.50 | 14.85 | 17.23 | 17.23 | 7.55% | 149,229 |
| Sep 11, 2025 | 15.52 | 16.40 | 15.00 | 16.02 | 16.02 | -0.93% | 207,415 |
| Sep 10, 2025 | 13.16 | 17.79 | 12.91 | 16.17 | 16.17 | 27.42% | 482,589 |
| Sep 9, 2025 | 12.74 | 13.45 | 12.52 | 12.69 | 12.69 | -2.38% | 122,469 |
| Sep 8, 2025 | 13.85 | 13.90 | 12.14 | 13.00 | 13.00 | -7.51% | 221,509 |
| Sep 5, 2025 | 14.58 | 14.64 | 13.70 | 14.06 | 14.06 | -1.64% | 117,656 |
| Sep 4, 2025 | 15.38 | 15.69 | 14.07 | 14.29 | 14.29 | -8.98% | 120,351 |
| Sep 3, 2025 | 16.75 | 16.86 | 15.51 | 15.70 | 15.70 | -3.71% | 162,100 |
| Sep 2, 2025 | 17.00 | 17.65 | 16.21 | 16.31 | 16.31 | -3.23% | 98,635 |
| Aug 29, 2025 | 17.40 | 17.50 | 16.48 | 16.85 | 16.85 | -2.32% | 55,340 |
| Aug 28, 2025 | 16.96 | 18.08 | 16.56 | 17.25 | 17.25 | 2.99% | 90,287 |
| Aug 27, 2025 | 16.00 | 18.13 | 16.00 | 16.75 | 16.75 | 2.45% | 98,183 |
| Aug 26, 2025 | 17.78 | 17.92 | 16.25 | 16.35 | 16.35 | -7.65% | 105,430 |
| Aug 25, 2025 | 18.20 | 18.45 | 17.48 | 17.71 | 17.71 | -2.10% | 70,398 |