Kopin Corporation (KOPN) — Price History
As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.
Daily prices
| Date | Open | High | Low | Close | Chg % | Volume |
|---|---|---|---|---|---|---|
| 2026-08-07 | 4.20 | 4.35 | 4.15 | 4.27 | +4.66% | 2,725,600 |
| 2026-08-06 | 3.85 | 4.21 | 3.79 | 4.08 | +3.29% | 3,114,700 |
| 2026-08-05 | 4.11 | 4.16 | 3.94 | 3.95 | -4.82% | 3,044,400 |
| 2026-08-04 | 3.92 | 4.26 | 3.92 | 4.15 | +10.96% | 5,016,200 |
| 2026-08-03 | 3.55 | 3.78 | 3.44 | 3.74 | +6.25% | 2,932,900 |
| 2026-07-31 | 3.67 | 3.71 | 3.42 | 3.52 | -1.68% | 3,156,300 |
| 2026-07-30 | 3.32 | 3.62 | 3.31 | 3.58 | +13.29% | 3,535,400 |
| 2026-07-29 | 3.48 | 3.55 | 3.15 | 3.16 | -10.48% | 6,043,800 |
| 2026-07-28 | 3.53 | 3.55 | 3.35 | 3.53 | -4.85% | 4,278,000 |
| 2026-07-27 | 3.63 | 3.84 | 3.50 | 3.71 | +3.63% | 3,385,300 |
| 2026-07-24 | 3.76 | 3.82 | 3.57 | 3.58 | -5.79% | 3,575,100 |
| 2026-07-23 | 3.73 | 3.83 | 3.59 | 3.80 | +1.33% | 4,702,900 |
| 2026-07-22 | 3.98 | 4.07 | 3.70 | 3.75 | -7.64% | 3,074,600 |
| 2026-07-21 | 3.87 | 4.13 | 3.87 | 4.06 | +7.69% | 4,732,699 |
| 2026-07-20 | 3.87 | 3.94 | 3.75 | 3.77 | -1.05% | 3,691,430 |
| 2026-07-17 | 3.61 | 3.99 | 3.38 | 3.81 | +3.25% | 6,007,200 |
| 2026-07-16 | 4.09 | 4.10 | 3.62 | 3.69 | -12.77% | 4,914,900 |
| 2026-07-15 | 4.20 | 4.43 | 4.10 | 4.23 | +12.50% | 7,577,600 |
| 2026-07-14 | 3.81 | 3.90 | 3.74 | 3.76 | +3.58% | 3,831,500 |
| 2026-07-13 | 3.78 | 3.81 | 3.56 | 3.63 | -6.92% | 3,498,100 |
| 2026-07-10 | 4.03 | 4.05 | 3.88 | 3.90 | -4.65% | 2,213,900 |
| 2026-07-09 | 4.06 | 4.20 | 4.02 | 4.09 | +3.81% | 2,868,100 |
| 2026-07-08 | 3.75 | 3.99 | 3.73 | 3.94 | +3.96% | 2,883,700 |
| 2026-07-07 | 4.00 | 4.00 | 3.70 | 3.79 | -8.23% | 3,805,800 |
| 2026-07-06 | 3.96 | 4.26 | 3.91 | 4.13 | +5.90% | 4,056,000 |
| 2026-07-02 | 4.28 | 4.53 | 3.87 | 3.90 | -7.58% | 5,851,000 |
| 2026-07-01 | 4.39 | 4.52 | 4.20 | 4.22 | -5.80% | 5,115,600 |
| 2026-06-30 | 4.32 | 4.62 | 4.31 | 4.48 | +3.70% | 4,830,000 |
| 2026-06-29 | 4.02 | 4.33 | 3.90 | 4.32 | +13.09% | 6,531,600 |
| 2026-06-26 | 3.71 | 3.92 | 3.65 | 3.82 | +0.79% | 10,846,000 |
