Plan Optik AG (P4O.DE) — 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 | 8.60 | 8.64 | 8.14 | 8.14 | -1.45% | 18,298 |
| 2026-08-06 | 8.20 | 8.56 | 7.90 | 8.26 | +2.99% | 7,746 |
| 2026-08-05 | 7.90 | 8.20 | 7.86 | 8.02 | +4.16% | 2,850 |
| 2026-08-04 | 7.68 | 7.78 | 7.52 | 7.70 | +4.05% | 3,484 |
| 2026-08-03 | 7.72 | 7.72 | 7.20 | 7.40 | -0.54% | 11,513 |
| 2026-07-31 | 7.38 | 7.90 | 7.38 | 7.44 | -0.80% | 22,034 |
| 2026-07-30 | 7.00 | 7.80 | 6.98 | 7.50 | +7.14% | 25,042 |
| 2026-07-29 | 7.10 | 7.34 | 6.90 | 7.00 | -2.78% | 7,223 |
| 2026-07-28 | 7.40 | 7.62 | 7.20 | 7.20 | -4.26% | 4,631 |
| 2026-07-27 | 7.52 | 7.96 | 7.34 | 7.52 | -1.05% | 12,816 |
| 2026-07-24 | 7.62 | 7.80 | 7.50 | 7.60 | -1.55% | 8,804 |
| 2026-07-23 | 8.04 | 8.04 | 7.62 | 7.72 | -2.77% | 6,430 |
| 2026-07-22 | 7.66 | 8.04 | 7.62 | 7.94 | +3.12% | 9,973 |
| 2026-07-21 | 7.62 | 8.48 | 7.54 | 7.70 | +1.05% | 18,817 |
| 2026-07-20 | 8.00 | 8.00 | 7.46 | 7.62 | -5.22% | 23,531 |
| 2026-07-17 | 8.30 | 8.44 | 7.70 | 8.04 | -4.74% | 30,123 |
| 2026-07-16 | 8.58 | 8.78 | 8.30 | 8.44 | -2.09% | 10,999 |
| 2026-07-15 | 8.70 | 9.16 | 8.60 | 8.62 | -0.92% | 8,566 |
| 2026-07-14 | 8.94 | 8.94 | 8.70 | 8.70 | -2.25% | 547 |
| 2026-07-13 | 8.96 | 8.96 | 8.18 | 8.90 | +1.83% | 5,762 |
| 2026-07-10 | 8.94 | 9.16 | 8.74 | 8.74 | -2.24% | 4,313 |
| 2026-07-09 | 8.74 | 9.12 | 8.74 | 8.94 | +5.18% | 10,479 |
| 2026-07-08 | 8.90 | 8.90 | 8.12 | 8.50 | -3.19% | 33,989 |
| 2026-07-07 | 9.80 | 9.80 | 8.68 | 8.78 | -9.30% | 18,724 |
| 2026-07-06 | 9.40 | 9.70 | 9.06 | 9.68 | +4.31% | 8,858 |
| 2026-07-03 | 9.28 | 9.42 | 9.06 | 9.28 | +0.87% | 4,721 |
| 2026-07-02 | 9.44 | 9.64 | 9.06 | 9.20 | -2.95% | 20,888 |
| 2026-07-01 | 10.00 | 10.00 | 9.38 | 9.48 | -4.44% | 5,985 |
| 2026-06-30 | 9.54 | 10.10 | 9.44 | 9.92 | +5.53% | 4,159 |
| 2026-06-29 | 9.26 | 10.45 | 9.22 | 9.40 | +1.95% | 10,536 |
| 2026-06-26 | 9.48 | 9.90 | 9.02 | 9.22 | -3.96% | 15,616 |
| 2026-06-25 | 9.40 | 10.85 | 9.40 | 9.60 | +4.58% | 27,209 |
| 2026-06-24 | 9.36 | 9.52 | 9.06 | 9.18 | -4.37% | 6,487 |
| 2026-06-23 | 9.64 | 10.00 | 9.12 | 9.60 | -1.03% | 20,150 |
| 2026-06-22 | 9.58 | 11.10 | 9.58 | 9.70 | +5.43% | 46,522 |
| 2026-06-19 | 8.92 | 9.26 | 8.80 | 9.20 | +2.22% | 9,206 |
