Quantum Corporation (QMCO)
NASDAQ: QMCO · Real-Time Price · USD
6.72
-0.20 (-2.89%)
At close: Apr 28, 2026, 4:00 PM EDT
6.77
+0.05 (0.74%)
Pre-market: Apr 29, 2026, 6:36 AM EDT
Quantum Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 6.80 | 6.87 | 6.58 | 6.72 | 6.72 | -2.89% | 205,870 |
| Apr 27, 2026 | 7.08 | 7.17 | 6.70 | 6.92 | 6.92 | -3.49% | 342,540 |
| Apr 24, 2026 | 7.26 | 7.66 | 7.15 | 7.17 | 7.17 | 1.85% | 599,539 |
| Apr 23, 2026 | 7.16 | 7.18 | 6.88 | 7.04 | 7.04 | -1.95% | 269,291 |
| Apr 22, 2026 | 7.14 | 7.45 | 7.10 | 7.18 | 7.18 | 3.01% | 219,919 |
| Apr 21, 2026 | 7.13 | 7.35 | 6.93 | 6.97 | 6.97 | -3.19% | 256,720 |
| Apr 20, 2026 | 7.07 | 7.25 | 7.02 | 7.20 | 7.20 | -1.10% | 232,252 |
| Apr 17, 2026 | 7.18 | 7.51 | 7.00 | 7.28 | 7.28 | 2.97% | 523,529 |
| Apr 16, 2026 | 7.31 | 7.31 | 6.66 | 7.07 | 7.07 | -2.48% | 581,100 |
| Apr 15, 2026 | 7.14 | 7.46 | 6.91 | 7.25 | 7.25 | 4.92% | 976,992 |
| Apr 14, 2026 | 6.43 | 7.12 | 6.35 | 6.91 | 6.91 | 7.63% | 1,193,756 |
| Apr 13, 2026 | 5.93 | 6.47 | 5.85 | 6.42 | 6.42 | 6.29% | 350,790 |
| Apr 10, 2026 | 5.95 | 6.25 | 5.88 | 6.04 | 6.04 | 2.55% | 194,565 |
| Apr 9, 2026 | 5.95 | 6.10 | 5.73 | 5.89 | 5.89 | -3.13% | 363,359 |
| Apr 8, 2026 | 6.47 | 6.52 | 5.92 | 6.08 | 6.08 | -0.33% | 392,261 |
| Apr 7, 2026 | 5.89 | 6.22 | 5.80 | 6.10 | 6.10 | -0.81% | 383,528 |
| Apr 6, 2026 | 5.68 | 6.37 | 5.64 | 6.15 | 6.15 | 8.27% | 534,164 |
| Apr 2, 2026 | 4.81 | 5.74 | 4.81 | 5.68 | 5.68 | 12.92% | 585,424 |
| Apr 1, 2026 | 4.85 | 5.24 | 4.81 | 5.03 | 5.03 | 5.89% | 335,757 |
| Mar 31, 2026 | 4.34 | 4.83 | 4.25 | 4.75 | 4.75 | 10.21% | 669,263 |
| Mar 30, 2026 | 4.75 | 4.81 | 4.19 | 4.31 | 4.31 | -7.91% | 632,147 |
| Mar 27, 2026 | 5.09 | 5.09 | 4.63 | 4.68 | 4.68 | -10.34% | 492,450 |
| Mar 26, 2026 | 5.42 | 5.76 | 5.17 | 5.22 | 5.22 | -7.77% | 346,053 |
| Mar 25, 2026 | 5.35 | 5.94 | 5.16 | 5.66 | 5.66 | 10.76% | 751,001 |
| Mar 24, 2026 | 5.19 | 5.40 | 5.06 | 5.11 | 5.11 | -2.85% | 143,654 |
| Mar 23, 2026 | 5.12 | 5.33 | 5.07 | 5.26 | 5.26 | 5.84% | 178,145 |
| Mar 20, 2026 | 5.16 | 5.16 | 4.87 | 4.97 | 4.97 | -4.24% | 195,757 |
| Mar 19, 2026 | 5.18 | 5.25 | 4.96 | 5.19 | 5.19 | -2.08% | 271,349 |
| Mar 18, 2026 | 5.45 | 5.63 | 5.29 | 5.30 | 5.30 | -3.99% | 244,818 |
| Mar 17, 2026 | 5.52 | 5.66 | 5.38 | 5.52 | 5.52 | -0.36% | 165,976 |
| Mar 16, 2026 | 5.40 | 5.56 | 5.30 | 5.54 | 5.54 | 4.53% | 158,089 |