| 2026-06-25 | 4.01 | 4.01 | 3.64 | 3.79 | -1.56% | 6,311,000 |
| 2026-06-24 | 4.10 | 4.23 | 3.73 | 3.85 | -4.94% | 7,447,100 |
| 2026-06-23 | 4.35 | 4.43 | 4.04 | 4.05 | -11.38% | 8,350,700 |
| 2026-06-22 | 4.92 | 4.96 | 4.53 | 4.57 | -7.30% | 6,407,300 |
| 2026-06-18 | 5.11 | 5.16 | 4.74 | 4.93 | +1.44% | 15,633,900 |
| 2026-06-17 | 4.95 | 5.20 | 4.83 | 4.86 | +0.00% | 5,089,500 |
| 2026-06-16 | 5.11 | 5.21 | 4.81 | 4.86 | -6.90% | 5,577,500 |
| 2026-06-15 | 5.31 | 5.46 | 5.07 | 5.22 | +5.67% | 5,715,500 |
| 2026-06-12 | 5.13 | 5.22 | 4.79 | 4.94 | -3.70% | 5,365,200 |
| 2026-06-11 | 4.68 | 5.18 | 4.59 | 5.13 | +11.52% | 6,467,700 |
| 2026-06-10 | 4.84 | 4.98 | 4.56 | 4.60 | -6.69% | 6,625,900 |
| 2026-06-09 | 5.67 | 5.70 | 4.60 | 4.93 | -9.87% | 9,219,800 |
| 2026-06-08 | 5.69 | 5.88 | 5.33 | 5.47 | +0.18% | 6,138,500 |
| 2026-06-05 | 6.08 | 6.15 | 5.25 | 5.46 | -14.55% | 9,817,500 |
| 2026-06-04 | 5.86 | 6.49 | 5.78 | 6.39 | +3.23% | 7,680,400 |
| 2026-06-03 | 6.19 | 6.61 | 6.00 | 6.19 | +1.48% | 12,680,100 |
| 2026-06-02 | 5.70 | 6.18 | 5.68 | 6.10 | +5.72% | 6,344,100 |
| 2026-06-01 | 5.52 | 6.03 | 5.38 | 5.77 | +1.05% | 6,684,800 |
| 2026-05-29 | 5.97 | 5.98 | 5.49 | 5.71 | -5.62% | 7,661,300 |
| 2026-05-28 | 5.56 | 6.14 | 5.56 | 6.05 | +9.80% | 10,763,100 |
| 2026-05-27 | 5.52 | 5.78 | 5.33 | 5.51 | -1.78% | 7,681,600 |
| 2026-05-26 | 5.40 | 5.75 | 5.20 | 5.61 | +9.14% | 9,029,700 |
| 2026-05-22 | 4.93 | 5.29 | 4.89 | 5.14 | +5.98% | 7,794,200 |
| 2026-05-21 | 4.63 | 4.87 | 4.52 | 4.85 | +2.75% | 4,784,600 |
| 2026-05-20 | 4.42 | 4.88 | 4.20 | 4.72 | +8.01% | 5,997,100 |
| 2026-05-19 | 4.79 | 4.84 | 4.28 | 4.37 | -11.54% | 10,600,800 |
| 2026-05-18 | 5.08 | 5.13 | 4.67 | 4.94 | -2.18% | 12,226,900 |
| 2026-05-15 | 5.25 | 5.34 | 5.01 | 5.05 | -8.51% | 9,048,800 |
| 2026-05-14 | 4.98 | 5.55 | 4.90 | 5.52 | +9.96% | 10,339,400 |
| 2026-05-13 | 5.50 | 5.70 | 4.81 | 5.02 | -6.17% | 13,151,600 |
| 2026-05-12 | 5.66 | 6.45 | 4.77 | 5.35 | +7.65% | 40,233,400 |
| 2026-05-11 | 5.42 | 5.42 | 4.88 | 4.97 | -8.13% | 13,663,800 |
| 2026-05-08 | 4.97 | 5.45 | 4.87 | 5.41 | +12.24% | 15,307,000 |