| 2026-06-18 | 10.25 | 10.25 | 8.78 | 9.00 | -6.64% | 19,398 |
| 2026-06-17 | 9.40 | 9.94 | 9.36 | 9.64 | +2.55% | 20,903 |
| 2026-06-16 | 10.00 | 10.20 | 9.36 | 9.40 | -4.67% | 29,059 |
| 2026-06-15 | 10.05 | 10.80 | 9.80 | 9.86 | -0.40% | 39,266 |
| 2026-06-12 | 10.25 | 11.00 | 9.68 | 9.90 | -1.00% | 25,725 |
| 2026-06-11 | 10.15 | 10.35 | 9.66 | 10.00 | -2.91% | 26,327 |
| 2026-06-10 | 9.90 | 10.65 | 9.80 | 10.30 | +3.00% | 25,028 |
| 2026-06-09 | 11.00 | 11.40 | 9.68 | 10.00 | -13.04% | 44,111 |
| 2026-06-08 | 11.00 | 11.50 | 10.75 | 11.50 | +1.77% | 19,344 |
| 2026-06-05 | 12.35 | 12.90 | 11.20 | 11.30 | -7.38% | 12,382 |
| 2026-06-04 | 12.90 | 12.90 | 11.15 | 12.20 | -2.01% | 22,822 |
| 2026-06-03 | 13.20 | 13.40 | 12.45 | 12.45 | -5.68% | 18,632 |
| 2026-06-02 | 12.45 | 14.00 | 12.45 | 13.20 | +6.88% | 41,798 |
| 2026-06-01 | 14.15 | 14.20 | 12.00 | 12.35 | -14.24% | 57,828 |
| 2026-05-29 | 13.70 | 16.00 | 13.45 | 14.40 | +7.06% | 108,404 |
| 2026-05-28 | 10.45 | 14.70 | 10.00 | 13.45 | +29.33% | 149,566 |
| 2026-05-27 | 11.00 | 11.70 | 9.98 | 10.40 | -8.37% | 49,042 |
| 2026-05-26 | 11.70 | 12.15 | 10.75 | 11.35 | -0.44% | 63,478 |
| 2026-05-25 | 10.20 | 11.75 | 10.20 | 11.40 | +15.38% | 50,921 |
| 2026-05-22 | 9.86 | 10.70 | 9.60 | 9.88 | +1.23% | 16,361 |
| 2026-05-21 | 10.50 | 10.80 | 9.40 | 9.76 | -9.63% | 59,744 |
| 2026-05-20 | 9.94 | 11.20 | 9.94 | 10.80 | +9.09% | 23,763 |
| 2026-05-19 | 11.15 | 11.35 | 9.70 | 9.90 | -16.10% | 60,798 |
| 2026-05-18 | 12.30 | 12.90 | 11.50 | 11.80 | -7.45% | 32,873 |
| 2026-05-15 | 14.35 | 14.35 | 12.25 | 12.75 | -12.67% | 52,948 |
| 2026-05-14 | 13.60 | 14.70 | 13.00 | 14.60 | +8.55% | 70,197 |
| 2026-05-13 | 11.95 | 13.75 | 11.95 | 13.45 | +8.91% | 67,644 |
| 2026-05-12 | 12.15 | 12.90 | 10.90 | 12.35 | +1.65% | 58,119 |
| 2026-05-11 | 11.70 | 13.25 | 11.35 | 12.15 | +13.02% | 163,593 |
| 2026-05-08 | 9.22 | 11.20 | 9.20 | 10.75 | +16.09% | 67,141 |
| 2026-05-07 | 8.40 | 9.88 | 8.40 | 9.26 | +12.38% | 46,879 |
| 2026-05-06 | 9.32 | 9.34 | 8.22 | 8.24 | -10.82% | 34,466 |
| 2026-05-05 | 9.06 | 9.84 | 8.82 | 9.24 | +1.54% | 27,979 |
| 2026-05-04 | 7.96 | 9.78 | 7.80 | 9.10 | +15.48% | 75,924 |
| 2026-04-30 | 8.28 | 9.00 | 7.50 | 7.88 | -5.29% | 39,004 |
| 2026-04-29 | 9.20 | 9.78 | 8.12 | 8.32 | -7.76% | 50,392 |