| Mar 13, 2026 | 5.46 | 5.58 | 5.13 | 5.30 | 5.30 | -2.57% | 205,886 |
| Mar 12, 2026 | 5.61 | 5.73 | 5.33 | 5.44 | 5.44 | -5.23% | 294,589 |
| Mar 11, 2026 | 5.52 | 5.77 | 5.49 | 5.74 | 5.74 | 3.99% | 256,998 |
| Mar 10, 2026 | 5.36 | 5.61 | 5.35 | 5.52 | 5.52 | 2.60% | 269,585 |
| Mar 9, 2026 | 4.99 | 5.44 | 4.95 | 5.38 | 5.38 | 4.87% | 356,788 |
| Mar 6, 2026 | 4.88 | 5.41 | 4.88 | 5.13 | 5.13 | 0.59% | 480,485 |
| Mar 5, 2026 | 4.73 | 5.22 | 4.70 | 5.10 | 5.10 | 6.03% | 568,182 |
| Mar 4, 2026 | 4.78 | 4.94 | 4.56 | 4.81 | 4.81 | 3.66% | 785,651 |
| Mar 3, 2026 | 5.17 | 5.19 | 4.50 | 4.64 | 4.64 | -12.45% | 1,130,183 |
| Mar 2, 2026 | 5.13 | 5.51 | 5.13 | 5.30 | 5.30 | -3.28% | 398,883 |
| Feb 27, 2026 | 5.45 | 5.52 | 5.27 | 5.48 | 5.48 | -3.35% | 283,778 |
| Feb 26, 2026 | 5.51 | 5.69 | 5.43 | 5.67 | 5.67 | 4.04% | 361,733 |
| Feb 25, 2026 | 5.39 | 5.55 | 5.32 | 5.45 | 5.45 | 1.11% | 324,882 |
| Feb 24, 2026 | 5.18 | 5.47 | 5.10 | 5.39 | 5.39 | 2.67% | 333,633 |
| Feb 23, 2026 | 5.26 | 5.39 | 5.07 | 5.25 | 5.25 | -2.05% | 358,348 |
| Feb 20, 2026 | 5.43 | 5.70 | 5.25 | 5.36 | 5.36 | -3.60% | 391,549 |
| Feb 19, 2026 | 5.20 | 5.60 | 5.15 | 5.56 | 5.56 | 1.65% | 776,094 |
| Feb 18, 2026 | 6.42 | 6.45 | 5.43 | 5.47 | 5.47 | -2.50% | 1,576,574 |
| Feb 17, 2026 | 5.79 | 5.80 | 5.33 | 5.61 | 5.61 | -2.94% | 1,639,057 |
| Feb 13, 2026 | 5.89 | 5.95 | 5.69 | 5.78 | 5.78 | -0.17% | 188,852 |
| Feb 12, 2026 | 6.37 | 6.37 | 5.60 | 5.79 | 5.79 | -8.39% | 755,500 |
| Feb 11, 2026 | 6.26 | 6.42 | 5.96 | 6.32 | 6.32 | 2.60% | 415,594 |
| Feb 10, 2026 | 5.94 | 6.28 | 5.90 | 6.16 | 6.16 | 3.70% | 388,177 |
| Feb 9, 2026 | 5.86 | 6.09 | 5.61 | 5.94 | 5.94 | 0.85% | 493,464 |
| Feb 6, 2026 | 5.19 | 5.90 | 5.15 | 5.89 | 5.89 | 18.75% | 786,299 |
| Feb 5, 2026 | 5.70 | 5.80 | 4.89 | 4.96 | 4.96 | -14.63% | 786,659 |
| Feb 4, 2026 | 6.25 | 6.25 | 5.64 | 5.81 | 5.81 | -6.89% | 702,644 |
| Feb 3, 2026 | 6.39 | 6.39 | 6.03 | 6.24 | 6.24 | -0.32% | 377,506 |
| Feb 2, 2026 | 6.12 | 6.47 | 6.03 | 6.26 | 6.26 | 0.97% | 425,184 |
| Jan 30, 2026 | 6.45 | 6.51 | 6.11 | 6.20 | 6.20 | -5.20% | 591,878 |
| Jan 29, 2026 | 6.79 | 6.79 | 6.43 | 6.54 | 6.54 | -3.68% | 600,984 |
| Jan 28, 2026 | 6.93 | 7.10 | 6.70 | 6.79 | 6.79 | -2.72% | 488,120 |
| Jan 27, 2026 | 6.85 | 7.01 | 6.68 | 6.98 | 6.98 | 1.90% | 400,980 |
| Jan 26, 2026 | 7.02 | 7.02 | 6.70 | 6.85 | 6.85 | -2.42% | 493,698 |
| Jan 23, 2026 | 7.27 | 7.27 | 7.00 | 7.02 | 7.02 | -3.17% | 321,413 |
