Qualstar Corporation (QBAK)
OTCMKTS
· Delayed Price · Currency is USD
11.40
+7.57 (197.39%)
Apr 28, 2026, 2:04 PM EST
Qualstar Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 11.30 | 11.40 | 11.30 | 11.40 | 11.40 | -0.87% | 341 |
| Apr 27, 2026 | 11.48 | 11.50 | 11.48 | 11.50 | 11.50 | 0.60% | 519 |
| Apr 24, 2026 | 11.48 | 11.48 | 11.43 | 11.43 | 11.43 | 2.21% | 300 |
| Apr 20, 2026 | 11.10 | 11.18 | 11.10 | 11.18 | 11.18 | -0.50% | 332 |
| Apr 17, 2026 | 11.11 | 11.24 | 11.11 | 11.24 | 11.24 | 7.05% | 770 |
| Apr 16, 2026 | 10.50 | 10.50 | 10.40 | 10.50 | 10.50 | - | 500 |
| Apr 15, 2026 | 10.60 | 10.60 | 10.50 | 10.50 | 10.50 | -2.33% | 1,230 |
| Apr 14, 2026 | 10.75 | 10.75 | 10.75 | 10.75 | 10.75 | -0.72% | 210 |
| Apr 13, 2026 | 10.86 | 10.86 | 10.75 | 10.83 | 10.83 | -3.75% | 1,150 |
| Apr 9, 2026 | 11.25 | 11.26 | 11.25 | 11.25 | 11.25 | - | 400 |
| Apr 8, 2026 | 11.25 | 11.25 | 11.25 | 11.25 | 11.25 | 0.29% | 101 |
| Apr 7, 2026 | 10.69 | 11.22 | 10.69 | 11.22 | 11.22 | 1.98% | 925 |
| Apr 6, 2026 | 13.00 | 13.00 | 10.24 | 11.00 | 11.00 | -20.00% | 10,347 |
| Apr 1, 2026 | 14.29 | 14.29 | 13.75 | 13.75 | 13.75 | -5.17% | 564 |
| Mar 31, 2026 | 14.61 | 14.61 | 14.50 | 14.50 | 14.50 | - | 319 |
| Mar 30, 2026 | 17.45 | 17.45 | 14.50 | 14.50 | 14.50 | -19.67% | 3,128 |
| Mar 18, 2026 | 18.05 | 18.05 | 18.05 | 18.05 | 18.05 | 0.28% | 142 |
| Mar 13, 2026 | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | -0.50% | 488 |
| Mar 12, 2026 | 18.10 | 18.10 | 18.00 | 18.09 | 18.09 | -0.88% | 2,532 |
| Mar 11, 2026 | 18.25 | 18.25 | 18.25 | 18.25 | 18.25 | 0.58% | 101 |
| Mar 10, 2026 | 18.26 | 18.26 | 18.10 | 18.14 | 18.14 | -0.85% | 600 |
| Mar 9, 2026 | 18.30 | 18.30 | 18.30 | 18.30 | 18.30 | -0.29% | 100 |
| Mar 5, 2026 | 18.35 | 18.35 | 18.35 | 18.35 | 18.35 | -1.59% | 241 |
| Mar 3, 2026 | 18.65 | 18.65 | 18.65 | 18.65 | 18.65 | -1.58% | 101 |
| Mar 2, 2026 | 18.95 | 18.95 | 18.95 | 18.95 | 18.95 | 0.26% | 110 |
| Feb 26, 2026 | 18.90 | 18.90 | 18.90 | 18.90 | 18.90 | 2.72% | 100 |
| Feb 24, 2026 | 18.40 | 18.40 | 18.40 | 18.40 | 18.40 | -3.80% | 444 |
| Feb 23, 2026 | 19.13 | 19.13 | 19.13 | 19.13 | 19.13 | -0.64% | 106 |
| Feb 20, 2026 | 19.40 | 19.40 | 19.22 | 19.25 | 19.25 | -0.77% | 356 |
| Feb 19, 2026 | 19.60 | 19.60 | 19.40 | 19.40 | 19.40 | -1.02% | 1,179 |
| Feb 18, 2026 | 19.60 | 19.60 | 19.60 | 19.60 | 19.60 | 0.51% | 405 |
| Feb 17, 2026 | 19.10 | 19.95 | 19.00 | 19.50 | 19.50 | 2.31% | 2,800 |
| Feb 12, 2026 | 19.06 | 19.06 | 19.06 | 19.06 | 19.06 | -0.73% | 200 |
| Feb 11, 2026 | 19.50 | 19.50 | 19.20 | 19.20 | 19.20 | -2.04% | 260 |
| Feb 10, 2026 | 19.45 | 19.75 | 19.45 | 19.60 | 19.60 | -0.31% | 500 |
| Feb 9, 2026 | 19.51 | 19.69 | 18.31 | 19.66 | 19.66 | -1.70% | 2,429 |
| Feb 5, 2026 | 19.50 | 20.00 | 19.50 | 20.00 | 20.00 | -2.44% | 350 |
| Feb 4, 2026 | 20.53 | 20.53 | 20.50 | 20.50 | 20.50 | -0.97% | 225 |
| Feb 3, 2026 | 20.75 | 20.75 | 20.51 | 20.70 | 20.70 | 0.98% | 1,006 |
