Quantum Corporation (QMCO)
NASDAQ: QMCO · Real-Time Price · USD
9.03
-0.72 (-7.38%)
At close: Dec 12, 2025, 4:00 PM EST
9.04
+0.01 (0.11%)
After-hours: Dec 12, 2025, 7:35 PM EST
Quantum Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | 9.75 | 9.80 | 8.89 | 9.03 | 9.03 | -7.38% | 553,875 |
| Dec 11, 2025 | 9.39 | 10.01 | 9.25 | 9.75 | 9.75 | 2.74% | 668,050 |
| Dec 10, 2025 | 9.03 | 9.75 | 8.76 | 9.49 | 9.49 | 4.98% | 754,409 |
| Dec 9, 2025 | 8.98 | 9.09 | 8.41 | 9.04 | 9.04 | -0.66% | 384,049 |
| Dec 8, 2025 | 8.81 | 9.13 | 8.69 | 9.10 | 9.10 | 4.36% | 359,872 |
| Dec 5, 2025 | 8.73 | 8.98 | 8.50 | 8.72 | 8.72 | -0.23% | 490,673 |
| Dec 4, 2025 | 8.16 | 8.76 | 8.06 | 8.74 | 8.74 | 5.81% | 612,859 |
| Dec 3, 2025 | 7.71 | 8.26 | 7.63 | 8.26 | 8.26 | 6.99% | 325,274 |
| Dec 2, 2025 | 7.56 | 7.82 | 7.52 | 7.72 | 7.72 | 2.39% | 235,794 |
| Dec 1, 2025 | 7.52 | 7.75 | 7.43 | 7.54 | 7.54 | -3.95% | 258,668 |
| Nov 28, 2025 | 7.58 | 7.91 | 7.49 | 7.85 | 7.85 | 4.95% | 299,217 |
| Nov 26, 2025 | 6.90 | 7.63 | 6.90 | 7.48 | 7.48 | 7.63% | 468,414 |
| Nov 25, 2025 | 6.97 | 7.01 | 6.56 | 6.95 | 6.95 | -0.29% | 565,730 |
| Nov 24, 2025 | 7.00 | 7.11 | 6.87 | 6.97 | 6.97 | -0.14% | 650,177 |
| Nov 21, 2025 | 7.09 | 7.16 | 6.55 | 6.98 | 6.98 | -4.51% | 969,609 |
| Nov 20, 2025 | 7.92 | 8.30 | 7.26 | 7.31 | 7.31 | -4.32% | 826,586 |
| Nov 19, 2025 | 7.64 | 7.83 | 7.42 | 7.64 | 7.64 | -0.91% | 505,899 |
| Nov 18, 2025 | 7.29 | 7.81 | 7.26 | 7.71 | 7.71 | 4.33% | 623,464 |
| Nov 17, 2025 | 7.34 | 8.03 | 7.27 | 7.39 | 7.39 | -6.10% | 895,069 |
| Nov 14, 2025 | 7.45 | 8.48 | 7.43 | 7.87 | 7.87 | 11.95% | 2,204,305 |
| Nov 13, 2025 | 7.36 | 7.50 | 6.90 | 7.03 | 7.03 | -8.70% | 808,219 |
| Nov 12, 2025 | 7.79 | 7.93 | 7.51 | 7.70 | 7.70 | -2.28% | 437,851 |
| Nov 11, 2025 | 8.00 | 8.08 | 7.75 | 7.88 | 7.88 | -3.79% | 320,716 |
| Nov 10, 2025 | 8.45 | 8.45 | 7.92 | 8.19 | 8.19 | 0.12% | 502,203 |
| Nov 7, 2025 | 7.68 | 8.20 | 7.36 | 8.18 | 8.18 | 1.61% | 838,633 |
| Nov 6, 2025 | 8.39 | 8.39 | 7.75 | 8.05 | 8.05 | -1.83% | 711,414 |
| Nov 5, 2025 | 8.50 | 8.68 | 8.18 | 8.20 | 8.20 | -3.42% | 677,720 |
| Nov 4, 2025 | 8.92 | 9.18 | 8.45 | 8.49 | 8.49 | -9.58% | 744,572 |
| Nov 3, 2025 | 9.40 | 9.49 | 8.98 | 9.39 | 9.39 | -0.53% | 676,147 |
| Oct 31, 2025 | 9.49 | 9.53 | 9.17 | 9.44 | 9.44 | 0.43% | 866,337 |
| Oct 30, 2025 | 9.38 | 9.57 | 9.27 | 9.40 | 9.40 | -2.39% | 605,606 |
| Oct 29, 2025 | 10.06 | 10.16 | 9.41 | 9.63 | 9.63 | -4.18% | 1,265,985 |
| Oct 28, 2025 | 10.00 | 10.33 | 9.83 | 10.05 | 10.05 | -0.89% | 1,074,740 |
| Oct 27, 2025 | 10.98 | 11.03 | 10.01 | 10.14 | 10.14 | -3.06% | 1,499,203 |
| Oct 24, 2025 | 10.54 | 11.28 | 10.42 | 10.46 | 10.46 | 2.05% | 1,247,687 |
| Oct 23, 2025 | 10.39 | 10.51 | 9.95 | 10.25 | 10.25 | 9.98% | 1,535,493 |
| Oct 22, 2025 | 9.65 | 9.68 | 8.90 | 9.32 | 9.32 | -5.95% | 1,284,327 |
| Oct 21, 2025 | 10.30 | 10.34 | 9.77 | 9.91 | 9.91 | -4.25% | 860,854 |
| Oct 20, 2025 | 10.68 | 10.88 | 10.33 | 10.35 | 10.35 | 0.58% | 866,302 |
| Oct 17, 2025 | 10.99 | 11.10 | 10.25 | 10.29 | 10.29 | -7.96% | 1,190,809 |
| Oct 16, 2025 | 12.50 | 12.62 | 11.05 | 11.18 | 11.18 | -10.13% | 1,457,257 |
| Oct 15, 2025 | 13.12 | 13.42 | 11.94 | 12.44 | 12.44 | -1.97% | 2,150,491 |
| Oct 14, 2025 | 11.67 | 13.13 | 11.18 | 12.69 | 12.69 | 7.54% | 2,884,258 |
| Oct 13, 2025 | 11.56 | 12.20 | 11.50 | 11.80 | 11.80 | 7.66% | 2,020,195 |
| Oct 10, 2025 | 12.66 | 13.00 | 10.92 | 10.96 | 10.96 | -12.60% | 2,761,477 |
| Oct 9, 2025 | 12.85 | 13.39 | 12.12 | 12.54 | 12.54 | -3.09% | 1,786,438 |
| Oct 8, 2025 | 13.24 | 13.64 | 12.37 | 12.94 | 12.94 | -3.07% | 3,058,397 |
| Oct 7, 2025 | 12.50 | 15.33 | 12.10 | 13.35 | 13.35 | 12.09% | 9,097,251 |
| Oct 6, 2025 | 11.50 | 12.06 | 10.90 | 11.91 | 11.91 | 1.28% | 2,423,427 |
| Oct 3, 2025 | 11.59 | 12.72 | 11.55 | 11.76 | 11.76 | 7.69% | 5,414,865 |