Koss Corporation (KOSS)
NASDAQ: KOSS
· Real-Time Price · USD
6.15
0.08 (1.32%)
At close: Sep 05, 2025, 3:59 PM
6.00
-2.44%
After-hours: Sep 05, 2025, 05:22 PM EDT
KOSS Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 5, 2025 | 6.10 | 6.24 | 5.95 | 6.15 | 6.15 | 1.32% | 23,496 |
| Sep 4, 2025 | 6.18 | 6.18 | 6.02 | 6.07 | 6.07 | -2.10% | 25,200 |
| Sep 3, 2025 | 6.27 | 6.33 | 6.13 | 6.20 | 6.20 | -0.48% | 40,310 |
| Sep 2, 2025 | 6.10 | 6.31 | 6.03 | 6.23 | 6.23 | 0.48% | 40,542 |
| Aug 29, 2025 | 6.38 | 6.39 | 6.10 | 6.20 | 6.20 | -0.16% | 32,861 |
| Aug 28, 2025 | 6.39 | 6.39 | 6.14 | 6.21 | 6.21 | -3.12% | 59,639 |
| Aug 27, 2025 | 6.55 | 6.68 | 6.34 | 6.41 | 6.41 | -1.54% | 47,039 |
| Aug 26, 2025 | 6.12 | 6.85 | 6.06 | 6.51 | 6.51 | 2.36% | 154,311 |
| Aug 25, 2025 | 6.48 | 6.55 | 6.30 | 6.36 | 6.36 | -1.85% | 90,500 |
| Aug 22, 2025 | 6.25 | 6.60 | 6.22 | 6.48 | 6.48 | 5.19% | 60,100 |
| Aug 21, 2025 | 6.08 | 6.29 | 6.00 | 6.16 | 6.16 | 0.98% | 33,687 |
| Aug 20, 2025 | 6.50 | 6.56 | 6.00 | 6.10 | 6.10 | -5.86% | 84,435 |
| Aug 19, 2025 | 6.90 | 6.93 | 6.20 | 6.48 | 6.48 | 5.54% | 378,622 |
| Aug 18, 2025 | 5.74 | 6.20 | 5.70 | 6.14 | 6.14 | 7.91% | 149,036 |
| Aug 15, 2025 | 5.54 | 5.80 | 5.52 | 5.69 | 5.69 | 4.02% | 66,400 |
| Aug 14, 2025 | 5.35 | 5.59 | 5.33 | 5.47 | 5.47 | -0.18% | 35,133 |
| Aug 13, 2025 | 5.46 | 5.50 | 5.30 | 5.48 | 5.48 | 2.24% | 40,600 |
| Aug 12, 2025 | 5.31 | 5.54 | 5.31 | 5.36 | 5.36 | 0.56% | 23,700 |
| Aug 11, 2025 | 5.55 | 5.58 | 5.22 | 5.33 | 5.33 | -2.74% | 37,700 |
| Aug 8, 2025 | 5.49 | 5.58 | 5.35 | 5.48 | 5.48 | -1.44% | 28,457 |