| Feb 2, 2026 | 19.65 | 20.73 | 19.60 | 20.50 | 20.50 | 6.22% | 6,084 |
| Jan 30, 2026 | 19.40 | 19.40 | 19.30 | 19.30 | 19.30 | 0.68% | 500 |
| Jan 29, 2026 | 19.65 | 19.65 | 19.10 | 19.17 | 19.17 | -1.70% | 473 |
| Jan 28, 2026 | 19.20 | 19.50 | 19.20 | 19.50 | 19.50 | 6.62% | 481 |
| Jan 27, 2026 | 19.05 | 19.05 | 18.28 | 18.29 | 18.29 | -3.99% | 1,947 |
| Jan 26, 2026 | 19.09 | 19.09 | 19.05 | 19.05 | 19.05 | - | 397 |
| Jan 22, 2026 | 19.13 | 19.13 | 19.05 | 19.05 | 19.05 | -2.84% | 216 |
| Jan 21, 2026 | 19.75 | 19.75 | 19.61 | 19.61 | 19.61 | -0.72% | 398 |
| Jan 16, 2026 | 19.60 | 19.75 | 19.60 | 19.75 | 19.75 | 3.41% | 1,153 |
| Jan 15, 2026 | 19.40 | 19.40 | 19.10 | 19.10 | 19.10 | 0.52% | 412 |
| Jan 14, 2026 | 19.75 | 19.75 | 19.00 | 19.00 | 19.00 | 0.18% | 657 |
| Jan 13, 2026 | 19.75 | 19.75 | 18.94 | 18.97 | 18.97 | -3.65% | 3,453 |
| Jan 12, 2026 | 19.75 | 19.75 | 18.54 | 19.68 | 19.68 | 1.36% | 4,388 |
| Jan 8, 2026 | 19.65 | 19.75 | 19.42 | 19.42 | 19.42 | -1.17% | 3,700 |
| Jan 6, 2026 | 18.65 | 19.65 | 18.65 | 19.65 | 19.65 | -0.51% | 248 |
| Jan 5, 2026 | 18.75 | 20.70 | 18.75 | 19.75 | 19.75 | - | 600 |
| Jan 2, 2026 | 19.50 | 19.75 | 19.50 | 19.75 | 19.75 | 2.86% | 1,900 |
| Dec 29, 2025 | 19.20 | 19.20 | 19.20 | 19.20 | 19.20 | 2.95% | 318 |
| Dec 23, 2025 | 18.65 | 18.65 | 18.65 | 18.65 | 18.65 | 0.27% | 502 |
| Dec 22, 2025 | 18.65 | 18.65 | 18.60 | 18.60 | 18.60 | -3.24% | 479 |
| Dec 18, 2025 | 19.22 | 19.22 | 19.22 | 19.22 | 19.22 | -2.62% | 111 |
| Dec 15, 2025 | 19.05 | 19.74 | 19.00 | 19.74 | 19.74 | 3.89% | 1,916 |
| Dec 12, 2025 | 19.75 | 19.75 | 19.00 | 19.00 | 19.00 | -3.80% | 1,400 |
| Dec 11, 2025 | 19.66 | 19.75 | 19.05 | 19.75 | 19.75 | 8.52% | 2,475 |
| Dec 10, 2025 | 18.20 | 18.20 | 18.20 | 18.20 | 18.20 | 3.24% | 100 |
| Dec 9, 2025 | 18.00 | 18.65 | 16.60 | 17.63 | 17.63 | -2.07% | 5,699 |
| Dec 8, 2025 | 17.25 | 18.00 | 17.25 | 18.00 | 18.00 | 4.35% | 379 |
| Dec 3, 2025 | 16.50 | 19.75 | 16.50 | 17.25 | 17.25 | 2.07% | 24,705 |
| Dec 2, 2025 | 18.00 | 19.00 | 16.50 | 16.90 | 16.90 | 7.30% | 10,505 |
| Nov 26, 2025 | 17.39 | 17.39 | 15.75 | 15.75 | 15.75 | 14.55% | 500 |
| Nov 25, 2025 | 18.00 | 18.00 | 13.75 | 13.75 | 13.75 | -23.61% | 1,416 |
| Nov 24, 2025 | 15.84 | 19.00 | 15.00 | 18.00 | 18.00 | 20.00% | 15,730 |
| Nov 20, 2025 | 15.57 | 15.57 | 15.00 | 15.00 | 15.00 | -4.44% | 460 |
| Nov 17, 2025 | 16.00 | 16.00 | 15.70 | 15.70 | 15.70 | -1.89% | 300 |
| Nov 12, 2025 | 15.00 | 16.50 | 15.00 | 16.00 | 16.00 | 13.31% | 1,517 |
| Nov 11, 2025 | 14.00 | 14.12 | 14.00 | 14.12 | 14.12 | 0.86% | 1,205 |
| Nov 7, 2025 | 14.15 | 14.50 | 14.00 | 14.00 | 14.00 | -12.50% | 900 |
| Nov 6, 2025 | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | - | 300 |
| Nov 5, 2025 | 13.85 | 16.00 | 13.85 | 16.00 | 16.00 | 16.28% | 850 |
| Nov 3, 2025 | 14.50 | 14.50 | 13.76 | 13.76 | 13.76 | -8.27% | 737 |
| Oct 31, 2025 | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | -5.21% | 100 |