Koss Corporation (KOSS)
NASDAQ: KOSS · Real-Time Price · USD
4.970
-0.020 (-0.40%)
At close: Jun 27, 2025, 4:00 PM
4.830
-0.140 (-2.82%)
After-hours: Jun 27, 2025, 6:10 PM EDT
Koss Corporation Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 27, 2025 | 5.02 | 5.05 | 4.83 | 4.97 | 4.97 | -0.40% | 65,763 |
| 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 |
| May 6, 2025 | 4.74 | 4.74 | 4.51 | 4.53 | 4.53 | -4.33% | 14,378 |
| May 5, 2025 | 4.84 | 4.90 | 4.74 | 4.74 | 4.74 | -2.97% | 24,654 |
| May 2, 2025 | 4.80 | 5.07 | 4.74 | 4.88 | 4.88 | 1.71% | 27,028 |
| May 1, 2025 | 4.80 | 4.86 | 4.70 | 4.80 | 4.80 | 1.22% | 11,402 |
| Apr 30, 2025 | 4.76 | 4.89 | 4.51 | 4.74 | 4.74 | -3.85% | 15,874 |
| Apr 29, 2025 | 4.54 | 4.99 | 4.54 | 4.93 | 4.93 | 9.56% | 59,250 |
| Apr 28, 2025 | 4.59 | 4.65 | 4.45 | 4.50 | 4.50 | -2.70% | 13,458 |
| Apr 25, 2025 | 4.66 | 4.74 | 4.60 | 4.63 | 4.63 | 0.54% | 24,893 |
| Apr 24, 2025 | 4.54 | 4.74 | 4.52 | 4.60 | 4.60 | 1.77% | 23,322 |
| Apr 23, 2025 | 4.62 | 4.73 | 4.49 | 4.52 | 4.52 | 0.67% | 21,793 |
| Apr 22, 2025 | 4.39 | 4.59 | 4.37 | 4.49 | 4.49 | 4.42% | 15,778 |
| Apr 21, 2025 | 4.55 | 4.60 | 4.29 | 4.30 | 4.30 | -6.52% | 34,026 |
| Apr 17, 2025 | 4.37 | 4.69 | 4.29 | 4.60 | 4.60 | 7.73% | 34,851 |
| Apr 16, 2025 | 4.53 | 4.58 | 4.21 | 4.27 | 4.27 | -5.32% | 21,571 |