| 2026-04-28 | 10.40 | 10.65 | 9.00 | 9.02 | -13.68% | 28,538 |
| 2026-04-27 | 10.75 | 11.45 | 10.15 | 10.45 | -2.34% | 44,555 |
| 2026-04-24 | 9.78 | 10.70 | 9.50 | 10.70 | +4.90% | 37,015 |
| 2026-04-23 | 10.75 | 11.45 | 10.00 | 10.20 | -6.85% | 28,407 |
| 2026-04-22 | 10.30 | 12.00 | 10.20 | 10.95 | +10.61% | 72,823 |
| 2026-04-21 | 11.40 | 11.95 | 9.22 | 9.90 | -7.48% | 76,196 |
| 2026-04-20 | 10.30 | 12.10 | 10.05 | 10.70 | +4.39% | 105,097 |
| 2026-04-17 | 9.44 | 11.00 | 9.44 | 10.25 | +9.28% | 128,555 |
| 2026-04-16 | 9.82 | 10.20 | 9.38 | 9.38 | +0.86% | 94,668 |
| 2026-04-15 | 9.22 | 9.50 | 9.00 | 9.30 | +3.10% | 92,247 |
| 2026-04-14 | 7.90 | 9.48 | 7.80 | 9.02 | +15.64% | 79,021 |
| 2026-04-13 | 7.40 | 7.90 | 7.40 | 7.80 | +7.73% | 35,801 |
| 2026-04-10 | 7.20 | 7.38 | 7.14 | 7.24 | +2.26% | 3,511 |
| 2026-04-09 | 6.92 | 7.20 | 6.92 | 7.08 | +0.57% | 2,365 |
| 2026-04-08 | 7.46 | 7.56 | 6.74 | 7.04 | -0.85% | 13,106 |
| 2026-04-07 | 6.86 | 7.40 | 6.86 | 7.10 | +3.65% | 14,692 |
| 2026-04-02 | 6.60 | 7.00 | 6.60 | 6.85 | +8.73% | 4,646 |
| 2026-04-01 | 6.70 | 7.20 | 6.30 | 6.30 | -4.55% | 22,422 |
| 2026-03-31 | 6.40 | 6.70 | 6.40 | 6.60 | -1.49% | 2,840 |
| 2026-03-30 | 7.35 | 7.45 | 6.25 | 6.70 | -8.84% | 51,449 |
| 2026-03-27 | 8.15 | 8.30 | 6.60 | 7.35 | -0.68% | 34,751 |
| 2026-03-26 | 9.10 | 9.15 | 7.20 | 7.40 | -38.84% | 119,323 |
| 2026-03-25 | 6.00 | 12.10 | 5.50 | 12.10 | +108.62% | 116,723 |
| 2026-03-24 | 5.80 | 6.05 | 5.65 | 5.80 | -3.33% | 15,284 |
| 2026-03-23 | 5.35 | 6.00 | 5.35 | 6.00 | +11.11% | 18,203 |
| 2026-03-20 | 5.20 | 5.45 | 5.20 | 5.40 | +4.85% | 17,770 |
| 2026-03-19 | 5.05 | 5.30 | 5.00 | 5.15 | -1.90% | 4,019 |
| 2026-03-18 | 5.15 | 5.30 | 5.15 | 5.25 | +1.94% | 1,482 |
| 2026-03-17 | 5.00 | 5.20 | 5.00 | 5.15 | +0.00% | 525 |
| 2026-03-16 | 4.98 | 5.20 | 4.98 | 5.15 | +5.53% | 15,486 |
| 2026-03-13 | 4.88 | 4.94 | 4.82 | 4.88 | +3.83% | 3,770 |
| 2026-03-12 | 4.84 | 4.84 | 4.70 | 4.70 | -1.26% | 122 |
| 2026-03-11 | 4.94 | 4.94 | 4.76 | 4.76 | -1.65% | 3,235 |
| 2026-03-10 | 4.86 | 4.90 | 4.84 | 4.84 | +3.86% | 158 |
| 2026-03-09 | 5.20 | 5.20 | 4.60 | 4.66 | -10.38% | 8,902 |
| 2026-03-06 | 5.10 | 5.20 | 5.10 | 5.20 | +0.00% | 2 |
| 2026-03-05 | 5.30 | 5.50 | 5.20 | 5.20 | -0.95% | 6,159 |
