Koss Corporation (KOSS)
NASDAQ: KOSS · Real-Time Price · USD
3.568
+0.027 (0.78%)
Sep 4, 2026, 10:44 AM EDT - Market open
Koss Corporation Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 4, 2026 | 3.45 | 3.56 | 3.45 | 3.50 | - | -1.14% | 5,704 |
| Sep 3, 2026 | 3.57 | 3.57 | 3.41 | 3.54 | 3.54 | 1.15% | 14,494 |
| Sep 2, 2026 | 3.45 | 3.53 | 3.41 | 3.50 | 3.50 | 1.74% | 25,349 |
| Sep 1, 2026 | 3.43 | 3.55 | 3.37 | 3.44 | 3.44 | -0.58% | 20,334 |
| Aug 31, 2026 | 3.51 | 3.60 | 3.40 | 3.46 | 3.46 | -1.14% | 12,511 |
| Aug 28, 2026 | 3.45 | 3.65 | 3.38 | 3.50 | 3.50 | 2.34% | 21,243 |
| Aug 27, 2026 | 3.40 | 3.51 | 3.37 | 3.42 | 3.42 | -0.44% | 30,485 |
| Aug 26, 2026 | 3.47 | 3.55 | 3.40 | 3.44 | 3.44 | -0.43% | 16,296 |
| Aug 25, 2026 | 3.50 | 3.52 | 3.40 | 3.45 | 3.45 | -1.43% | 17,101 |
| Aug 24, 2026 | 3.55 | 3.59 | 3.50 | 3.50 | 3.50 | -1.96% | 14,904 |
| Aug 21, 2026 | 3.50 | 3.61 | 3.50 | 3.57 | 3.57 | 3.78% | 16,083 |
| Aug 20, 2026 | 3.55 | 3.66 | 3.44 | 3.44 | 3.44 | -3.37% | 17,797 |
| Aug 19, 2026 | 3.63 | 3.63 | 3.56 | 3.56 | 3.56 | -0.56% | 9,752 |
| Aug 18, 2026 | 3.71 | 3.71 | 3.52 | 3.58 | 3.58 | -3.24% | 22,196 |
| Aug 17, 2026 | 3.68 | 3.78 | 3.68 | 3.70 | 3.70 | -1.33% | 8,601 |
| Aug 14, 2026 | 3.73 | 3.75 | 3.70 | 3.75 | 3.75 | 2.18% | 19,238 |
| Aug 13, 2026 | 3.73 | 3.73 | 3.65 | 3.67 | 3.67 | 0.55% | 13,343 |
| Aug 12, 2026 | 3.71 | 3.76 | 3.65 | 3.65 | 3.65 | -2.41% | 5,728 |
| Aug 11, 2026 | 3.75 | 3.78 | 3.70 | 3.74 | 3.74 | -0.93% | 11,132 |
| Aug 10, 2026 | 3.73 | 3.83 | 3.73 | 3.78 | 3.78 | 1.48% | 6,790 |
| Aug 7, 2026 | 3.64 | 3.78 | 3.64 | 3.72 | 3.72 | -0.27% | 7,573 |
| Aug 6, 2026 | 3.68 | 3.77 | 3.68 | 3.73 | 3.73 | - | 7,275 |
| Aug 5, 2026 | 3.75 | 3.78 | 3.69 | 3.73 | 3.73 | 0.81% | 15,844 |
| Aug 4, 2026 | 3.73 | 3.75 | 3.70 | 3.70 | 3.70 | -0.80% | 16,921 |
| Aug 3, 2026 | 3.79 | 3.79 | 3.68 | 3.73 | 3.73 | 1.36% | 47,333 |
| Jul 31, 2026 | 3.71 | 3.81 | 3.68 | 3.68 | 3.68 | - | 12,557 |
| Jul 30, 2026 | 3.68 | 3.79 | 3.66 | 3.68 | 3.68 | 1.38% | 12,168 |
| Jul 29, 2026 | 3.68 | 3.74 | 3.63 | 3.63 | 3.63 | -2.42% | 20,083 |
| Jul 28, 2026 | 3.69 | 3.80 | 3.66 | 3.72 | 3.72 | 1.64% | 15,510 |
| Jul 27, 2026 | 3.76 | 3.77 | 3.66 | 3.66 | 3.66 | -2.40% | 13,940 |
| Jul 24, 2026 | 3.84 | 3.84 | 3.65 | 3.75 | 3.75 | -0.27% | 18,743 |
| Jul 23, 2026 | 3.80 | 3.86 | 3.72 | 3.76 | 3.76 | -2.59% | 12,986 |
| Jul 22, 2026 | 3.84 | 3.86 | 3.73 | 3.86 | 3.86 | 1.58% | 14,357 |
| Jul 21, 2026 | 3.80 | 3.83 | 3.73 | 3.80 | 3.80 | 1.06% | 18,905 |
| Jul 20, 2026 | 3.78 | 3.86 | 3.74 | 3.76 | 3.76 | -1.05% | 13,037 |
| Jul 17, 2026 | 3.82 | 3.90 | 3.78 | 3.80 | 3.80 | -1.55% | 23,530 |
| Jul 16, 2026 | 3.93 | 4.03 | 3.80 | 3.86 | 3.86 | -2.77% | 19,630 |
| Jul 15, 2026 | 3.82 | 3.97 | 3.82 | 3.97 | 3.97 | 4.75% | 12,613 |
| Jul 14, 2026 | 3.90 | 3.95 | 3.74 | 3.79 | 3.79 | -2.82% | 46,865 |
| Jul 13, 2026 | 3.93 | 3.97 | 3.90 | 3.90 | 3.90 | -1.27% | 5,522 |
| Jul 10, 2026 | 3.88 | 3.95 | 3.82 | 3.95 | 3.95 | 2.07% | 18,234 |
| Jul 9, 2026 | 3.80 | 3.99 | 3.79 | 3.87 | 3.87 | 1.31% | 17,640 |
| Jul 8, 2026 | 3.89 | 3.95 | 3.79 | 3.82 | 3.82 | -2.55% | 20,652 |
| Jul 7, 2026 | 4.09 | 4.09 | 3.92 | 3.92 | 3.92 | -4.16% | 23,800 |
| Jul 6, 2026 | 4.03 | 4.13 | 3.89 | 4.09 | 4.09 | 3.02% | 46,547 |
| Jul 2, 2026 | 3.95 | 4.02 | 3.86 | 3.97 | 3.97 | 1.79% | 4,906 |
| Jul 1, 2026 | 4.00 | 4.08 | 3.90 | 3.90 | 3.90 | -2.74% | 24,998 |
| Jun 30, 2026 | 3.95 | 4.15 | 3.95 | 4.01 | 4.01 | 0.50% | 12,375 |
| Jun 29, 2026 | 3.98 | 3.99 | 3.91 | 3.99 | 3.99 | - | 6,025 |
| Jun 26, 2026 | 3.97 | 3.99 | 3.90 | 3.99 | 3.99 | 1.01% | 24,590 |