| 2026-05-07 | 4.91 | 5.04 | 4.65 | 4.82 | -1.83% | 10,339,600 |
| 2026-05-06 | 4.78 | 4.95 | 4.50 | 4.91 | +3.37% | 10,719,400 |
| 2026-05-05 | 4.79 | 4.90 | 4.35 | 4.75 | +6.26% | 20,984,500 |
| 2026-05-04 | 4.31 | 4.88 | 4.17 | 4.47 | +3.95% | 15,337,100 |
| 2026-05-01 | 4.35 | 4.59 | 4.20 | 4.30 | -3.59% | 9,505,300 |
| 2026-04-30 | 3.89 | 4.49 | 3.67 | 4.46 | +13.49% | 11,610,200 |
| 2026-04-29 | 4.14 | 4.15 | 3.70 | 3.93 | -1.75% | 11,418,500 |
| 2026-04-28 | 3.79 | 4.63 | 3.41 | 4.00 | +7.82% | 41,085,800 |
| 2026-04-27 | 3.81 | 3.95 | 3.56 | 3.71 | +0.27% | 5,672,100 |
| 2026-04-24 | 3.63 | 3.90 | 3.60 | 3.70 | +4.82% | 8,298,200 |
| 2026-04-23 | 3.20 | 3.58 | 3.19 | 3.53 | +9.97% | 9,246,700 |
| 2026-04-22 | 3.00 | 3.37 | 2.98 | 3.21 | +12.63% | 6,832,400 |
| 2026-04-21 | 2.89 | 2.98 | 2.82 | 2.85 | +0.35% | 2,582,200 |
| 2026-04-20 | 2.93 | 2.98 | 2.81 | 2.84 | -4.70% | 2,252,100 |
| 2026-04-17 | 3.04 | 3.07 | 2.93 | 2.98 | +1.02% | 4,401,600 |
| 2026-04-16 | 2.92 | 2.98 | 2.82 | 2.95 | +1.03% | 3,415,500 |
| 2026-04-15 | 2.71 | 3.03 | 2.70 | 2.92 | +7.35% | 5,489,100 |
| 2026-04-14 | 2.85 | 2.92 | 2.62 | 2.72 | -2.86% | 3,486,800 |
| 2026-04-13 | 2.61 | 2.89 | 2.60 | 2.80 | +5.26% | 3,070,800 |
| 2026-04-10 | 2.68 | 2.77 | 2.62 | 2.66 | -0.75% | 2,003,400 |
| 2026-04-09 | 2.70 | 2.82 | 2.67 | 2.68 | -1.83% | 2,516,700 |
| 2026-04-08 | 2.70 | 2.77 | 2.59 | 2.73 | +8.33% | 3,506,000 |
| 2026-04-07 | 2.54 | 2.56 | 2.43 | 2.52 | -2.33% | 2,966,500 |
| 2026-04-06 | 2.62 | 2.63 | 2.51 | 2.58 | -1.53% | 2,813,700 |
| 2026-04-02 | 2.36 | 2.68 | 2.34 | 2.62 | +7.38% | 5,762,400 |
| 2026-04-01 | 2.30 | 2.62 | 2.28 | 2.44 | +8.44% | 8,803,100 |
| 2026-03-31 | 1.93 | 2.27 | 1.92 | 2.25 | +19.68% | 6,003,500 |
| 2026-03-30 | 1.82 | 2.03 | 1.81 | 1.88 | +3.58% | 4,303,500 |
| 2026-03-27 | 1.92 | 2.19 | 1.81 | 1.81 | -5.71% | 5,488,177 |
| 2026-03-26 | 2.25 | 2.27 | 1.92 | 1.93 | -16.30% | 4,600,525 |
| 2026-03-25 | 2.14 | 2.45 | 2.14 | 2.30 | +10.05% | 4,595,878 |
| 2026-03-24 | 2.03 | 2.15 | 2.01 | 2.09 | +0.97% | 1,797,789 |
| 2026-03-23 | 2.01 | 2.10 | 1.96 | 2.07 | +4.55% | 1,845,724 |