| 2026-03-04 | 5.25 | 5.25 | 5.25 | 5.25 | -0.94% | 450 |
| 2026-03-03 | 5.35 | 5.35 | 5.20 | 5.30 | -2.75% | 1,204 |
| 2026-03-02 | 5.45 | 5.65 | 5.40 | 5.45 | -1.80% | 385 |
| 2026-02-27 | 5.75 | 5.75 | 5.50 | 5.55 | -0.89% | 348 |
| 2026-02-26 | 5.35 | 5.75 | 5.30 | 5.60 | +8.74% | 8,546 |
| 2026-02-25 | 5.25 | 5.25 | 5.15 | 5.15 | -1.90% | 653 |
| 2026-02-24 | 5.20 | 5.25 | 5.15 | 5.25 | +1.94% | 2,013 |
| 2026-02-23 | 5.10 | 5.25 | 5.10 | 5.15 | +1.98% | 2,212 |
| 2026-02-20 | 5.15 | 5.15 | 4.96 | 5.05 | +0.00% | 2,938 |
| 2026-02-19 | 5.05 | 5.05 | 5.05 | 5.05 | +0.00% | 520 |
| 2026-02-18 | 5.05 | 5.15 | 5.05 | 5.05 | -1.94% | 520 |
| 2026-02-17 | 5.15 | 5.15 | 5.10 | 5.15 | +0.98% | 2,535 |
| 2026-02-16 | 5.05 | 5.15 | 5.05 | 5.10 | +3.66% | 1,605 |
| 2026-02-13 | 5.00 | 5.05 | 4.92 | 4.92 | -0.40% | 437 |
| 2026-02-12 | 4.94 | 4.94 | 4.94 | 4.94 | +0.41% | 54 |
| 2026-02-11 | 4.98 | 4.98 | 4.92 | 4.92 | -2.57% | 54 |
| 2026-02-10 | 4.82 | 5.05 | 4.82 | 5.05 | +3.06% | 736 |
| 2026-02-09 | 4.90 | 4.90 | 4.80 | 4.90 | -2.00% | 5,020 |
| 2026-02-06 | 5.00 | 5.00 | 5.00 | 5.00 | -0.99% | 4,152 |
| 2026-02-05 | 4.98 | 5.05 | 4.82 | 5.05 | +0.00% | 4,152 |
| 2026-02-04 | 5.05 | 5.10 | 5.05 | 5.05 | +1.41% | 1,262 |
| 2026-02-03 | 4.98 | 4.98 | 4.98 | 4.98 | +0.00% | 272 |
| 2026-02-02 | 4.96 | 4.98 | 4.96 | 4.98 | -2.35% | 103 |
| 2026-01-30 | 5.10 | 5.10 | 5.00 | 5.10 | -1.92% | 3,034 |
| 2026-01-29 | 5.25 | 5.25 | 5.20 | 5.20 | +0.00% | 712 |
| 2026-01-28 | 5.30 | 5.30 | 5.20 | 5.20 | -1.89% | 1,032 |
| 2026-01-27 | 5.35 | 5.35 | 5.25 | 5.30 | +0.95% | 1,788 |
| 2026-01-26 | 5.35 | 5.35 | 5.15 | 5.25 | +0.00% | 6,857 |
| 2026-01-23 | 5.20 | 5.35 | 5.15 | 5.25 | +0.00% | 4,341 |
| 2026-01-22 | 5.15 | 5.25 | 5.15 | 5.25 | +0.96% | 410 |
| 2026-01-21 | 5.25 | 5.30 | 5.20 | 5.20 | +0.00% | 15,886 |
| 2026-01-20 | 5.25 | 5.25 | 5.20 | 5.20 | +0.97% | 4,655 |
| 2026-01-19 | 5.20 | 5.20 | 5.15 | 5.15 | +0.98% | 1,352 |
| 2026-01-16 | 5.10 | 5.10 | 5.10 | 5.10 | +0.00% | 14 |
| 2026-01-15 | 5.20 | 5.20 | 5.00 | 5.10 | +0.00% | 14 |
| 2026-01-14 | 5.10 | 5.10 | 5.10 | 5.10 | -0.97% | 650 |
| 2026-01-13 | 5.20 | 5.25 | 5.15 | 5.15 | -0.96% | 8,603 |
| 2026-01-12 | 5.20 | 5.20 | 5.00 | 5.20 | +0.00% | 11,203 |
