Borsa Italiana · 1HELN · stock
Helvetia Baloise Holding AG (1HELN) stock price history
Every Borsa Italiana trading session of Helvetia Baloise Holding AG from Jun 3, 2025 to Sep 28, 2026: 336 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.
1HELN adjusted close, 2025 to 2026
- €238.80
- All time high, 2026
- €239.20
- 52 week high, €199.27 low
- 336
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1HELN key facts
- Helvetia Baloise Holding AG (1HELN) closed at €222.20 on Sep 28, 2026 on Borsa Italiana.
- 1HELN's all time high close is €238.80, set on Sep 17, 2026; its all time low close is €188.63 on Jun 19, 2025.
- 1HELN's 52 week range is €199.27 to €239.20.
- 1HELN returned -0.1% over the year to Sep 28, 2026.
- Since Jun 3, 2025 1HELN returned +13%, +9.4% a year compounded.
- 1HELN's deepest drawdown was -9.6% from May 29, 2026 to Jun 4, 2026.
- DataCedar holds 336 daily sessions of 1HELN history from Jun 3, 2025 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
1HELN price chart, 2025 to 2026
1HELN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -2.5% |
| 3 months | -2.6% |
| 6 months | +5.4% |
| Year to date | +6.3% |
| 1 year | -0.1% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Jun 3, 2025 | +12.6% |
| Compound annual growth, 1.3 years | +9.4% |
1HELN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €238.80 on Sep 17, 2026
- All time low close
- €188.63 on Jun 19, 2025
- 52 week high
- €239.20 on Sep 17, 2026
- 52 week low
- €199.27 on Oct 3, 2025
- Deepest drawdown
- -9.6% from May 29, 2026 to Jun 4, 2026, recovered Sep 17, 2026
- Best single session
- +9.9% on Apr 17, 2026
- Worst single session
- -9.6% on Sep 30, 2025
- Volatility, 1 year annualised
- 23.4%
- Sessions closing higher, 1 year
- 12%
1HELN 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. 2025 starts on Jun 3, 2025; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €208.94 | €239.20 | €201.20 | €222.20 | +6.3% | 13.3K | 189 |
| 2025 | €201.20 | €222.48 | €188.63 | €208.94 | n/a | 435 | 147 |
1HELN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €222.20 | -3.1% |
| August 2026 | €229.20 | -1.1% |
| July 2026 | €231.80 | +2.6% |
| June 2026 | €226.00 | -4.1% |
| May 2026 | €235.60 | +4.4% |
| April 2026 | €225.58 | +7.0% |
| March 2026 | €210.88 | 0.0% |
| February 2026 | €210.88 | +4.8% |
| January 2026 | €201.20 | -3.7% |
| December 2025 | €208.94 | -0.9% |
| November 2025 | €210.88 | +1.9% |
| October 2025 | €207.01 | +2.9% |
About the 1HELN data
Daily bars. 336 sessions from Jun 3, 2025 to Sep 28, 2026, one row per Borsa Italiana 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 Borsa Italiana 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 Jun 3, 2025, 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/1HELN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1HELN share price history