| 2026-03-20 | 2.07 | 2.07 | 1.91 | 1.98 | -5.26% | 3,569,898 |
| 2026-03-19 | 2.05 | 2.11 | 1.98 | 2.09 | +1.46% | 2,248,884 |
| 2026-03-18 | 2.15 | 2.19 | 2.06 | 2.06 | -4.63% | 1,466,400 |
| 2026-03-17 | 2.15 | 2.19 | 2.09 | 2.16 | +2.37% | 1,867,433 |
| 2026-03-16 | 2.15 | 2.19 | 2.09 | 2.11 | +1.44% | 1,364,369 |
| 2026-03-13 | 2.18 | 2.23 | 2.06 | 2.08 | -2.80% | 1,644,548 |
| 2026-03-12 | 2.17 | 2.21 | 2.12 | 2.14 | -4.89% | 1,122,114 |
| 2026-03-11 | 2.16 | 2.29 | 2.16 | 2.25 | +4.17% | 1,178,691 |
| 2026-03-10 | 2.18 | 2.26 | 2.14 | 2.16 | -0.92% | 2,053,913 |
| 2026-03-09 | 2.17 | 2.21 | 2.08 | 2.18 | +0.46% | 1,535,213 |
| 2026-03-06 | 2.21 | 2.32 | 2.15 | 2.17 | -5.65% | 1,410,936 |
| 2026-03-05 | 2.28 | 2.37 | 2.23 | 2.30 | -0.86% | 2,300,960 |
| 2026-03-04 | 2.32 | 2.36 | 2.26 | 2.32 | +2.20% | 2,170,894 |
| 2026-03-03 | 2.28 | 2.35 | 2.20 | 2.27 | -5.02% | 1,750,688 |
| 2026-03-02 | 2.15 | 2.40 | 2.15 | 2.39 | +8.14% | 1,909,457 |
| 2026-02-27 | 2.24 | 2.25 | 2.13 | 2.21 | -4.74% | 1,847,525 |
| 2026-02-26 | 2.36 | 2.36 | 2.25 | 2.32 | -0.43% | 1,781,637 |
| 2026-02-25 | 2.23 | 2.39 | 2.19 | 2.33 | +7.87% | 1,951,623 |
| 2026-02-24 | 2.17 | 2.27 | 2.14 | 2.16 | +0.47% | 1,569,736 |
| 2026-02-23 | 2.25 | 2.25 | 2.12 | 2.15 | -6.11% | 1,671,678 |
| 2026-02-20 | 2.28 | 2.34 | 2.23 | 2.29 | -0.87% | 2,124,650 |
| 2026-02-19 | 2.22 | 2.32 | 2.17 | 2.31 | +2.67% | 1,583,348 |
| 2026-02-18 | 2.21 | 2.34 | 2.21 | 2.25 | +1.35% | 1,270,946 |
| 2026-02-17 | 2.19 | 2.28 | 2.12 | 2.22 | +0.91% | 1,821,320 |
| 2026-02-13 | 2.16 | 2.33 | 2.15 | 2.20 | +2.33% | 2,393,775 |
| 2026-02-12 | 2.31 | 2.35 | 2.15 | 2.15 | -5.70% | 5,163,389 |
| 2026-02-11 | 2.42 | 2.42 | 2.20 | 2.28 | -2.98% | 2,521,094 |
| 2026-02-10 | 2.36 | 2.42 | 2.33 | 2.35 | -0.42% | 1,739,333 |
| 2026-02-09 | 2.38 | 2.40 | 2.30 | 2.36 | -2.07% | 2,011,799 |
| 2026-02-06 | 2.29 | 2.44 | 2.26 | 2.41 | +11.06% | 2,969,676 |
| 2026-02-05 | 2.36 | 2.42 | 2.16 | 2.17 | -9.58% | 2,901,805 |
| 2026-02-04 | 2.72 | 2.73 | 2.32 | 2.40 | -11.11% | 3,874,256 |
| 2026-02-03 | 2.65 | 2.77 | 2.58 | 2.70 | +4.25% | 3,752,514 |