| 2026-01-09 | 5.60 | 5.60 | 5.20 | 5.20 | -5.45% | 16,994 |
| 2026-01-08 | 4.98 | 5.50 | 4.96 | 5.50 | +10.00% | 11,969 |
| 2026-01-07 | 5.05 | 5.05 | 4.90 | 5.00 | +0.00% | 5,706 |
| 2026-01-06 | 5.00 | 5.00 | 5.00 | 5.00 | -0.99% | 1,749 |
| 2026-01-05 | 4.88 | 5.05 | 4.70 | 5.05 | +3.91% | 12,543 |
| 2026-01-02 | 4.66 | 4.86 | 4.60 | 4.86 | +4.29% | 22,738 |
| 2025-12-30 | 4.70 | 4.70 | 4.66 | 4.66 | -0.85% | 50 |
| 2025-12-29 | 4.56 | 4.70 | 4.50 | 4.70 | +4.91% | 5,720 |
| 2025-12-23 | 4.40 | 4.60 | 4.38 | 4.48 | +3.23% | 14,198 |
| 2025-12-22 | 4.44 | 4.44 | 4.34 | 4.34 | +0.00% | 30 |
| 2025-12-19 | 4.34 | 4.34 | 4.34 | 4.34 | -1.36% | 1 |
| 2025-12-18 | 4.40 | 4.40 | 4.40 | 4.40 | +0.00% | 10 |
| 2025-12-17 | 4.40 | 4.40 | 4.40 | 4.40 | +0.00% | 3,527 |
| 2025-12-16 | 4.36 | 4.46 | 4.36 | 4.40 | -2.22% | 3,527 |
| 2025-12-15 | 4.50 | 4.50 | 4.50 | 4.50 | +0.00% | 7,428 |
| 2025-12-12 | 4.50 | 4.50 | 4.42 | 4.50 | +1.81% | 2,892 |
| 2025-12-11 | 4.42 | 4.50 | 4.36 | 4.42 | +0.91% | 10,425 |
| 2025-12-10 | 4.34 | 4.38 | 4.34 | 4.38 | +0.92% | 15 |
| 2025-12-09 | 4.32 | 4.36 | 4.32 | 4.34 | +1.40% | 3,061 |
| 2025-12-08 | 4.38 | 4.38 | 4.20 | 4.28 | -2.28% | 7,989 |
| 2025-12-05 | 4.20 | 4.38 | 4.18 | 4.38 | +2.82% | 5,169 |
| 2025-12-04 | 4.18 | 4.28 | 4.16 | 4.26 | +0.95% | 4,000 |
| 2025-12-03 | 4.06 | 4.22 | 4.06 | 4.22 | +4.46% | 6,289 |
| 2025-12-02 | 4.08 | 4.08 | 4.04 | 4.04 | -0.49% | 3,500 |
| 2025-12-01 | 4.08 | 4.10 | 4.00 | 4.06 | +2.01% | 21,242 |
| 2025-11-28 | 4.02 | 4.12 | 3.70 | 3.98 | -3.40% | 12,874 |
| 2025-11-27 | 4.18 | 4.18 | 4.08 | 4.12 | -0.48% | 3,193 |
| 2025-11-26 | 4.14 | 4.14 | 4.14 | 4.14 | +0.00% | 0 |
| 2025-11-25 | 4.14 | 4.14 | 4.14 | 4.14 | +0.98% | 147 |
| 2025-11-24 | 4.04 | 4.10 | 4.04 | 4.10 | +0.00% | 147 |
| 2025-11-21 | 4.14 | 4.14 | 4.10 | 4.10 | -0.49% | 750 |
| 2025-11-20 | 4.14 | 4.14 | 4.12 | 4.12 | +0.00% | 574 |
| 2025-11-19 | 4.16 | 4.16 | 4.12 | 4.12 | -0.48% | 500 |
| 2025-11-18 | 4.20 | 4.20 | 4.14 | 4.14 | +0.00% | 510 |
| 2025-11-17 | 4.14 | 4.14 | 4.14 | 4.14 | +0.49% | 1 |
| 2025-11-14 | 4.20 | 4.20 | 4.12 | 4.12 | +0.00% | 1 |
| 2025-11-13 | 4.12 | 4.12 | 4.12 | 4.12 | +0.00% | 1,004 |
| 2025-11-12 | 4.06 | 4.20 | 4.06 | 4.12 | -1.44% | 1,004 |
