Koss Corporation (KOSS)
NASDAQ: KOSS · Real-Time Price · USD
5.35
+0.03 (0.56%)
At close: Jul 18, 2025, 4:00 PM
5.25
-0.10 (-1.87%)
After-hours: Jul 18, 2025, 6:18 PM EDT
Koss Corporation Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 18, 2025 | 5.34 | 5.48 | 5.23 | 5.35 | 5.35 | 0.56% | 33,762 |
| Jul 17, 2025 | 5.34 | 5.60 | 5.30 | 5.32 | 5.32 | 0.95% | 64,038 |
| Jul 16, 2025 | 5.13 | 5.30 | 5.10 | 5.27 | 5.27 | 4.15% | 31,699 |
| Jul 15, 2025 | 5.15 | 5.25 | 5.03 | 5.06 | 5.06 | -0.98% | 27,242 |
| Jul 14, 2025 | 5.22 | 5.40 | 5.02 | 5.11 | 5.11 | -2.67% | 28,604 |
| Jul 11, 2025 | 5.51 | 5.63 | 5.21 | 5.25 | 5.25 | -4.20% | 55,008 |
| Jul 10, 2025 | 5.29 | 5.55 | 5.20 | 5.48 | 5.48 | 2.24% | 55,113 |
| Jul 9, 2025 | 5.29 | 5.37 | 5.14 | 5.36 | 5.36 | 1.52% | 45,292 |
| Jul 8, 2025 | 5.27 | 5.35 | 5.20 | 5.28 | 5.28 | - | 33,545 |
| Jul 7, 2025 | 5.18 | 5.37 | 5.12 | 5.28 | 5.28 | 0.96% | 22,507 |
| Jul 3, 2025 | 5.21 | 5.30 | 5.15 | 5.23 | 5.23 | -0.38% | 24,629 |
| Jul 2, 2025 | 5.07 | 5.28 | 5.01 | 5.25 | 5.25 | 3.75% | 23,434 |
| Jul 1, 2025 | 5.03 | 5.20 | 5.01 | 5.06 | 5.06 | -0.78% | 31,025 |
| Jun 30, 2025 | 4.95 | 5.15 | 4.84 | 5.10 | 5.10 | 2.62% | 69,820 |
| Jun 27, 2025 | 5.02 | 5.05 | 4.83 | 4.97 | 4.97 | -0.40% | 65,893 |
| Jun 26, 2025 | 5.10 | 5.10 | 4.86 | 4.99 | 4.99 | -1.19% | 27,510 |
| Jun 25, 2025 | 5.03 | 5.07 | 4.84 | 5.05 | 5.05 | 1.81% | 45,088 |
| Jun 24, 2025 | 4.96 | 5.03 | 4.80 | 4.96 | 4.96 | -0.80% | 73,754 |
| Jun 23, 2025 | 5.06 | 5.20 | 4.80 | 5.00 | 5.00 | -2.72% | 91,130 |
| Jun 20, 2025 | 5.09 | 5.75 | 5.00 | 5.14 | 5.14 | 5.33% | 518,286 |
| Jun 18, 2025 | 4.84 | 5.04 | 4.72 | 4.88 | 4.88 | 1.67% | 30,527 |
| Jun 17, 2025 | 4.87 | 4.92 | 4.70 | 4.80 | 4.80 | -2.04% | 69,922 |
| Jun 16, 2025 | 4.70 | 4.98 | 4.65 | 4.90 | 4.90 | 4.37% | 53,292 |
| Jun 13, 2025 | 4.89 | 4.98 | 4.63 | 4.70 | 4.70 | -3.59% | 160,229 |
| Jun 12, 2025 | 5.34 | 5.40 | 4.86 | 4.87 | 4.87 | -12.09% | 183,426 |
| Jun 11, 2025 | 5.85 | 5.89 | 5.41 | 5.54 | 5.54 | -4.32% | 104,355 |
| Jun 10, 2025 | 6.16 | 6.16 | 5.75 | 5.79 | 5.79 | -4.14% | 94,420 |
| Jun 9, 2025 | 5.71 | 6.12 | 5.69 | 6.04 | 6.04 | 6.90% | 63,326 |
| Jun 6, 2025 | 5.80 | 5.93 | 5.65 | 5.65 | 5.65 | -1.22% | 28,800 |
| Jun 5, 2025 | 5.92 | 6.09 | 5.65 | 5.72 | 5.72 | -3.95% | 60,055 |
| Jun 4, 2025 | 5.88 | 6.03 | 5.81 | 5.96 | 5.96 | 2.50% | 54,916 |
| Jun 3, 2025 | 5.88 | 6.09 | 5.74 | 5.81 | 5.81 | 1.22% | 43,609 |
| Jun 2, 2025 | 5.91 | 6.08 | 5.70 | 5.74 | 5.74 | -1.37% | 46,104 |
| May 30, 2025 | 6.06 | 6.10 | 5.80 | 5.82 | 5.82 | -4.28% | 50,689 |
| May 29, 2025 | 6.20 | 6.48 | 6.00 | 6.08 | 6.08 | -1.94% | 92,183 |
| May 28, 2025 | 6.32 | 6.33 | 6.01 | 6.20 | 6.20 | -1.90% | 113,316 |
| May 27, 2025 | 6.16 | 6.58 | 5.90 | 6.32 | 6.32 | 5.33% | 315,799 |
| May 23, 2025 | 5.80 | 6.10 | 5.61 | 6.00 | 6.00 | 2.92% | 153,516 |
| May 22, 2025 | 5.89 | 6.10 | 5.74 | 5.83 | 5.83 | -1.02% | 136,007 |
| May 21, 2025 | 6.37 | 6.45 | 5.74 | 5.89 | 5.89 | -3.52% | 281,421 |
| May 20, 2025 | 5.33 | 6.73 | 5.33 | 6.11 | 6.11 | 15.41% | 642,220 |
| May 19, 2025 | 5.40 | 5.67 | 5.28 | 5.29 | 5.29 | -2.04% | 23,137 |
| May 16, 2025 | 5.13 | 5.50 | 5.03 | 5.40 | 5.40 | 7.14% | 42,750 |
| May 15, 2025 | 5.29 | 5.32 | 5.00 | 5.04 | 5.04 | -4.91% | 22,611 |
| May 14, 2025 | 5.34 | 5.39 | 5.02 | 5.30 | 5.30 | -1.30% | 21,937 |
| May 13, 2025 | 5.38 | 5.68 | 5.24 | 5.37 | 5.37 | -0.19% | 68,597 |
| May 12, 2025 | 5.24 | 5.44 | 5.01 | 5.38 | 5.38 | 9.35% | 46,679 |
| May 9, 2025 | 4.74 | 4.93 | 4.74 | 4.92 | 4.92 | 3.58% | 16,111 |
| May 8, 2025 | 4.73 | 4.88 | 4.66 | 4.75 | 4.75 | 1.50% | 19,801 |
| May 7, 2025 | 4.61 | 4.78 | 4.54 | 4.68 | 4.68 | 3.31% | 15,083 |