| 2026-02-02 | 2.52 | 2.68 | 2.51 | 2.59 | +1.57% | 2,676,468 |
| 2026-01-30 | 2.61 | 2.73 | 2.52 | 2.55 | -4.49% | 2,609,902 |
| 2026-01-29 | 2.66 | 2.70 | 2.50 | 2.67 | +0.38% | 2,587,181 |
| 2026-01-28 | 2.78 | 2.87 | 2.62 | 2.66 | -3.27% | 2,886,999 |
| 2026-01-27 | 2.66 | 2.80 | 2.59 | 2.75 | +4.17% | 2,620,389 |
| 2026-01-26 | 2.81 | 2.83 | 2.62 | 2.64 | -7.69% | 3,889,261 |
| 2026-01-23 | 3.11 | 3.11 | 2.83 | 2.86 | -8.63% | 3,092,716 |
| 2026-01-22 | 3.05 | 3.17 | 2.99 | 3.13 | +4.33% | 2,924,623 |
| 2026-01-21 | 3.24 | 3.28 | 2.85 | 3.00 | -5.06% | 4,599,769 |
| 2026-01-20 | 3.06 | 3.29 | 3.03 | 3.16 | -4.24% | 5,323,018 |
| 2026-01-16 | 3.30 | 3.56 | 3.24 | 3.30 | +11.49% | 13,986,460 |
| 2026-01-15 | 3.01 | 3.04 | 2.88 | 2.96 | -1.00% | 2,264,561 |
| 2026-01-14 | 2.96 | 3.02 | 2.83 | 2.99 | +0.00% | 2,878,505 |
| 2026-01-13 | 3.06 | 3.09 | 2.95 | 2.99 | +1.01% | 3,237,839 |
| 2026-01-12 | 2.83 | 2.99 | 2.77 | 2.96 | +4.23% | 2,412,411 |
| 2026-01-09 | 3.00 | 3.00 | 2.76 | 2.84 | -3.40% | 3,788,981 |
| 2026-01-08 | 2.66 | 3.00 | 2.65 | 2.94 | +11.36% | 6,094,591 |
| 2026-01-07 | 2.72 | 2.79 | 2.63 | 2.64 | -2.94% | 2,823,243 |
| 2026-01-06 | 2.56 | 2.75 | 2.54 | 2.72 | +5.84% | 2,417,368 |
| 2026-01-05 | 2.54 | 2.65 | 2.54 | 2.57 | +3.21% | 2,221,543 |
| 2026-01-02 | 2.39 | 2.52 | 2.39 | 2.49 | +6.41% | 2,013,709 |
| 2025-12-31 | 2.31 | 2.37 | 2.29 | 2.34 | +1.74% | 2,468,264 |
| 2025-12-30 | 2.34 | 2.37 | 2.28 | 2.30 | -1.29% | 1,314,018 |
| 2025-12-29 | 2.33 | 2.44 | 2.33 | 2.33 | -2.10% | 1,651,477 |
| 2025-12-26 | 2.43 | 2.43 | 2.36 | 2.38 | -2.86% | 1,041,110 |
| 2025-12-24 | 2.50 | 2.50 | 2.40 | 2.45 | -3.16% | 1,284,126 |
| 2025-12-23 | 2.55 | 2.59 | 2.46 | 2.53 | -2.32% | 2,817,241 |
| 2025-12-22 | 2.40 | 2.65 | 2.40 | 2.59 | +7.92% | 3,762,840 |
| 2025-12-19 | 2.36 | 2.44 | 2.32 | 2.40 | +2.13% | 15,687,570 |
| 2025-12-18 | 2.39 | 2.49 | 2.35 | 2.35 | +2.62% | 2,904,103 |
| 2025-12-17 | 2.53 | 2.65 | 2.28 | 2.29 | -8.40% | 3,524,571 |
| 2025-12-16 | 2.43 | 2.57 | 2.43 | 2.50 | +1.21% | 2,928,153 |
| 2025-12-15 | 2.60 | 2.62 | 2.40 | 2.47 | -2.76% | 4,606,862 |
