B3 · A1RG34 · stock
argenx SE (A1RG34) stock price history
Every B3 trading session of argenx SE from Oct 20, 2020 to Sep 28, 2026: 1,479 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.
A1RG34 adjusted close, 2020 to 2026
- R$213.15
- All time high, 2026
- R$213.15
- 52 week high, R$143.22 low
- 1,479
- Daily sessions since 2020
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.
A1RG34 key facts
- argenx SE (A1RG34) closed at R$203.40 on Sep 28, 2026 on B3.
- A1RG34's all time high close is R$213.15, set on Aug 19, 2026; its all time low close is R$45.09 on Dec 14, 2020.
- A1RG34's 52 week range is R$143.22 to R$213.15.
- A1RG34 returned +30.3% over the year to Sep 28, 2026 and +206.9% over five years.
- Since Oct 20, 2020 A1RG34 returned +241%, +22.9% a year compounded.
- A1RG34's deepest drawdown was -36.0% from Sep 14, 2023 to Dec 20, 2023.
- DataCedar holds 1,479 daily sessions of A1RG34 history from Oct 20, 2020 and minute bars from Sep 21, 2026, adjusted for splits and dividends, served by the API under a key.
A1RG34 price chart, 2020 to 2026
A1RG34 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -2.8% |
| 3 months | +10.0% |
| 6 months | +42.0% |
| Year to date | +8.3% |
| 1 year | +30.3% |
| 3 years | +102.4% |
| 5 years | +206.9% |
| 10 years | n/a |
| Since Oct 20, 2020 | +240.8% |
| Compound annual growth, 5.9 years | +22.9% |
A1RG34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$213.15 on Aug 19, 2026
- All time low close
- R$45.09 on Dec 14, 2020
- 52 week high
- R$213.15 on Aug 19, 2026
- 52 week low
- R$143.22 on Mar 20, 2026
- Deepest drawdown
- -36.0% from Sep 14, 2023 to Dec 20, 2023, recovered Sep 5, 2024
- Best single session
- +38.5% on Dec 15, 2020
- Worst single session
- -26.7% on Dec 20, 2023
- Volatility, 1 year annualised
- 35.9%
- Sessions closing higher, 1 year
- 22%
- Growth of 1 since 2020
- 3.4×
- Best calendar year
- 2024, +106%
- Worst calendar year
- 2023, -6%
A1RG34 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 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$187.80 | R$213.15 | R$143.22 | R$203.40 | +8.3% | 18.3K | 185 |
| 2025 | R$152.65 | R$200.20 | R$116.88 | R$187.80 | +23.0% | 19.6K | 250 |
| 2024 | R$74.13 | R$159.68 | R$69.16 | R$152.65 | +105.9% | 11.3K | 251 |
| 2023 | R$79.05 | R$104.20 | R$64.33 | R$74.13 | -6.2% | 581 | 248 |
| 2022 | R$79.70 | R$82.40 | R$55.58 | R$79.05 | -0.8% | 8.8K | 250 |
| 2021 | R$60.45 | R$81.42 | R$53.20 | R$79.70 | +27.6% | 9K | 247 |
| 2020 | R$59.68 | R$63.57 | R$45.09 | R$62.46 | n/a | 4.5K | 48 |
A1RG34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$203.40 | -2.8% |
| August 2026 | R$209.16 | +15.6% |
| July 2026 | R$180.96 | -3.4% |
| June 2026 | R$187.27 | +11.3% |
| May 2026 | R$168.30 | +7.2% |
| April 2026 | R$156.94 | +9.6% |
| March 2026 | R$143.22 | -17.0% |
| February 2026 | R$172.56 | -1.5% |
| January 2026 | R$175.12 | -6.8% |
| December 2025 | R$187.80 | -6.2% |
| November 2025 | R$200.20 | +18.5% |
| October 2025 | R$169.00 | +8.2% |
About the A1RG34 data
Daily bars. 1,479 sessions from Oct 20, 2020 to Sep 28, 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 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 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/A1RG34/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
A1RG34 share price history