| 2025-11-11 | 4.18 | 4.18 | 4.18 | 4.18 | +0.00% | 490 |
| 2025-11-10 | 4.18 | 4.18 | 4.18 | 4.18 | +0.00% | 440 |
| 2025-11-07 | 4.18 | 4.18 | 4.18 | 4.18 | +0.00% | 440 |
| 2025-11-06 | 4.18 | 4.18 | 4.18 | 4.18 | -1.42% | 0 |
| 2025-11-05 | 4.24 | 4.24 | 4.24 | 4.24 | +0.00% | 833 |
| 2025-11-04 | 4.28 | 4.30 | 4.22 | 4.24 | -0.93% | 4,442 |
| 2025-11-03 | 4.28 | 4.28 | 4.28 | 4.28 | +0.47% | 0 |
| 2025-10-31 | 4.20 | 4.30 | 4.20 | 4.26 | -1.84% | 187 |
| 2025-10-30 | 4.32 | 4.34 | 4.20 | 4.34 | -1.36% | 3,417 |
| 2025-10-29 | 4.62 | 4.62 | 4.40 | 4.40 | -3.51% | 4,307 |
| 2025-10-28 | 4.50 | 4.56 | 4.50 | 4.56 | -0.87% | 1 |
| 2025-10-27 | 4.56 | 4.60 | 4.56 | 4.60 | +3.14% | 1,654 |
| 2025-10-24 | 4.40 | 4.56 | 4.40 | 4.46 | -0.89% | 410 |
| 2025-10-23 | 4.40 | 4.50 | 4.40 | 4.50 | +3.21% | 476 |
| 2025-10-22 | 4.46 | 4.52 | 4.36 | 4.36 | -3.54% | 3,822 |
| 2025-10-21 | 4.46 | 4.52 | 4.46 | 4.52 | +2.26% | 1,192 |
| 2025-10-20 | 4.26 | 4.42 | 4.26 | 4.42 | +7.28% | 6,659 |
| 2025-10-17 | 4.20 | 4.22 | 4.10 | 4.12 | -2.83% | 2,746 |
| 2025-10-16 | 4.30 | 4.30 | 4.24 | 4.24 | -3.20% | 21 |
| 2025-10-15 | 4.38 | 4.38 | 4.38 | 4.38 | -1.35% | 22 |
| 2025-10-14 | 4.44 | 4.44 | 4.44 | 4.44 | +0.91% | 22 |
| 2025-10-13 | 4.32 | 4.48 | 4.32 | 4.40 | +0.46% | 22 |
| 2025-10-10 | 4.40 | 4.40 | 4.30 | 4.38 | -3.95% | 3,559 |
| 2025-10-09 | 4.50 | 4.56 | 4.40 | 4.56 | -2.15% | 489 |
| 2025-10-08 | 4.66 | 4.66 | 4.66 | 4.66 | +0.00% | 2 |
| 2025-10-07 | 4.50 | 4.66 | 4.40 | 4.66 | -5.28% | 1,093 |
| 2025-10-06 | 4.92 | 4.92 | 4.92 | 4.92 | +0.00% | 8,496 |
| 2025-10-03 | 4.58 | 5.25 | 4.58 | 4.92 | +9.82% | 24,528 |
| 2025-10-02 | 4.46 | 4.48 | 4.46 | 4.48 | -3.03% | 1,200 |
| 2025-10-01 | 4.50 | 4.62 | 4.50 | 4.62 | +5.00% | 1,247 |
| 2025-09-30 | 4.40 | 4.40 | 4.40 | 4.40 | +0.00% | 6,045 |
| 2025-09-29 | 4.16 | 4.40 | 4.16 | 4.40 | +4.27% | 1,494 |
| 2025-09-26 | 4.22 | 4.22 | 4.22 | 4.22 | +0.00% | 0 |
| 2025-09-25 | 4.22 | 4.22 | 4.22 | 4.22 | +0.00% | 0 |
| 2025-09-24 | 4.22 | 4.22 | 4.22 | 4.22 | +0.96% | 90 |
| 2025-09-23 | 4.18 | 4.18 | 4.18 | 4.18 | +3.98% | 113 |
| 2025-09-22 | 4.02 | 4.02 | 4.02 | 4.02 | +0.00% | 113 |
| 2025-09-19 | 3.98 | 4.08 | 3.98 | 4.02 | +0.00% | 1,882 |
| 2025-09-18 | 3.94 | 4.02 | 3.94 | 4.02 | +0.00% | 13 |
