B3 · ATTB34 · stock
AT&T Inc. (ATTB34) stock price history
Every B3 trading session of AT&T Inc. from Dec 29, 2011 to Nov 12, 2026: 3,314 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.
ATTB34 adjusted close, 2011 to 2026
- R$51.98
- All time high, 2025
- R$50.47
- 52 week high, R$32.26 low
- 3,314
- Daily sessions since 2011
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.
ATTB34 key facts
- AT&T Inc. (ATTB34) closed at R$41.75 on Nov 12, 2026 on B3.
- ATTB34's all time high close is R$51.98, set on Aug 21, 2025; its all time low close is R$8.82 on Jan 3, 2012.
- ATTB34's 52 week range is R$32.26 to R$50.47.
- ATTB34 returned -5.2% over the year to Nov 12, 2026 and +17.2% over five years.
- Over ten years ATTB34 returned +73%, +5.6% a year compounded.
- ATTB34's deepest drawdown was -57.1% from Mar 30, 2021 to Jul 18, 2023.
- DataCedar holds 3,314 daily sessions of ATTB34 history from Dec 29, 2011 and minute bars from Sep 21, 2026, adjusted for splits and dividends, served by the API under a key.
ATTB34 price chart, 2011 to 2026
ATTB34 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +9.0% |
| 3 months | +0.4% |
| 6 months | +2.4% |
| Year to date | -5.5% |
| 1 year | -5.2% |
| 3 years | +80.8% |
| 5 years | +17.2% |
| 10 years | +72.5% |
| Since Dec 29, 2011 | +370.0% |
| Compound annual growth, 14.9 years | +11.0% |
ATTB34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$51.98 on Aug 21, 2025
- All time low close
- R$8.82 on Jan 3, 2012
- 52 week high
- R$50.47 on Mar 24, 2026
- 52 week low
- R$32.26 on Jul 10, 2026
- Deepest drawdown
- -57.1% from Mar 30, 2021 to Jul 18, 2023, recovered Dec 3, 2024
- Best single session
- +14.5% on May 8, 2012
- Worst single session
- -19.0% on Apr 11, 2022
- Volatility, 1 year annualised
- 34.2%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 2011
- 4.7×
- Best calendar year
- 2024, +83%
- Worst calendar year
- 2022, -25%
ATTB34 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 Dec 29, 2011; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$44.16 | R$50.47 | R$32.26 | R$41.75 | -5.5% | 556.3K | 212 |
| 2025 | R$44.85 | R$52.52 | R$41.32 | R$44.16 | -0.5% | 1.3M | 250 |
| 2024 | R$24.57 | R$45.97 | R$24.14 | R$44.40 | +83.1% | 1.3M | 251 |
| 2023 | R$27.40 | R$30.51 | R$19.09 | R$24.25 | -11.5% | 2.1M | 247 |
| 2022 | R$36.84 | R$41.26 | R$21.75 | R$27.40 | -24.6% | 3.2M | 249 |
| 2021 | R$36.63 | R$46.71 | R$33.10 | R$36.36 | -0.7% | 1.8M | 247 |
| 2020 | R$36.34 | R$41.89 | R$31.78 | R$36.62 | +0.9% | 1.6M | 248 |
| 2019 | R$24.47 | R$37.95 | R$23.89 | R$36.31 | +50.5% | 983.4K | 222 |
| 2018 | R$25.84 | R$30.28 | R$23.05 | R$24.13 | -9.3% | 1.7M | 208 |
| 2017 | R$26.87 | R$26.87 | R$21.89 | R$26.62 | -2.5% | 134.1K | 157 |
| 2016 | R$25.80 | R$28.00 | R$22.24 | R$27.29 | +5.8% | 196.8K | 188 |
| 2015 | R$16.18 | R$25.80 | R$15.33 | R$25.80 | +61.3% | 528.9K | 204 |
| 2014 | R$13.95 | R$16.61 | R$12.84 | R$16.00 | +16.8% | 208.2K | 161 |
| 2013 | R$11.84 | R$13.85 | R$11.84 | R$13.70 | +15.7% | 22.2K | 224 |
| 2012 | R$8.88 | R$11.84 | R$8.82 | R$11.84 | +33.3% | 58.2K | 245 |
| 2011 | R$8.88 | R$8.88 | R$8.88 | R$8.88 | n/a | 10.2K | 1 |
ATTB34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | R$41.75 | +6.8% |
| October 2026 | R$39.09 | -6.1% |
| September 2026 | R$41.63 | -7.5% |
| August 2026 | R$44.99 | +14.2% |
| July 2026 | R$39.39 | +12.0% |
| June 2026 | R$35.17 | -14.2% |
| May 2026 | R$41.00 | -5.5% |
| April 2026 | R$43.38 | -11.1% |
| March 2026 | R$48.77 | +4.4% |
| February 2026 | R$46.73 | +7.7% |
| January 2026 | R$43.41 | -1.7% |
| December 2025 | R$44.16 | -1.8% |
About the ATTB34 data
Daily bars. 3,314 sessions from Dec 29, 2011 to Nov 12, 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 Nov 12, 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 Dec 29, 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/b3%3AATTB34/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
ATTB34 share price history
