Quantum Corporation (QMCO)
NASDAQ: QMCO · Real-Time Price · USD
5.30
-0.14 (-2.57%)
At close: Mar 13, 2026, 4:00 PM EDT
5.26
-0.04 (-0.75%)
After-hours: Mar 13, 2026, 7:30 PM EDT
Quantum Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 13, 2026 | 5.46 | 5.58 | 5.13 | 5.30 | 5.30 | -2.57% | 205,304 |
| Mar 12, 2026 | 5.61 | 5.73 | 5.33 | 5.44 | 5.44 | -5.23% | 293,915 |
| Mar 11, 2026 | 5.52 | 5.77 | 5.49 | 5.74 | 5.74 | 3.99% | 254,812 |
| Mar 10, 2026 | 5.36 | 5.61 | 5.35 | 5.52 | 5.52 | 2.60% | 268,238 |
| Mar 9, 2026 | 4.99 | 5.44 | 4.95 | 5.38 | 5.38 | 4.87% | 355,030 |
| Mar 6, 2026 | 4.88 | 5.41 | 4.88 | 5.13 | 5.13 | 0.59% | 480,477 |
| Mar 5, 2026 | 4.73 | 5.22 | 4.70 | 5.10 | 5.10 | 6.03% | 563,440 |
| Mar 4, 2026 | 4.78 | 4.94 | 4.56 | 4.81 | 4.81 | 3.66% | 770,978 |
| Mar 3, 2026 | 5.17 | 5.19 | 4.50 | 4.64 | 4.64 | -12.45% | 1,118,440 |
| Mar 2, 2026 | 5.13 | 5.51 | 5.13 | 5.30 | 5.30 | -3.28% | 397,636 |
| Feb 27, 2026 | 5.45 | 5.52 | 5.27 | 5.48 | 5.48 | -3.35% | 282,506 |
| Feb 26, 2026 | 5.51 | 5.69 | 5.43 | 5.67 | 5.67 | 4.04% | 359,086 |
| Feb 25, 2026 | 5.39 | 5.55 | 5.32 | 5.45 | 5.45 | 1.11% | 324,298 |
| Feb 24, 2026 | 5.18 | 5.47 | 5.10 | 5.39 | 5.39 | 2.67% | 329,932 |
| Feb 23, 2026 | 5.26 | 5.39 | 5.07 | 5.25 | 5.25 | -2.05% | 353,469 |
| Feb 20, 2026 | 5.43 | 5.70 | 5.25 | 5.36 | 5.36 | -3.60% | 389,863 |
| Feb 19, 2026 | 5.20 | 5.60 | 5.15 | 5.56 | 5.56 | 1.65% | 767,866 |
| Feb 18, 2026 | 6.42 | 6.45 | 5.43 | 5.47 | 5.47 | -2.50% | 1,558,861 |
| Feb 17, 2026 | 5.79 | 5.80 | 5.33 | 5.61 | 5.61 | -2.94% | 906,844 |
| Feb 13, 2026 | 5.89 | 5.95 | 5.69 | 5.78 | 5.78 | -0.17% | 188,776 |
| Feb 12, 2026 | 6.37 | 6.37 | 5.60 | 5.79 | 5.79 | -8.39% | 753,747 |
| Feb 11, 2026 | 6.26 | 6.42 | 5.96 | 6.32 | 6.32 | 2.60% | 413,573 |
| Feb 10, 2026 | 5.94 | 6.28 | 5.90 | 6.16 | 6.16 | 3.70% | 386,837 |
| Feb 9, 2026 | 5.86 | 6.09 | 5.61 | 5.94 | 5.94 | 0.85% | 491,066 |
| Feb 6, 2026 | 5.19 | 5.90 | 5.15 | 5.89 | 5.89 | 18.75% | 782,262 |
| Feb 5, 2026 | 5.70 | 5.80 | 4.89 | 4.96 | 4.96 | -14.63% | 767,728 |
| Feb 4, 2026 | 6.25 | 6.25 | 5.64 | 5.81 | 5.81 | -6.89% | 685,445 |
| Feb 3, 2026 | 6.39 | 6.39 | 6.03 | 6.24 | 6.24 | -0.32% | 375,595 |
| Feb 2, 2026 | 6.12 | 6.47 | 6.03 | 6.26 | 6.26 | 0.97% | 419,465 |
| Jan 30, 2026 | 6.45 | 6.51 | 6.11 | 6.20 | 6.20 | -5.20% | 591,698 |
| Jan 29, 2026 | 6.79 | 6.79 | 6.43 | 6.54 | 6.54 | -3.68% | 600,292 |
| Jan 28, 2026 | 6.93 | 7.10 | 6.70 | 6.79 | 6.79 | -2.72% | 487,408 |
| Jan 27, 2026 | 6.85 | 7.01 | 6.68 | 6.98 | 6.98 | 1.90% | 397,336 |
| Jan 26, 2026 | 7.02 | 7.02 | 6.70 | 6.85 | 6.85 | -2.42% | 492,282 |
| Jan 23, 2026 | 7.27 | 7.27 | 7.00 | 7.02 | 7.02 | -3.17% | 320,226 |
| Jan 22, 2026 | 7.33 | 7.50 | 7.13 | 7.25 | 7.25 | 0.83% | 512,184 |
| Jan 21, 2026 | 7.45 | 7.61 | 6.77 | 7.19 | 7.19 | -2.31% | 940,495 |
| Jan 20, 2026 | 7.51 | 7.81 | 7.23 | 7.36 | 7.36 | -6.72% | 756,314 |
| Jan 16, 2026 | 8.00 | 8.11 | 7.72 | 7.89 | 7.89 | -0.25% | 577,522 |
| Jan 15, 2026 | 8.06 | 8.24 | 7.55 | 7.91 | 7.91 | 5.61% | 1,390,474 |
| Jan 14, 2026 | 7.34 | 7.50 | 7.17 | 7.49 | 7.49 | 2.60% | 246,743 |
| Jan 13, 2026 | 7.54 | 7.58 | 7.21 | 7.30 | 7.30 | -2.80% | 333,798 |
| Jan 12, 2026 | 7.47 | 7.77 | 7.31 | 7.51 | 7.51 | -0.40% | 413,371 |
| Jan 9, 2026 | 7.86 | 7.90 | 7.45 | 7.54 | 7.54 | -2.46% | 364,362 |
| Jan 8, 2026 | 7.39 | 7.98 | 7.35 | 7.73 | 7.73 | 3.76% | 535,691 |
| Jan 7, 2026 | 7.85 | 7.87 | 7.38 | 7.45 | 7.45 | -6.76% | 522,847 |
| Jan 6, 2026 | 7.87 | 8.08 | 7.46 | 7.99 | 7.99 | 4.17% | 487,599 |
| Jan 5, 2026 | 7.13 | 8.10 | 7.12 | 7.67 | 7.67 | 9.57% | 963,395 |
| Jan 2, 2026 | 6.72 | 7.03 | 6.67 | 7.00 | 7.00 | 8.53% | 500,970 |
| Dec 31, 2025 | 6.73 | 6.81 | 6.22 | 6.45 | 6.45 | -4.44% | 1,184,655 |