B3 · A1TM34 · stock
Atmos Energy Corporation (A1TM34) stock price history
Every B3 trading session of Atmos Energy Corporation from May 29, 2020 to Sep 25, 2026: 1,577 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.
A1TM34 adjusted close, 2020 to 2026
- R$462.06
- All time high, 2026
- R$462.21
- 52 week high, R$405.00 low
- 1,577
- 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.
A1TM34 key facts
- Atmos Energy Corporation (A1TM34) closed at R$405.00 on Sep 25, 2026 on B3.
- A1TM34's all time high close is R$462.06, set on May 4, 2026; its all time low close is R$203.48 on Jan 14, 2021.
- A1TM34's 52 week range is R$405.00 to R$462.21.
- A1TM34 returned -6.7% over the year to Sep 25, 2026 and +89.7% over five years.
- Since May 29, 2020 A1TM34 returned +66%, +8.3% a year compounded.
- A1TM34's deepest drawdown was -17.3% from Oct 13, 2020 to Jan 14, 2021.
- DataCedar holds 1,577 daily sessions of A1TM34 history from May 29, 2020, adjusted for splits and dividends, served by the API under a key.
A1TM34 price chart, 2020 to 2026
A1TM34 returns
Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -8.2% |
| 3 months | -7.1% |
| 6 months | -11.4% |
| Year to date | -12.1% |
| 1 year | -6.7% |
| 3 years | +55.7% |
| 5 years | +89.7% |
| 10 years | n/a |
| Since May 29, 2020 | +65.6% |
| Compound annual growth, 6.3 years | +8.3% |
A1TM34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$462.06 on May 4, 2026
- All time low close
- R$203.48 on Jan 14, 2021
- 52 week high
- R$462.21 on May 4, 2026
- 52 week low
- R$405.00 on Sep 24, 2026
- Deepest drawdown
- -17.3% from Oct 13, 2020 to Jan 14, 2021, recovered Mar 29, 2021
- Best single session
- +14.7% on Nov 30, 2022
- Worst single session
- -11.4% on Oct 11, 2022
- Volatility, 1 year annualised
- 10.9%
- Sessions closing higher, 1 year
- 5%
- Best calendar year
- 2024, +55%
- Worst calendar year
- 2023, -6%
A1TM34 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 May 29, 2020; 2026 runs to Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$460.53 | R$462.21 | R$405.00 | R$405.00 | -12.1% | 106 | 184 |
| 2025 | R$414.01 | R$462.18 | R$400.45 | R$460.53 | +11.2% | 99 | 250 |
| 2024 | R$267.09 | R$414.01 | R$259.87 | R$414.01 | +55.0% | 133 | 251 |
| 2023 | R$283.46 | R$283.46 | R$247.53 | R$267.09 | -5.8% | 4.7K | 248 |
| 2022 | R$266.86 | R$293.06 | R$239.22 | R$283.46 | +6.2% | 6K | 250 |
| 2021 | R$219.92 | R$266.86 | R$203.48 | R$266.86 | +22.2% | 5.4K | 247 |
| 2020 | R$244.56 | R$252.85 | R$218.39 | R$218.39 | n/a | 630 | 147 |
A1TM34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$405.00 | -6.4% |
| August 2026 | R$432.58 | -1.3% |
| July 2026 | R$438.22 | +0.5% |
| June 2026 | R$435.83 | -0.8% |
| May 2026 | R$439.22 | -4.0% |
| April 2026 | R$457.31 | 0.0% |
| March 2026 | R$457.31 | 0.0% |
| February 2026 | R$457.31 | +3.2% |
| January 2026 | R$442.99 | -3.8% |
| December 2025 | R$460.53 | 0.0% |
| November 2025 | R$460.53 | +6.1% |
| October 2025 | R$434.11 | 0.0% |
About the A1TM34 data
Daily bars. 1,577 sessions from May 29, 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. 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 May 29, 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/A1TM34/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
A1TM34 share price history