| Jan 22, 2026 | 7.33 | 7.50 | 7.13 | 7.25 | 7.25 | 0.83% | 512,733 |
| Jan 21, 2026 | 7.45 | 7.61 | 6.77 | 7.19 | 7.19 | -2.31% | 945,503 |
| Jan 20, 2026 | 7.51 | 7.81 | 7.23 | 7.36 | 7.36 | -6.72% | 761,193 |
| Jan 16, 2026 | 8.00 | 8.11 | 7.72 | 7.89 | 7.89 | -0.25% | 578,393 |
| Jan 15, 2026 | 8.06 | 8.24 | 7.55 | 7.91 | 7.91 | 5.61% | 1,392,811 |
| Jan 14, 2026 | 7.34 | 7.50 | 7.17 | 7.49 | 7.49 | 2.60% | 252,337 |
| Jan 13, 2026 | 7.54 | 7.58 | 7.21 | 7.30 | 7.30 | -2.80% | 334,066 |
| Jan 12, 2026 | 7.47 | 7.77 | 7.31 | 7.51 | 7.51 | -0.40% | 413,527 |
| Jan 9, 2026 | 7.86 | 7.90 | 7.45 | 7.54 | 7.54 | -2.46% | 364,626 |
| Jan 8, 2026 | 7.39 | 7.98 | 7.35 | 7.73 | 7.73 | 3.76% | 539,221 |
| Jan 7, 2026 | 7.85 | 7.87 | 7.38 | 7.45 | 7.45 | -6.76% | 526,538 |
| Jan 6, 2026 | 7.87 | 8.08 | 7.46 | 7.99 | 7.99 | 4.17% | 495,657 |
| Jan 5, 2026 | 7.13 | 8.10 | 7.12 | 7.67 | 7.67 | 9.57% | 968,568 |
| Jan 2, 2026 | 6.72 | 7.03 | 6.67 | 7.00 | 7.00 | 8.53% | 503,128 |
| Dec 31, 2025 | 6.73 | 6.81 | 6.22 | 6.45 | 6.45 | -4.44% | 1,191,765 |
| Dec 30, 2025 | 6.72 | 6.95 | 6.70 | 6.75 | 6.75 | -0.44% | 450,951 |
| Dec 29, 2025 | 6.82 | 7.03 | 6.72 | 6.78 | 6.78 | -2.59% | 530,462 |
| Dec 26, 2025 | 7.34 | 7.34 | 6.92 | 6.96 | 6.96 | -5.56% | 468,186 |
| Dec 24, 2025 | 7.24 | 7.39 | 7.01 | 7.37 | 7.37 | 1.80% | 177,271 |
| Dec 23, 2025 | 7.41 | 7.58 | 7.09 | 7.24 | 7.24 | -2.56% | 474,494 |
| Dec 22, 2025 | 7.38 | 7.88 | 7.30 | 7.43 | 7.43 | 1.50% | 654,159 |
| Dec 19, 2025 | 7.29 | 7.47 | 7.24 | 7.32 | 7.32 | 0.97% | 724,688 |
| Dec 18, 2025 | 7.51 | 7.94 | 7.07 | 7.25 | 7.25 | -2.29% | 538,807 |
| Dec 17, 2025 | 7.95 | 8.15 | 7.40 | 7.42 | 7.42 | -6.78% | 317,889 |
| Dec 16, 2025 | 7.73 | 8.08 | 7.69 | 7.96 | 7.96 | 2.98% | 354,413 |
| Dec 15, 2025 | 9.05 | 9.11 | 7.72 | 7.73 | 7.73 | -14.40% | 576,675 |
| Dec 12, 2025 | 9.75 | 9.80 | 8.89 | 9.03 | 9.03 | -7.38% | 555,856 |
| Dec 11, 2025 | 9.39 | 10.01 | 9.25 | 9.75 | 9.75 | 2.74% | 680,216 |
| Dec 10, 2025 | 9.03 | 9.75 | 8.76 | 9.49 | 9.49 | 4.98% | 763,430 |
| Dec 9, 2025 | 8.98 | 9.09 | 8.41 | 9.04 | 9.04 | -0.66% | 384,384 |
| Dec 8, 2025 | 8.81 | 9.13 | 8.69 | 9.10 | 9.10 | 4.36% | 362,173 |
| Dec 5, 2025 | 8.73 | 8.98 | 8.50 | 8.72 | 8.72 | -0.23% | 492,089 |
| Dec 4, 2025 | 8.16 | 8.76 | 8.06 | 8.74 | 8.74 | 5.81% | 637,860 |
| Dec 3, 2025 | 7.71 | 8.26 | 7.63 | 8.26 | 8.26 | 6.99% | 329,597 |