Koss Corporation KOSS
3.23 USD -0.02 (-0.46%)
Regular-session close
3.21 -0.02 -0.54%
After hours · Nov 13, 4:00 PM ET
3.22 Day range 3.34
3.03 52-week range 5.06
- YTD
- -21.98%
- 1 year
- -32.71%
KOSS price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 3.28 | 3.34 | 3.22 | 3.23 | -0.02 | -0.62% | 8,476 |
| Nov 12, 2026 | 3.30 | 3.33 | 3.18 | 3.25 | -0.06 | -1.81% | 26,600 |
| Nov 11, 2026 | 3.29 | 3.39 | 3.28 | 3.31 | +0.06 | +1.85% | 10,500 |
| Nov 10, 2026 | 3.30 | 3.34 | 3.17 | 3.25 | -0.05 | -1.52% | 20,700 |
| Nov 9, 2026 | 3.21 | 3.41 | 3.17 | 3.30 | +0.14 | +4.43% | 25,200 |
| Nov 6, 2026 | 3.05 | 3.23 | 3.05 | 3.16 | +0.13 | +4.29% | 17,700 |
| Nov 5, 2026 | 3.35 | 3.35 | 2.93 | 3.03 | -0.25 | -7.62% | 50,300 |
| Nov 4, 2026 | 3.15 | 3.36 | 3.14 | 3.28 | +0.15 | +4.79% | 56,500 |
| Nov 3, 2026 | 3.13 | 3.27 | 3.13 | 3.13 | 0.00 | 0.00% | 46,800 |
| Nov 2, 2026 | 3.35 | 3.38 | 3.13 | 3.13 | -0.26 | -7.67% | 48,300 |
| Oct 30, 2026 | 3.47 | 3.69 | 3.33 | 3.39 | -0.02 | -0.59% | 35,500 |
| Oct 29, 2026 | 3.46 | 3.62 | 3.41 | 3.41 | -0.02 | -0.58% | 25,000 |
| Oct 28, 2026 | 3.45 | 3.50 | 3.42 | 3.43 | 0.00 | 0.00% | 4,300 |
| Oct 27, 2026 | 3.40 | 3.48 | 3.40 | 3.43 | +0.03 | +0.88% | 17,500 |
| Oct 26, 2026 | 3.48 | 3.49 | 3.40 | 3.40 | -0.06 | -1.73% | 11,700 |
| Oct 23, 2026 | 3.50 | 3.55 | 3.43 | 3.46 | -0.02 | -0.57% | 20,600 |
| Oct 22, 2026 | 3.69 | 3.69 | 3.42 | 3.48 | +0.01 | +0.29% | 19,800 |
| Oct 21, 2026 | 3.59 | 3.62 | 3.46 | 3.47 | -0.09 | -2.53% | 28,500 |
| Oct 20, 2026 | 3.62 | 3.72 | 3.50 | 3.56 | 0.00 | 0.00% | 31,400 |
| Oct 19, 2026 | 3.69 | 3.73 | 3.50 | 3.56 | -0.10 | -2.73% | 23,400 |
| Oct 16, 2026 | 3.75 | 3.77 | 3.65 | 3.66 | -0.08 | -2.14% | 23,400 |
| Oct 15, 2026 | 3.72 | 3.85 | 3.67 | 3.74 | -0.05 | -1.32% | 22,300 |
| Oct 14, 2026 | 3.81 | 3.89 | 3.73 | 3.79 | -0.04 | -1.04% | 24,100 |
| Oct 13, 2026 | 3.87 | 3.94 | 3.80 | 3.83 | -0.01 | -0.26% | 22,100 |
| Oct 12, 2026 | 3.82 | 3.95 | 3.66 | 3.84 | 0.00 | 0.00% | 18,100 |
| Oct 9, 2026 | 3.79 | 3.89 | 3.65 | 3.84 | +0.15 | +4.07% | 21,500 |
| Oct 8, 2026 | 3.77 | 3.88 | 3.61 | 3.69 | -0.04 | -1.07% | 35,500 |
| Oct 7, 2026 | 3.83 | 3.83 | 3.71 | 3.73 | -0.11 | -2.86% | 22,000 |
| Oct 6, 2026 | 3.88 | 3.93 | 3.76 | 3.84 | -0.06 | -1.54% | 27,300 |
| Oct 5, 2026 | 3.81 | 4.10 | 3.80 | 3.90 | +0.04 | +1.04% | 43,400 |
| Oct 2, 2026 | 3.95 | 3.95 | 3.78 | 3.86 | -0.08 | -2.03% | 23,500 |
| Oct 1, 2026 | 4.07 | 4.07 | 3.92 | 3.94 | -0.08 | -1.99% | 24,000 |
