Xetra · HE8 · stock
Helios Solar AG (HE8) stock price history
Every Xetra trading session of Helios Solar AG from Jul 28, 2026 to Sep 28, 2026: 45 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.
HE8 adjusted close, 2026 to 2026
- €4.95
- All time high, 2026
- €4.90
- 52 week high, €3.52 low
- 45
- Daily sessions since 2026
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.
HE8 key facts
- Helios Solar AG (HE8) closed at €3.86 on Sep 28, 2026 on Xetra.
- HE8's all time high close is €4.95, set on Jul 28, 2026; its all time low close is €3.62 on Sep 8, 2026.
- HE8's 52 week range is €3.52 to €4.90.
- HE8's deepest drawdown was -26.9% from Jul 28, 2026 to Sep 8, 2026.
- DataCedar holds 45 daily sessions of HE8 history from Jul 28, 2026 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
HE8 price chart, 2026 to 2026
HE8 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.2% |
| 3 months | n/a |
| 6 months | n/a |
| Year to date | n/a |
| 1 year | n/a |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Jul 28, 2026 | -22.1% |
HE8 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €4.95 on Jul 28, 2026
- All time low close
- €3.62 on Sep 8, 2026
- 52 week high
- €4.90 on Jul 29, 2026
- 52 week low
- €3.52 on Sep 9, 2026
- Deepest drawdown
- -26.9% from Jul 28, 2026 to Sep 8, 2026, not yet recovered
- Best single session
- +3.9% on Aug 19, 2026
- Worst single session
- -8.6% on Jul 29, 2026
- Volatility, 1 year annualised
- 41.3%
- Sessions closing higher, 1 year
- 34%
HE8 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. 2026 starts on Jul 28, 2026; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €4.15 | €5.29 | €3.52 | €3.86 | n/a | 40.3K | 45 |
HE8 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €3.86 | -1.2% |
| August 2026 | €3.90 | -4.4% |
| July 2026 | €4.09 | n/a |
About the HE8 data
Daily bars. 45 sessions from Jul 28, 2026 to Sep 28, 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 Sep 28, 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 Jul 28, 2026, 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/HE8/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Xetra
Common questions
HE8 share price history
