Xetra · IOS · stock
IONOS Group SE (IOS) stock price history
Every Xetra trading session of IONOS Group SE from Feb 8, 2023 to Nov 13, 2026: 953 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
IOS adjusted close, 2023 to 2026
- €42.55
- All time high, 2025
- €38.02
- 52 week high, €20.90 low
- 953
- Daily sessions since 2023
Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2023 to 2026 series and minute bars.
IOS key facts
- IONOS Group SE (IOS) closed at €37.68 on Nov 13, 2026 on Xetra.
- IOS's all time high close is €42.55, set on Jun 16, 2025; its all time low close is €12.34 on Nov 1, 2023.
- IOS's 52 week range is €20.90 to €38.02.
- IOS returned +41.1% over the year to Nov 13, 2026.
- Since Feb 8, 2023 IOS returned +115%, +22.5% a year compounded.
- IOS's deepest drawdown was -49.9% from Aug 7, 2025 to Mar 18, 2026.
- DataCedar holds 953 daily sessions of IOS history from Feb 8, 2023 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
IOS price chart, 2023 to 2026
IOS returns
Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +10.2% |
| 3 months | +13.6% |
| 6 months | +33.8% |
| Year to date | +40.9% |
| 1 year | +41.1% |
| 3 years | +164.2% |
| 5 years | n/a |
| 10 years | n/a |
| Since Feb 8, 2023 | +114.8% |
| Compound annual growth, 3.8 years | +22.5% |
IOS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €42.55 on Jun 16, 2025
- All time low close
- €12.34 on Nov 1, 2023
- 52 week high
- €38.02 on Nov 13, 2026
- 52 week low
- €20.90 on Feb 25, 2026
- Deepest drawdown
- -49.9% from Aug 7, 2025 to Mar 18, 2026, not yet recovered
- Best single session
- +11.5% on Apr 2, 2024
- Worst single session
- -10.1% on Mar 4, 2025
- Volatility, 1 year annualised
- 43.6%
- Sessions closing higher, 1 year
- 52%
- Growth of 1 since 2023
- 2.1×
- Best calendar year
- 2024, +25%
- Worst calendar year
- 2025, +22%
IOS price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2023 starts on Feb 8, 2023; 2026 runs to Nov 13, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €26.90 | €38.02 | €20.90 | €37.68 | +40.9% | 53.4M | 218 |
| 2025 | €21.85 | €43.25 | €21.05 | €26.75 | +22.4% | 52.9M | 253 |
| 2024 | €17.44 | €30.60 | €16.34 | €21.85 | +25.1% | 21M | 254 |
| 2023 | €18.40 | €18.45 | €11.92 | €17.46 | n/a | 24.2M | 228 |
IOS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | €37.68 | +6.0% |
| October 2026 | €35.54 | +12.8% |
| September 2026 | €31.50 | -10.7% |
| August 2026 | €35.28 | +12.3% |
| July 2026 | €31.42 | +15.3% |
| June 2026 | €27.24 | -3.2% |
| May 2026 | €28.14 | +7.8% |
| April 2026 | €26.10 | +5.0% |
| March 2026 | €24.85 | +7.3% |
| February 2026 | €23.15 | -15.0% |
| January 2026 | €27.25 | +1.9% |
| December 2025 | €26.75 | -3.9% |
About the IOS data
Daily bars. 953 sessions from Feb 8, 2023 to Nov 13, 2026, one row per Xetra trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 17, 2026 forward, most recent session Nov 4, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Xetra trading days; minute timestamps are UTC. Prices are in EUR. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 8, 2023, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/xetra%3AIOS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Xetra
Common questions
IOS share price history