| Sep 30, 2026 | 3.97 | 4.03 | 3.91 | 4.02 | +0.04 | +1.01% | 16,300 |
| Sep 29, 2026 | 4.05 | 4.12 | 3.86 | 3.98 | -0.10 | -2.45% | 40,100 |
| Sep 28, 2026 | 4.01 | 4.20 | 3.99 | 4.08 | +0.08 | +2.00% | 99,800 |
| Sep 25, 2026 | 4.34 | 4.34 | 3.81 | 4.00 | -0.20 | -4.76% | 78,900 |
| Sep 24, 2026 | 4.01 | 4.44 | 3.94 | 4.20 | +0.25 | +6.33% | 263,400 |
| Sep 23, 2026 | 3.57 | 4.33 | 3.49 | 3.95 | +0.45 | +12.86% | 470,900 |
| Sep 22, 2026 | 3.47 | 3.54 | 3.46 | 3.50 | +0.03 | +0.86% | 38,400 |
| Sep 21, 2026 | 3.59 | 3.62 | 3.42 | 3.47 | -0.12 | -3.34% | 19,200 |
| Sep 18, 2026 | 3.54 | 3.62 | 3.42 | 3.59 | +0.06 | +1.70% | 29,600 |
| Sep 17, 2026 | 3.42 | 3.59 | 3.40 | 3.53 | +0.17 | +5.06% | 18,300 |
| Sep 16, 2026 | 3.43 | 3.48 | 3.35 | 3.36 | -0.04 | -1.18% | 14,000 |
| Sep 15, 2026 | 3.62 | 3.62 | 3.37 | 3.40 | -0.03 | -0.87% | 5,700 |
| Sep 14, 2026 | 3.48 | 3.62 | 3.40 | 3.43 | +0.02 | +0.59% | 18,200 |
| Sep 11, 2026 | 3.39 | 3.63 | 3.39 | 3.41 | +0.01 | +0.29% | 26,200 |
| Sep 10, 2026 | 3.47 | 3.48 | 3.30 | 3.40 | -0.06 | -1.73% | 9,400 |
| Sep 9, 2026 | 3.50 | 3.50 | 3.43 | 3.46 | -0.09 | -2.54% | 7,400 |
| Sep 8, 2026 | 3.60 | 3.60 | 3.48 | 3.55 | -0.03 | -0.84% | 9,000 |
| Sep 4, 2026 | 3.45 | 3.65 | 3.45 | 3.58 | +0.04 | +1.13% | 17,000 |
| Sep 3, 2026 | 3.57 | 3.57 | 3.41 | 3.54 | +0.04 | +1.14% | 14,900 |
| Sep 2, 2026 | 3.45 | 3.53 | 3.41 | 3.50 | +0.06 | +1.74% | 25,400 |
| Sep 1, 2026 | 3.43 | 3.55 | 3.37 | 3.44 | -0.02 | -0.58% | 20,300 |
| Aug 31, 2026 | 3.51 | 3.60 | 3.40 | 3.46 | -0.04 | -1.14% | 12,500 |
| Aug 28, 2026 | 3.45 | 3.65 | 3.38 | 3.50 | +0.08 | +2.34% | 21,200 |
| Aug 27, 2026 | 3.40 | 3.51 | 3.37 | 3.42 | -0.02 | -0.58% | 31,200 |
| Aug 26, 2026 | 3.47 | 3.55 | 3.40 | 3.44 | -0.01 | -0.29% | 16,300 |
| Aug 25, 2026 | 3.50 | 3.52 | 3.40 | 3.45 | -0.05 | -1.43% | 17,200 |
| Aug 24, 2026 | 3.55 | 3.59 | 3.50 | 3.50 | -0.07 | -1.96% | 14,900 |
| Aug 21, 2026 | 3.50 | 3.61 | 3.50 | 3.57 | +0.13 | +3.78% | 16,100 |
| Aug 20, 2026 | 3.55 | 3.66 | 3.44 | 3.44 | -0.12 | -3.37% | 17,800 |
| Aug 19, 2026 | 3.63 | 3.63 | 3.56 | 3.56 | -0.02 | -0.56% | 9,800 |
| Aug 18, 2026 | 3.71 | 3.71 | 3.52 | 3.58 | -0.12 | -3.24% | 22,100 |
| Aug 17, 2026 | 3.68 | 3.78 | 3.68 | 3.70 | -0.05 | -1.33% | 8,600 |
| Aug 14, 2026 | 3.73 | 3.75 | 3.70 | 3.75 | +0.08 | +2.18% | 19,200 |
65 days, newest first. Daily bars as drawn on the KOSS chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.