Kopin Corporation (KOPN)
NASDAQ: KOPN · Real-Time Price · USD
3.380
+0.030 (0.90%)
Oct 23, 2026, 4:00 PM EDT - Market closed
Kopin Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | 3.39 | 3.44 | 3.30 | 3.38 | 3.38 | 0.90% | 2,027,740 |
| Oct 22, 2026 | 3.40 | 3.46 | 3.29 | 3.35 | 3.35 | -5.37% | 2,167,822 |
| Oct 21, 2026 | 3.50 | 3.56 | 3.47 | 3.54 | 3.54 | 3.21% | 1,709,855 |
| Oct 20, 2026 | 3.50 | 3.58 | 3.40 | 3.43 | 3.43 | -3.52% | 2,597,401 |
| Oct 19, 2026 | 3.39 | 3.60 | 3.31 | 3.56 | 3.56 | 8.05% | 3,573,992 |
| Oct 16, 2026 | 3.70 | 3.74 | 3.22 | 3.29 | 3.29 | -13.53% | 6,898,164 |
| Oct 15, 2026 | 3.73 | 3.83 | 3.55 | 3.81 | 3.81 | -0.39% | 3,825,769 |
| Oct 14, 2026 | 4.15 | 4.15 | 3.77 | 3.82 | 3.82 | -9.48% | 3,550,099 |
| Oct 13, 2026 | 4.04 | 4.32 | 4.03 | 4.22 | 4.22 | 2.18% | 2,568,535 |
| Oct 12, 2026 | 4.42 | 4.42 | 4.13 | 4.13 | 4.13 | -7.40% | 2,625,060 |
| Oct 9, 2026 | 4.59 | 4.73 | 4.32 | 4.46 | 4.46 | 6.19% | 5,253,734 |
| Oct 8, 2026 | 4.50 | 4.51 | 4.12 | 4.20 | 4.20 | -8.10% | 3,536,088 |
| Oct 7, 2026 | 4.80 | 4.84 | 4.54 | 4.57 | 4.57 | -6.35% | 2,973,115 |
| Oct 6, 2026 | 4.94 | 5.04 | 4.86 | 4.88 | 4.88 | 0.21% | 2,886,707 |
| Oct 5, 2026 | 4.91 | 4.98 | 4.76 | 4.87 | 4.87 | -0.81% | 2,709,198 |
| Oct 2, 2026 | 4.74 | 4.94 | 4.61 | 4.91 | 4.91 | 6.51% | 3,029,539 |
| Oct 1, 2026 | 4.61 | 4.79 | 4.47 | 4.61 | 4.61 | 0.22% | 2,783,867 |
| Sep 30, 2026 | 4.78 | 4.81 | 4.58 | 4.60 | 4.60 | -3.16% | 4,981,139 |
| Sep 29, 2026 | 4.83 | 4.88 | 4.71 | 4.75 | 4.75 | - | 3,092,658 |
| Sep 28, 2026 | 4.91 | 4.97 | 4.74 | 4.75 | 4.75 | -4.81% | 2,713,743 |
| Sep 25, 2026 | 4.96 | 5.10 | 4.85 | 4.99 | 4.99 | 2.46% | 3,302,700 |
| Sep 24, 2026 | 4.75 | 4.88 | 4.72 | 4.87 | 4.87 | - | 2,540,061 |
| Sep 23, 2026 | 4.92 | 4.93 | 4.78 | 4.87 | 4.87 | -1.42% | 2,571,498 |
| Sep 22, 2026 | 4.81 | 4.96 | 4.62 | 4.94 | 4.94 | 1.86% | 3,238,440 |
| Sep 21, 2026 | 4.91 | 4.91 | 4.81 | 4.85 | 4.85 | 2.32% | 2,225,863 |
| Sep 18, 2026 | 4.75 | 4.83 | 4.59 | 4.74 | 4.74 | 0.21% | 9,645,653 |
| Sep 17, 2026 | 4.65 | 4.85 | 4.56 | 4.73 | 4.73 | 8.99% | 4,360,514 |
| Sep 16, 2026 | 4.42 | 4.43 | 4.18 | 4.34 | 4.34 | - | 3,544,011 |
| Sep 15, 2026 | 4.34 | 4.40 | 4.08 | 4.34 | 4.34 | -0.23% | 3,479,416 |
| Sep 14, 2026 | 4.30 | 4.45 | 4.29 | 4.35 | 4.35 | -4.61% | 2,588,611 |
| Sep 11, 2026 | 4.39 | 4.66 | 4.39 | 4.56 | 4.56 | 3.99% | 3,319,386 |
| Sep 10, 2026 | 4.17 | 4.43 | 4.14 | 4.39 | 4.39 | 2.93% | 3,194,180 |
| Sep 9, 2026 | 4.54 | 4.56 | 4.20 | 4.26 | 4.26 | -6.58% | 3,246,458 |
| Sep 8, 2026 | 4.40 | 4.62 | 4.37 | 4.56 | 4.56 | 6.54% | 3,824,035 |
| Sep 4, 2026 | 4.30 | 4.36 | 4.22 | 4.28 | 4.28 | 0.23% | 1,914,579 |
| Sep 3, 2026 | 4.35 | 4.37 | 4.19 | 4.27 | 4.27 | -0.47% | 3,209,838 |
| Sep 2, 2026 | 4.19 | 4.34 | 4.14 | 4.29 | 4.29 | 1.90% | 3,451,791 |
| Sep 1, 2026 | 4.25 | 4.29 | 4.16 | 4.21 | 4.21 | -5.18% | 2,803,243 |
| Aug 31, 2026 | 4.48 | 4.56 | 4.32 | 4.44 | 4.44 | -0.89% | 2,789,640 |
| Aug 28, 2026 | 4.77 | 4.91 | 4.45 | 4.48 | 4.48 | -7.05% | 4,977,526 |
| Aug 27, 2026 | 4.78 | 4.96 | 4.75 | 4.82 | 4.82 | 1.90% | 2,894,263 |
| Aug 26, 2026 | 4.86 | 5.01 | 4.67 | 4.73 | 4.73 | -2.07% | 3,904,749 |
| Aug 25, 2026 | 4.86 | 4.94 | 4.78 | 4.83 | 4.83 | 1.90% | 2,402,781 |
| Aug 24, 2026 | 4.93 | 4.94 | 4.70 | 4.74 | 4.74 | -5.95% | 3,069,675 |
| Aug 21, 2026 | 4.96 | 5.13 | 4.91 | 5.04 | 5.04 | 3.07% | 3,070,696 |
| Aug 20, 2026 | 4.87 | 4.96 | 4.72 | 4.89 | 4.89 | -0.81% | 3,607,776 |
| Aug 19, 2026 | 5.14 | 5.21 | 4.78 | 4.93 | 4.93 | -2.18% | 4,156,929 |
| Aug 18, 2026 | 5.03 | 5.31 | 5.00 | 5.04 | 5.04 | -5.26% | 3,785,405 |
| Aug 17, 2026 | 5.43 | 5.53 | 5.31 | 5.32 | 5.32 | -3.27% | 3,715,717 |
| Aug 14, 2026 | 4.92 | 5.50 | 4.91 | 5.50 | 5.50 | 13.87% | 5,960,524 |