| 2025-09-17 | 4.06 | 4.08 | 4.02 | 4.02 | +0.00% | 1,203 |
| 2025-09-16 | 4.00 | 4.02 | 4.00 | 4.02 | -0.99% | 600 |
| 2025-09-15 | 4.06 | 4.06 | 4.06 | 4.06 | +0.00% | 10 |
| 2025-09-12 | 3.96 | 4.10 | 3.96 | 4.06 | +0.50% | 3,469 |
| 2025-09-11 | 4.00 | 4.04 | 4.00 | 4.04 | +0.00% | 500 |
| 2025-09-10 | 4.16 | 4.16 | 4.04 | 4.04 | -0.98% | 21 |
| 2025-09-09 | 4.08 | 4.08 | 4.08 | 4.08 | -0.97% | 1,000 |
| 2025-09-08 | 4.12 | 4.12 | 4.12 | 4.12 | +0.00% | 1,000 |
| 2025-09-05 | 4.08 | 4.12 | 4.08 | 4.12 | +0.98% | 2 |
| 2025-09-04 | 4.00 | 4.08 | 4.00 | 4.08 | -1.45% | 80 |
| 2025-09-03 | 4.20 | 4.20 | 4.04 | 4.14 | +1.47% | 454 |
| 2025-09-02 | 3.90 | 4.12 | 3.90 | 4.08 | +0.00% | 3,785 |
| 2025-09-01 | 3.80 | 4.08 | 3.80 | 4.08 | +7.37% | 1,828 |
| 2025-08-29 | 3.80 | 3.80 | 3.80 | 3.80 | +0.53% | 6,590 |
| 2025-08-28 | 3.76 | 3.88 | 3.76 | 3.78 | +1.61% | 6,590 |
| 2025-08-27 | 3.72 | 3.72 | 3.72 | 3.72 | +0.00% | 7,210 |
| 2025-08-26 | 3.64 | 3.74 | 3.52 | 3.72 | -2.11% | 7,210 |
| 2025-08-25 | 3.80 | 3.80 | 3.60 | 3.80 | +1.06% | 2,936 |
| 2025-08-22 | 4.10 | 4.10 | 3.50 | 3.76 | -10.90% | 29,073 |
| 2025-08-21 | 4.22 | 4.22 | 4.22 | 4.22 | +0.00% | 14 |
| 2025-08-20 | 4.26 | 4.26 | 4.22 | 4.22 | +0.48% | 14 |
| 2025-08-19 | 4.20 | 4.20 | 4.20 | 4.20 | +0.96% | 1,983 |
| 2025-08-18 | 4.16 | 4.16 | 4.16 | 4.16 | +0.97% | 1,983 |
| 2025-08-15 | 4.12 | 4.12 | 4.12 | 4.12 | -1.90% | 1,983 |
| 2025-08-14 | 4.20 | 4.20 | 4.20 | 4.20 | +0.00% | 1,983 |
| 2025-08-13 | 4.20 | 4.20 | 4.20 | 4.20 | +1.45% | 1,983 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: May (+23.93%). Worst month: Aug (-10.16%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is Plan Optik AG's (P4O.DE) latest close?
8.14 on 2026-08-07, from the Closelook data lake's daily price record.
What is P4O.DE's 52-week high and low?
16.00 high and 3.50 low over the trailing 52 weeks, as of 2026-08-07.
What is Plan Optik AG's strongest and weakest month historically?
Historically, P4O.DE's strongest calendar month has been May (average +23.93%) and its weakest Aug (average -10.16%), based on 5 years of daily data (2022–2026).
How many years of seasonality does this cover?
5 years (2022–2026), computed from 979 daily bars in the Closelook data lake.