B3 · A1SN34 · stock
Ascendis Pharma A/S (A1SN34) stock price history
Every B3 trading session of Ascendis Pharma A/S from Oct 20, 2020 to Sep 25, 2026: 1,478 daily bars, adjusted for splits and dividends, with minute bars from Sep 21, 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.
A1SN34 adjusted close, 2020 to 2026
- R$94.05
- All time high, 2026
- R$94.05
- 52 week high, R$69.30 low
- 1,478
- Daily sessions since 2020
Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.
A1SN34 key facts
- Ascendis Pharma A/S (A1SN34) closed at R$77.28 on Sep 25, 2026 on B3.
- A1SN34's all time high close is R$94.05, set on Jul 2, 2026; its all time low close is R$23.50 on Apr 4, 2023.
- A1SN34's 52 week range is R$69.30 to R$94.05.
- A1SN34 returned +11.5% over the year to Sep 25, 2026 and +31.3% over five years.
- Since Oct 20, 2020 A1SN34 returned +32%, +4.8% a year compounded.
- A1SN34's deepest drawdown was -65.0% from Nov 4, 2020 to Apr 4, 2023.
- DataCedar holds 1,478 daily sessions of A1SN34 history from Oct 20, 2020 and minute bars from Sep 21, 2026, adjusted for splits and dividends, served by the API under a key.
A1SN34 price chart, 2020 to 2026
A1SN34 returns
Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.1% |
| 3 months | -0.2% |
| 6 months | +1.6% |
| Year to date | +0.4% |
| 1 year | +11.5% |
| 3 years | +132.1% |
| 5 years | +31.3% |
| 10 years | n/a |
| Since Oct 20, 2020 | +31.8% |
| Compound annual growth, 5.9 years | +4.8% |
A1SN34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$94.05 on Jul 2, 2026
- All time low close
- R$23.50 on Apr 4, 2023
- 52 week high
- R$94.05 on Jul 2, 2026
- 52 week low
- R$69.30 on Sep 25, 2025
- Deepest drawdown
- -65.0% from Nov 4, 2020 to Apr 4, 2023, recovered Jun 3, 2025
- Best single session
- +23.4% on Aug 26, 2021
- Worst single session
- -35.0% on Apr 3, 2023
- Volatility, 1 year annualised
- 31.1%
- Sessions closing higher, 1 year
- 9%
- Best calendar year
- 2024, +38%
- Worst calendar year
- 2022, -21%
A1SN34 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. 2020 starts on Oct 20, 2020; 2026 runs to Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$77.00 | R$94.05 | R$70.00 | R$77.28 | +0.4% | 5.1K | 184 |
| 2025 | R$56.82 | R$77.00 | R$53.79 | R$77.00 | +35.5% | 10.1K | 250 |
| 2024 | R$41.20 | R$56.82 | R$41.20 | R$56.82 | +37.9% | 6.7K | 251 |
| 2023 | R$39.78 | R$41.20 | R$22.32 | R$41.20 | +3.6% | 46K | 248 |
| 2022 | R$51.82 | R$51.82 | R$22.44 | R$39.78 | -21.2% | 21.3K | 250 |
| 2021 | R$57.00 | R$64.55 | R$39.80 | R$50.50 | -11.9% | 20.8K | 247 |
| 2020 | R$58.21 | R$67.17 | R$54.62 | R$57.35 | n/a | 6.3K | 48 |
A1SN34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$77.28 | -15.5% |
| August 2026 | R$91.50 | +4.8% |
| July 2026 | R$87.30 | -2.6% |
| June 2026 | R$89.64 | +15.8% |
| May 2026 | R$77.44 | +1.8% |
| April 2026 | R$76.05 | 0.0% |
| March 2026 | R$76.05 | -0.2% |
| February 2026 | R$76.24 | 0.0% |
| January 2026 | R$76.24 | -1.0% |
| December 2025 | R$77.00 | +9.7% |
| November 2025 | R$70.21 | -1.8% |
| October 2025 | R$71.47 | +3.1% |
About the A1SN34 data
Daily bars. 1,478 sessions from Oct 20, 2020 to Sep 25, 2026, one row per B3 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 21, 2026 forward, most recent session Sep 23, 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 B3 trading days; minute timestamps are UTC. Prices are in BRL. 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 Oct 20, 2020, 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/A1SN34/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
A1SN34 share price history
