Kopin Corporation (KOPN)
NASDAQ: KOPN · Real-Time Price · USD
3.460
+0.050 (1.47%)
At close: Oct 31, 2025, 4:00 PM EDT
3.450
-0.010 (-0.29%)
After-hours: Oct 31, 2025, 7:58 PM EDT
Kopin Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 31, 2025 | 3.44 | 3.54 | 3.32 | 3.46 | 3.46 | 1.47% | 2,780,829 |
| Oct 30, 2025 | 3.40 | 3.52 | 3.31 | 3.41 | 3.41 | -2.85% | 2,222,795 |
| Oct 29, 2025 | 3.53 | 3.65 | 3.39 | 3.51 | 3.51 | -0.85% | 4,070,745 |
| Oct 28, 2025 | 3.70 | 3.70 | 3.49 | 3.54 | 3.54 | -5.35% | 4,065,776 |
| Oct 27, 2025 | 3.91 | 4.08 | 3.70 | 3.74 | 3.74 | -1.32% | 4,278,389 |
| Oct 24, 2025 | 3.80 | 3.91 | 3.70 | 3.79 | 3.79 | 2.43% | 3,184,177 |
| Oct 23, 2025 | 3.70 | 3.77 | 3.61 | 3.70 | 3.70 | 1.09% | 3,400,081 |
| Oct 22, 2025 | 4.08 | 4.16 | 3.48 | 3.66 | 3.66 | -9.85% | 6,887,640 |
| Oct 21, 2025 | 4.06 | 4.12 | 3.94 | 4.06 | 4.06 | -0.98% | 5,862,923 |
| Oct 20, 2025 | 3.75 | 4.12 | 3.71 | 4.10 | 4.10 | 12.64% | 7,657,535 |
| Oct 17, 2025 | 3.55 | 3.86 | 3.51 | 3.64 | 3.64 | -0.27% | 6,395,470 |
| Oct 16, 2025 | 4.05 | 4.11 | 3.62 | 3.65 | 3.65 | -8.52% | 7,514,124 |
| Oct 15, 2025 | 4.07 | 4.09 | 3.68 | 3.99 | 3.99 | 1.27% | 9,879,395 |
| Oct 14, 2025 | 3.59 | 4.06 | 3.36 | 3.94 | 3.94 | 16.22% | 21,834,699 |
| Oct 13, 2025 | 3.21 | 3.40 | 3.12 | 3.39 | 3.39 | 13.38% | 5,553,759 |
| Oct 10, 2025 | 3.26 | 3.30 | 2.98 | 2.99 | 2.99 | -7.14% | 6,358,563 |
| Oct 9, 2025 | 3.54 | 3.54 | 3.13 | 3.22 | 3.22 | -9.55% | 5,958,142 |
| Oct 8, 2025 | 3.51 | 3.62 | 3.32 | 3.56 | 3.56 | 4.40% | 5,545,574 |
| Oct 7, 2025 | 3.66 | 3.69 | 3.25 | 3.41 | 3.41 | -4.48% | 9,461,367 |
| Oct 6, 2025 | 3.02 | 3.65 | 3.02 | 3.57 | 3.57 | 26.60% | 18,425,643 |
| Oct 3, 2025 | 2.68 | 2.84 | 2.61 | 2.82 | 2.82 | 6.82% | 5,448,819 |
| Oct 2, 2025 | 2.53 | 2.71 | 2.49 | 2.64 | 2.64 | 5.60% | 5,616,858 |
| Oct 1, 2025 | 2.40 | 2.52 | 2.32 | 2.50 | 2.50 | 2.88% | 4,106,054 |
| Sep 30, 2025 | 2.48 | 2.50 | 2.36 | 2.43 | 2.43 | -0.82% | 4,166,063 |
| Sep 29, 2025 | 2.40 | 2.66 | 2.37 | 2.45 | 2.45 | 7.46% | 7,100,823 |
| Sep 26, 2025 | 2.36 | 2.38 | 2.25 | 2.28 | 2.28 | -2.56% | 2,367,256 |
| Sep 25, 2025 | 2.44 | 2.44 | 2.28 | 2.34 | 2.34 | -7.14% | 3,452,937 |
| Sep 24, 2025 | 2.62 | 2.75 | 2.50 | 2.52 | 2.52 | -3.45% | 3,716,934 |
| Sep 23, 2025 | 2.71 | 2.80 | 2.58 | 2.61 | 2.61 | -3.69% | 4,235,478 |
| Sep 22, 2025 | 2.68 | 2.75 | 2.50 | 2.71 | 2.71 | 0.74% | 4,606,001 |
| Sep 19, 2025 | 2.71 | 2.82 | 2.65 | 2.69 | 2.69 | -0.37% | 7,807,369 |
| Sep 18, 2025 | 2.46 | 2.75 | 2.38 | 2.70 | 2.70 | 11.57% | 6,984,839 |
| Sep 17, 2025 | 2.36 | 2.46 | 2.29 | 2.42 | 2.42 | 2.54% | 5,266,362 |
| Sep 16, 2025 | 2.38 | 2.55 | 2.34 | 2.36 | 2.36 | 4.89% | 6,258,300 |
| Sep 15, 2025 | 2.63 | 2.63 | 2.21 | 2.25 | 2.25 | -11.07% | 10,194,833 |
| Sep 12, 2025 | 2.22 | 2.67 | 2.14 | 2.53 | 2.53 | 12.44% | 14,462,836 |
| Sep 11, 2025 | 2.10 | 2.27 | 2.10 | 2.25 | 2.25 | 6.64% | 1,970,309 |
| Sep 10, 2025 | 2.33 | 2.40 | 2.05 | 2.11 | 2.11 | -7.46% | 3,805,553 |
| Sep 9, 2025 | 2.21 | 2.32 | 2.17 | 2.28 | 2.28 | 3.17% | 4,173,177 |
| Sep 8, 2025 | 2.13 | 2.24 | 2.11 | 2.21 | 2.21 | 4.25% | 3,285,808 |
| Sep 5, 2025 | 2.18 | 2.22 | 2.05 | 2.12 | 2.12 | -0.93% | 1,957,893 |
| Sep 4, 2025 | 2.03 | 2.17 | 2.00 | 2.14 | 2.14 | 4.39% | 2,681,960 |
| Sep 3, 2025 | 2.08 | 2.13 | 2.04 | 2.05 | 2.05 | -0.97% | 1,613,732 |
| Sep 2, 2025 | 2.02 | 2.10 | 1.99 | 2.07 | 2.07 | -1.43% | 1,862,687 |
| Aug 29, 2025 | 2.19 | 2.20 | 2.06 | 2.10 | 2.10 | -3.67% | 2,021,144 |
| Aug 28, 2025 | 2.25 | 2.29 | 2.16 | 2.18 | 2.18 | 0.93% | 2,732,276 |
| Aug 27, 2025 | 2.23 | 2.24 | 2.13 | 2.16 | 2.16 | -1.82% | 3,463,187 |
| Aug 26, 2025 | 1.92 | 2.21 | 1.91 | 2.20 | 2.20 | 13.99% | 6,573,270 |
| Aug 25, 2025 | 1.89 | 1.97 | 1.84 | 1.93 | 1.93 | 2.12% | 2,124,634 |
| Aug 22, 2025 | 1.75 | 1.90 | 1.75 | 1.89 | 1.89 | 8.00% | 1,694,657 |