| 2025-12-12 | 2.82 | 2.84 | 2.53 | 2.54 | -9.93% | 3,072,217 |
| 2025-12-11 | 2.65 | 2.84 | 2.55 | 2.82 | +6.02% | 2,845,417 |
| 2025-12-10 | 2.70 | 2.73 | 2.62 | 2.66 | -2.56% | 2,823,175 |
| 2025-12-09 | 2.66 | 2.76 | 2.63 | 2.73 | +0.74% | 1,541,278 |
| 2025-12-08 | 2.73 | 2.80 | 2.65 | 2.71 | +0.74% | 1,771,279 |
| 2025-12-05 | 2.71 | 2.80 | 2.64 | 2.69 | -0.74% | 1,922,277 |
| 2025-12-04 | 2.48 | 2.75 | 2.48 | 2.71 | +7.97% | 3,381,951 |
| 2025-12-03 | 2.29 | 2.52 | 2.25 | 2.51 | +10.09% | 2,292,223 |
| 2025-12-02 | 2.31 | 2.35 | 2.27 | 2.28 | +1.33% | 1,643,776 |
| 2025-12-01 | 2.35 | 2.39 | 2.23 | 2.25 | -7.79% | 2,254,350 |
| 2025-11-28 | 2.38 | 2.44 | 2.37 | 2.44 | +2.95% | 1,877,690 |
| 2025-11-26 | 2.35 | 2.42 | 2.32 | 2.37 | +0.42% | 1,705,722 |
| 2025-11-25 | 2.34 | 2.37 | 2.23 | 2.36 | +1.29% | 2,339,395 |
| 2025-11-24 | 2.27 | 2.34 | 2.24 | 2.33 | +2.19% | 2,599,077 |
| 2025-11-21 | 2.19 | 2.33 | 2.15 | 2.28 | +3.17% | 3,774,782 |
| 2025-11-20 | 2.38 | 2.50 | 2.17 | 2.21 | -2.64% | 4,927,666 |
| 2025-11-19 | 2.42 | 2.46 | 2.26 | 2.27 | -6.20% | 3,456,192 |
| 2025-11-18 | 2.35 | 2.46 | 2.31 | 2.42 | +0.83% | 3,473,204 |
| 2025-11-17 | 2.49 | 2.58 | 2.33 | 2.40 | -6.07% | 3,689,245 |
| 2025-11-14 | 2.43 | 2.69 | 2.43 | 2.56 | -0.58% | 3,465,136 |
| 2025-11-13 | 2.79 | 2.83 | 2.50 | 2.57 | -7.89% | 5,552,297 |
| 2025-11-12 | 3.15 | 3.28 | 2.70 | 2.79 | -0.36% | 7,363,880 |
| 2025-11-11 | 2.75 | 2.81 | 2.63 | 2.80 | +0.72% | 3,862,251 |
| 2025-11-10 | 2.99 | 3.09 | 2.78 | 2.78 | -2.11% | 4,516,117 |
| 2025-11-07 | 2.70 | 2.88 | 2.64 | 2.84 | -0.70% | 3,188,787 |
| 2025-11-06 | 3.12 | 3.12 | 2.83 | 2.86 | -8.33% | 4,350,735 |
| 2025-11-05 | 3.03 | 3.16 | 3.02 | 3.12 | +3.65% | 2,528,561 |
| 2025-11-04 | 3.08 | 3.27 | 2.99 | 3.01 | -7.95% | 4,074,539 |
| 2025-11-03 | 3.44 | 3.45 | 3.19 | 3.27 | -5.49% | 3,595,552 |
| 2025-10-31 | 3.44 | 3.54 | 3.32 | 3.46 | +1.47% | 2,780,829 |
| 2025-10-30 | 3.40 | 3.52 | 3.31 | 3.41 | -2.85% | 2,222,795 |
| 2025-10-29 | 3.53 | 3.65 | 3.38 | 3.51 | -0.85% | 4,070,745 |
| 2025-10-28 | 3.70 | 3.70 | 3.49 | 3.54 | -5.35% | 4,065,776 |
| 2025-10-27 | 3.91 | 4.08 | 3.69 | 3.74 | -1.32% | 4,278,389 |
