Qualstar Corporation (QBAKD)
OTCMKTS · Delayed Price · Currency is USD
3.750
-0.100 (-2.60%)
At close: May 22, 2026
Qualstar Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | 3.85 | 3.85 | 3.75 | 3.75 | 3.75 | -2.60% | 275 |
| May 21, 2026 | 3.85 | 3.85 | 3.85 | 3.85 | 3.85 | - | 100 |
| May 19, 2026 | 3.85 | 3.85 | 3.85 | 3.85 | 3.85 | - | 400 |
| May 15, 2026 | 3.85 | 3.85 | 3.85 | 3.85 | 3.85 | -3.75% | 1,573 |
| May 11, 2026 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | -5.88% | 1,100 |
| May 8, 2026 | 4.25 | 4.25 | 4.25 | 4.25 | 4.25 | - | 900 |
| May 7, 2026 | 4.25 | 4.25 | 4.25 | 4.25 | 4.25 | 1.19% | 250 |
| May 5, 2026 | 3.84 | 4.25 | 3.84 | 4.20 | 4.20 | 11.11% | 5,125 |
| May 4, 2026 | 3.80 | 3.80 | 3.77 | 3.78 | 3.78 | -0.53% | 1,000 |
| Apr 28, 2026 | 3.77 | 3.80 | 3.77 | 3.80 | 3.80 | -0.87% | 1,023 |
| Apr 27, 2026 | 3.83 | 3.83 | 3.83 | 3.83 | 3.83 | 0.60% | 1,557 |
| Apr 24, 2026 | 3.83 | 3.83 | 3.81 | 3.81 | 3.81 | 2.22% | 900 |
| Apr 20, 2026 | 3.70 | 3.73 | 3.70 | 3.73 | 3.73 | -0.50% | 996 |
| Apr 17, 2026 | 3.70 | 3.75 | 3.70 | 3.75 | 3.75 | 7.05% | 2,310 |
| Apr 16, 2026 | 3.50 | 3.50 | 3.47 | 3.50 | 3.50 | - | 1,500 |
| Apr 15, 2026 | 3.53 | 3.53 | 3.50 | 3.50 | 3.50 | -2.33% | 3,690 |
| Apr 14, 2026 | 3.58 | 3.58 | 3.58 | 3.58 | 3.58 | -0.72% | 630 |
| Apr 13, 2026 | 3.62 | 3.62 | 3.58 | 3.61 | 3.61 | -3.75% | 3,450 |
| Apr 9, 2026 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | - | 1,200 |
| Apr 8, 2026 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 0.29% | 303 |
| Apr 7, 2026 | 3.56 | 3.74 | 3.56 | 3.74 | 3.74 | 1.98% | 2,775 |
| Apr 6, 2026 | 4.33 | 4.33 | 3.41 | 3.67 | 3.67 | -20.00% | 31,041 |
| Apr 1, 2026 | 4.76 | 4.76 | 4.58 | 4.58 | 4.58 | -5.17% | 1,692 |
| Mar 31, 2026 | 4.87 | 4.87 | 4.83 | 4.83 | 4.83 | - | 957 |
| Mar 30, 2026 | 5.82 | 5.82 | 4.83 | 4.83 | 4.83 | -19.67% | 9,384 |
| Mar 18, 2026 | 6.02 | 6.02 | 6.02 | 6.02 | 6.02 | 0.28% | 426 |
| Mar 13, 2026 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | -0.50% | 1,464 |
| Mar 12, 2026 | 6.03 | 6.03 | 6.00 | 6.03 | 6.03 | -0.88% | 7,596 |
| Mar 11, 2026 | 6.08 | 6.08 | 6.08 | 6.08 | 6.08 | 0.58% | 303 |
| Mar 10, 2026 | 6.09 | 6.09 | 6.03 | 6.05 | 6.05 | -0.85% | 1,800 |
| Mar 9, 2026 | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | -0.29% | 300 |
| Mar 5, 2026 | 6.12 | 6.12 | 6.12 | 6.12 | 6.12 | -1.59% | 723 |
| Mar 3, 2026 | 6.22 | 6.22 | 6.22 | 6.22 | 6.22 | -1.58% | 303 |
| Mar 2, 2026 | 6.32 | 6.32 | 6.32 | 6.32 | 6.32 | 0.26% | 330 |
| Feb 26, 2026 | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 2.72% | 300 |
| Feb 24, 2026 | 6.13 | 6.13 | 6.13 | 6.13 | 6.13 | -3.80% | 1,332 |
| Feb 23, 2026 | 6.38 | 6.38 | 6.38 | 6.38 | 6.38 | -0.64% | 318 |
| Feb 20, 2026 | 6.47 | 6.47 | 6.41 | 6.42 | 6.42 | -0.77% | 1,068 |
| Feb 19, 2026 | 6.53 | 6.53 | 6.47 | 6.47 | 6.47 | -1.02% | 3,537 |
| Feb 18, 2026 | 6.53 | 6.53 | 6.53 | 6.53 | 6.53 | 0.51% | 1,215 |
| Feb 17, 2026 | 6.37 | 6.65 | 6.33 | 6.50 | 6.50 | 2.31% | 8,400 |
| Feb 12, 2026 | 6.35 | 6.35 | 6.35 | 6.35 | 6.35 | -0.73% | 600 |
| Feb 11, 2026 | 6.50 | 6.50 | 6.40 | 6.40 | 6.40 | -2.04% | 780 |
| Feb 10, 2026 | 6.48 | 6.58 | 6.48 | 6.53 | 6.53 | -0.31% | 1,500 |
| Feb 9, 2026 | 6.50 | 6.56 | 6.10 | 6.55 | 6.55 | -1.70% | 7,287 |
| Feb 5, 2026 | 6.50 | 6.67 | 6.50 | 6.67 | 6.67 | -2.44% | 1,050 |
| Feb 4, 2026 | 6.84 | 6.84 | 6.83 | 6.83 | 6.83 | -0.97% | 675 |
| Feb 3, 2026 | 6.92 | 6.92 | 6.84 | 6.90 | 6.90 | 0.98% | 3,018 |
| Feb 2, 2026 | 6.55 | 6.91 | 6.53 | 6.83 | 6.83 | 6.22% | 18,252 |
| Jan 30, 2026 | 6.47 | 6.47 | 6.43 | 6.43 | 6.43 | 0.68% | 1,500 |