If you invested €1000 in IONOS Group SE (IOS.DE) since IPO date, it would be worth €2,058.15 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a €1000 investment made 3 years ago would be worth €2,706.15, while €1000 invested 1 year ago would be worth €1,107.36. This corresponds to total returns of 105.82%, 170.61%, 10.74%, respectively, with annualized returns of 21.51%, 39.35%, 10.74%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 21, 2026 | 35.54 | 36.52 | 36.52 | 36.52 | 35.28 | 133,328 |
| October 20, 2026 | 34.5 | 35.7 | 35.7 | 35.7 | 34.28 | 216,478 |
| October 19, 2026 | 34.04 | 34.8 | 34.8 | 34.98 | 33.96 | 91,591 |
| October 16, 2026 | 34.6 | 34.04 | 34.04 | 35.08 | 34.04 | 90,323 |
| October 15, 2026 | 33.36 | 34.6 | 34.6 | 34.94 | 33.36 | 148,505 |
| October 14, 2026 | 34.12 | 33.76 | 33.76 | 34.64 | 33.76 | 68,451 |
| October 13, 2026 | 33.38 | 34.2 | 34.2 | 34.26 | 33.22 | 108,690 |
| October 12, 2026 | 33 | 33.46 | 33.46 | 34.06 | 33 | 51,606 |
| October 09, 2026 | 32.98 | 32.98 | 32.98 | 33.22 | 32.54 | 84,871 |
| October 08, 2026 | 32.6 | 32.62 | 32.62 | 33.08 | 32.54 | 66,662 |
| October 07, 2026 | 32.42 | 32.62 | 32.62 | 33.06 | 32.4 | 82,379 |
| October 06, 2026 | 32.62 | 32.4 | 32.4 | 33.48 | 32.4 | 127,313 |
| October 05, 2026 | 32.46 | 32.6 | 32.6 | 32.88 | 32.4 | 116,366 |
| October 02, 2026 | 32.16 | 32.24 | 32.24 | 32.48 | 31.88 | 94,219 |
| October 01, 2026 | 31.46 | 32.1 | 32.1 | 33 | 30.8 | 121,147 |
| September 30, 2026 | 32.66 | 31.5 | 31.5 | 33.12 | 30.82 | 454,642 |
| September 29, 2026 | 34.16 | 33.44 | 33.44 | 34.36 | 33.44 | 99,268 |
| September 28, 2026 | 34.8 | 34.26 | 34.26 | 35 | 34.18 | 99,705 |
| September 25, 2026 | 35.42 | 34.56 | 34.56 | 35.42 | 34.1 | 142,387 |
| September 24, 2026 | 34.42 | 35.22 | 35.22 | 35.22 | 32.94 | 237,560 |
| September 23, 2026 | 35.2 | 34.12 | 34.12 | 35.68 | 34.12 | 101,499 |
| September 22, 2026 | 35 | 35.14 | 35.14 | 35.5 | 34.92 | 158,038 |
| September 21, 2026 | 34.24 | 34.96 | 34.96 | 35 | 34.12 | 56,189 |
| September 18, 2026 | 34.12 | 34.08 | 34.08 | 34.42 | 33.5 | 359,832 |
| September 17, 2026 | 34.44 | 34.24 | 34.24 | 34.9 | 34.16 | 101,444 |
| September 16, 2026 | 34.26 | 34.2 | 34.2 | 34.46 | 33.8 | 52,625 |
| September 15, 2026 | 34.88 | 34.48 | 34.48 | 34.9 | 34.22 | 95,685 |
| September 11, 2026 | 34.16 | 34.76 | 34.76 | 34.92 | 32.62 | 180,587 |
| September 10, 2026 | 33.72 | 34.1 | 34.1 | 34.36 | 32.68 | 105,213 |
| September 09, 2026 | 34.22 | 33.82 | 33.82 | 34.3 | 33.48 | 97,961 |
| September 08, 2026 | 34.82 | 34.14 | 34.14 | 35.16 | 33.88 | 70,034 |
| September 07, 2026 | 34.32 | 34.6 | 34.6 | 34.82 | 34.2 | 72,687 |
| September 04, 2026 | 34.52 | 34.72 | 34.72 | 35.32 | 34.32 | 142,440 |
| September 03, 2026 | 33.66 | 34.3 | 34.3 | 34.54 | 33.6 | 92,820 |
| September 02, 2026 | 34.14 | 33.7 | 33.7 | 34.26 | 33.52 | 100,487 |
| September 01, 2026 | 35.32 | 34.38 | 34.38 | 35.32 | 34.16 | 132,945 |
| August 31, 2026 | 35.02 | 35.28 | 35.28 | 35.64 | 34.9 | 209,456 |
| August 28, 2026 | 34.8 | 35.3 | 35.3 | 35.46 | 34.76 | 135,510 |
| August 27, 2026 | 34.24 | 35.12 | 35.12 | 35.26 | 34.16 | 339,103 |
| August 26, 2026 | 33.5 | 33.42 | 33.42 | 33.64 | 33.04 | 116,522 |
| August 25, 2026 | 33.4 | 33.64 | 33.64 | 33.68 | 33.14 | 112,531 |
| August 24, 2026 | 34 | 33.4 | 33.4 | 34 | 33 | 74,908 |
| August 21, 2026 | 33.5 | 33.94 | 33.94 | 34 | 32.8 | 207,016 |
| August 20, 2026 | 32.48 | 32.98 | 32.98 | 33.46 | 32.34 | 147,709 |
| August 19, 2026 | 32.62 | 32.54 | 32.54 | 32.78 | 32.3 | 125,647 |
| August 18, 2026 | 33.06 | 32.62 | 32.62 | 33.36 | 32.62 | 104,476 |
| August 17, 2026 | 33.26 | 32.82 | 32.82 | 33.66 | 32.64 | 77,049 |
| August 14, 2026 | 33.52 | 33.34 | 33.34 | 34.58 | 33.34 | 164,052 |
| August 13, 2026 | 33.06 | 33.16 | 33.16 | 33.4 | 32.62 | 67,013 |
| August 12, 2026 | 32.82 | 32.42 | 32.42 | 33.04 | 32.2 | 113,962 |
| August 11, 2026 | 31.78 | 32.64 | 32.64 | 32.94 | 31.78 | 276,589 |
| August 10, 2026 | 31.7 | 31.92 | 31.92 | 32.36 | 31.56 | 192,848 |
| August 07, 2026 | 32 | 32.12 | 32.12 | 32.8 | 31.46 | 250,066 |
| August 06, 2026 | 31.68 | 30.2 | 30.2 | 32.04 | 29.68 | 392,444 |
| August 05, 2026 | 32.2 | 32 | 32 | 32.44 | 31.8 | 144,226 |
| August 04, 2026 | 31.56 | 32.04 | 32.04 | 32.3 | 31.26 | 150,924 |
| August 03, 2026 | 31.56 | 31.5 | 31.5 | 31.76 | 31 | 161,677 |
| July 31, 2026 | 32.16 | 31.42 | 31.42 | 32.18 | 30.88 | 254,446 |
| July 30, 2026 | 33 | 32.22 | 32.22 | 33 | 32.18 | 139,131 |
| July 29, 2026 | 33.9 | 33.16 | 33.16 | 34 | 33.08 | 173,791 |