| 2025-10-24 | 3.80 | 3.91 | 3.70 | 3.79 | +2.43% | 3,184,177 |
| 2025-10-23 | 3.70 | 3.77 | 3.61 | 3.70 | +1.09% | 3,400,081 |
| 2025-10-22 | 4.08 | 4.16 | 3.48 | 3.66 | -9.85% | 6,887,640 |
| 2025-10-21 | 4.05 | 4.12 | 3.94 | 4.06 | -0.98% | 5,862,923 |
| 2025-10-20 | 3.75 | 4.12 | 3.71 | 4.10 | +12.64% | 7,657,535 |
| 2025-10-17 | 3.55 | 3.86 | 3.51 | 3.64 | -0.27% | 6,395,470 |
| 2025-10-16 | 4.05 | 4.11 | 3.62 | 3.65 | -8.52% | 7,514,124 |
| 2025-10-15 | 4.07 | 4.09 | 3.68 | 3.99 | +1.27% | 9,879,395 |
| 2025-10-14 | 3.59 | 4.06 | 3.36 | 3.94 | +16.22% | 21,834,699 |
| 2025-10-13 | 3.21 | 3.40 | 3.12 | 3.39 | +13.38% | 5,553,759 |
| 2025-10-10 | 3.26 | 3.30 | 2.98 | 2.99 | -7.14% | 6,358,563 |
| 2025-10-09 | 3.54 | 3.54 | 3.13 | 3.22 | -9.55% | 5,958,142 |
| 2025-10-08 | 3.51 | 3.62 | 3.32 | 3.56 | +4.40% | 5,545,574 |
| 2025-10-07 | 3.66 | 3.69 | 3.25 | 3.41 | -4.48% | 9,461,367 |
| 2025-10-06 | 3.02 | 3.65 | 3.02 | 3.57 | +26.60% | 18,425,641 |
| 2025-10-03 | 2.68 | 2.84 | 2.61 | 2.82 | +6.82% | 5,448,819 |
| 2025-10-02 | 2.53 | 2.71 | 2.49 | 2.64 | +5.60% | 5,616,858 |
| 2025-10-01 | 2.40 | 2.52 | 2.32 | 2.50 | +2.88% | 4,106,054 |
| 2025-09-30 | 2.48 | 2.50 | 2.36 | 2.43 | -0.82% | 4,166,063 |
| 2025-09-29 | 2.40 | 2.66 | 2.37 | 2.45 | +7.46% | 7,100,823 |
| 2025-09-26 | 2.36 | 2.38 | 2.25 | 2.28 | -2.56% | 2,367,256 |
| 2025-09-25 | 2.44 | 2.44 | 2.28 | 2.34 | -7.14% | 3,452,937 |
| 2025-09-24 | 2.62 | 2.75 | 2.50 | 2.52 | -3.45% | 3,716,934 |
| 2025-09-23 | 2.71 | 2.80 | 2.58 | 2.61 | -3.69% | 4,235,478 |
| 2025-09-22 | 2.68 | 2.75 | 2.50 | 2.71 | +0.74% | 4,606,001 |
| 2025-09-19 | 2.71 | 2.82 | 2.65 | 2.69 | -0.37% | 7,807,369 |
| 2025-09-18 | 2.46 | 2.75 | 2.38 | 2.70 | +11.57% | 6,984,839 |
| 2025-09-17 | 2.36 | 2.46 | 2.29 | 2.42 | +2.54% | 5,266,362 |
| 2025-09-16 | 2.38 | 2.55 | 2.34 | 2.36 | +4.89% | 6,258,300 |
| 2025-09-15 | 2.63 | 2.63 | 2.21 | 2.25 | -11.07% | 10,194,830 |
| 2025-09-12 | 2.22 | 2.67 | 2.14 | 2.53 | +12.44% | 14,462,840 |
| 2025-09-11 | 2.10 | 2.27 | 2.10 | 2.25 | +6.64% | 1,970,309 |
| 2025-09-10 | 2.33 | 2.40 | 2.05 | 2.11 | -7.46% | 3,805,553 |
