B3 · ALOS3 · stock
Allos S.A. (ALOS3) stock price history
Every B3 trading session of Allos S.A. from Feb 3, 2011 to Sep 28, 2026: 3,890 daily bars, adjusted for splits and dividends, with minute bars arriving as capture begins. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
ALOS3 adjusted close, 2011 to 2026
- R$40.56
- All time high, 2020
- R$32.11
- 52 week high, R$20.85 low
- 3,890
- Daily sessions since 2011
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.
ALOS3 key facts
- Allos S.A. (ALOS3) closed at R$28.57 on Sep 28, 2026 on B3.
- ALOS3's all time high close is R$40.56, set on Jan 17, 2020; its all time low close is R$9.65 on Mar 15, 2016.
- ALOS3's 52 week range is R$20.85 to R$32.11.
- ALOS3 returned +25.9% over the year to Sep 28, 2026 and +68.7% over five years.
- Over ten years ALOS3 returned +144%, +9.3% a year compounded.
- ALOS3's deepest drawdown was -70.8% from Jan 17, 2020 to Jan 3, 2023.
- DataCedar holds 3,890 daily sessions of ALOS3 history from Feb 3, 2011, adjusted for splits and dividends, served by the API under a key.
ALOS3 price chart, 2011 to 2026
ALOS3 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +9.3% |
| 3 months | +5.2% |
| 6 months | +5.2% |
| Year to date | +10.4% |
| 1 year | +25.9% |
| 3 years | +64.3% |
| 5 years | +68.7% |
| 10 years | +143.5% |
| Since Feb 3, 2011 | +129.8% |
| Compound annual growth, 15.6 years | +5.5% |
ALOS3 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$40.56 on Jan 17, 2020
- All time low close
- R$9.65 on Mar 15, 2016
- 52 week high
- R$32.11 on Apr 17, 2026
- 52 week low
- R$20.85 on Oct 15, 2025
- Deepest drawdown
- -70.8% from Jan 17, 2020 to Jan 3, 2023, not yet recovered
- Best single session
- +22.9% on Mar 24, 2020
- Worst single session
- -20.0% on Mar 16, 2020
- Volatility, 1 year annualised
- 26.1%
- Sessions closing higher, 1 year
- 54%
- Growth of 1 since 2011
- 2.3×
- Best calendar year
- 2019, +98%
- Worst calendar year
- 2013, -43%
ALOS3 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. 2011 starts on Feb 3, 2011; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$26.13 | R$32.11 | R$24.67 | R$28.57 | +10.4% | 984M | 185 |
| 2025 | R$15.38 | R$26.88 | R$14.63 | R$25.88 | +67.7% | 1B | 250 |
| 2024 | R$20.70 | R$20.70 | R$15.24 | R$15.44 | -25.6% | 1.1B | 251 |
| 2023 | R$12.75 | R$21.20 | R$11.66 | R$20.74 | +60.6% | 1.1B | 248 |
| 2022 | R$16.30 | R$18.11 | R$11.78 | R$12.92 | -20.0% | 438.1M | 250 |
| 2021 | R$21.77 | R$24.42 | R$14.04 | R$16.14 | -25.1% | 359.5M | 247 |
| 2020 | R$36.56 | R$40.65 | R$14.27 | R$21.55 | -41.8% | 451.8M | 248 |
| 2019 | R$19.27 | R$37.09 | R$18.92 | R$37.04 | +97.6% | 111.4M | 248 |
| 2018 | R$18.23 | R$19.45 | R$13.24 | R$18.74 | +3.7% | 8.9M | 246 |
| 2017 | R$12.14 | R$20.91 | R$11.69 | R$18.07 | +50.3% | 21.7M | 254 |
| 2016 | R$11.01 | R$14.53 | R$9.51 | R$12.03 | +9.4% | 23.4M | 249 |
| 2015 | R$11.13 | R$14.19 | R$9.37 | R$10.99 | +0.3% | 12.5M | 246 |
| 2014 | R$11.78 | R$13.00 | R$9.58 | R$10.96 | -7.1% | 25M | 248 |
| 2013 | R$20.59 | R$20.71 | R$11.65 | R$11.80 | -42.7% | 30.6M | 248 |
| 2012 | R$15.30 | R$22.00 | R$14.24 | R$20.61 | +35.8% | 30.8M | 245 |
| 2011 | R$12.35 | R$16.91 | R$12.18 | R$15.18 | n/a | 21.9M | 227 |
ALOS3 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$28.57 | +8.1% |
| August 2026 | R$26.43 | -0.4% |
| July 2026 | R$26.52 | -2.4% |
| June 2026 | R$27.18 | +0.6% |
| May 2026 | R$27.03 | -7.0% |
| April 2026 | R$29.06 | +1.9% |
| March 2026 | R$28.51 | -6.2% |
| February 2026 | R$30.41 | +6.8% |
| January 2026 | R$28.48 | +10.0% |
| December 2025 | R$25.88 | +1.1% |
| November 2025 | R$25.60 | +14.8% |
| October 2025 | R$22.29 | -3.0% |
About the ALOS3 data
Daily bars. 3,890 sessions from Feb 3, 2011 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. Not stored for this listing yet. Minute history is captured forward from the day collection begins for a symbol and is never backfilled.
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 Feb 3, 2011, 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/ALOS3/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
ALOS3 share price history