| 2025-09-09 | 2.21 | 2.32 | 2.17 | 2.28 | +3.17% | 4,173,177 |
| 2025-09-08 | 2.13 | 2.24 | 2.11 | 2.21 | +4.25% | 3,285,808 |
| 2025-09-05 | 2.18 | 2.22 | 2.05 | 2.12 | -0.93% | 1,957,893 |
| 2025-09-04 | 2.03 | 2.17 | 2.00 | 2.14 | +4.39% | 2,681,960 |
| 2025-09-03 | 2.08 | 2.13 | 2.04 | 2.05 | -0.97% | 1,623,292 |
| 2025-09-02 | 2.02 | 2.10 | 1.99 | 2.07 | -1.43% | 1,862,687 |
| 2025-08-29 | 2.19 | 2.19 | 2.06 | 2.10 | -3.67% | 2,021,144 |
| 2025-08-28 | 2.25 | 2.29 | 2.16 | 2.18 | +0.93% | 2,732,276 |
| 2025-08-27 | 2.23 | 2.24 | 2.13 | 2.16 | -1.82% | 3,463,187 |
| 2025-08-26 | 1.92 | 2.21 | 1.91 | 2.20 | +13.99% | 6,573,270 |
| 2025-08-25 | 1.89 | 1.97 | 1.84 | 1.93 | +2.12% | 2,124,634 |
| 2025-08-22 | 1.75 | 1.90 | 1.75 | 1.89 | +8.00% | 1,694,657 |
| 2025-08-21 | 1.74 | 1.78 | 1.72 | 1.75 | -1.13% | 1,047,319 |
| 2025-08-20 | 1.75 | 1.78 | 1.68 | 1.77 | -1.12% | 1,890,828 |
| 2025-08-19 | 1.94 | 1.95 | 1.75 | 1.79 | -7.73% | 2,688,930 |
| 2025-08-18 | 1.96 | 2.04 | 1.92 | 1.94 | -1.52% | 2,426,123 |
| 2025-08-15 | 1.91 | 2.02 | 1.87 | 1.97 | +3.14% | 2,772,960 |
| 2025-08-14 | 1.90 | 2.02 | 1.88 | 1.91 | +0.00% | 2,229,782 |
| 2025-08-13 | 2.03 | 2.12 | 1.91 | 1.91 | -4.02% | 3,381,717 |
| 2025-08-12 | 1.86 | 2.23 | 1.85 | 1.99 | +6.42% | 7,859,002 |
| 2025-08-11 | 1.93 | 2.04 | 1.84 | 1.87 | -2.60% | 2,908,919 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: Apr (+58.06%). Worst month: Mar (-16.23%). Based on 3 years of daily data (2024–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is Kopin Corporation's (KOPN) latest close?
4.27 on 2026-08-07, from the Closelook data lake's daily price record.
What is KOPN's 52-week high and low?
6.61 high and 1.68 low over the trailing 52 weeks, as of 2026-08-07.
What is Kopin Corporation's strongest and weakest month historically?
Historically, KOPN's strongest calendar month has been Apr (average +58.06%) and its weakest Mar (average -16.23%), based on 3 years of daily data (2024–2026).
How many years of seasonality does this cover?
3 years (2024–2026), computed from 547 daily bars in the Closelook data lake.