NYSE · ATO · stock
Atmos Energy Corp. (ATO) stock price history
Every NYSE trading session of Atmos Energy Corp. from Dec 28, 1983 to Nov 11, 2026: 10,722 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 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.
ATO adjusted close, 1983 to 2026
- $191.21
- All time high, 2026
- $191.43
- 52 week high, $154.72 low
- 10,722
- Daily sessions since 1983
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 1983 to 2026 series and minute bars.
ATO key facts
- Atmos Energy Corp. (ATO) closed at $175.65 on Nov 11, 2026 on NYSE.
- ATO's all time high close is $191.21, set on Apr 9, 2026; its all time low close is $1.13 on Aug 30, 1984.
- ATO's 52 week range is $154.72 to $191.43.
- ATO returned -0.0% over the year to Nov 11, 2026 and +108.5% over five years.
- Over ten years ATO returned +214%, +12.1% a year compounded.
- ATO's deepest drawdown was -51.9% from Jan 4, 1999 to Apr 24, 2000.
- DataCedar holds 10,722 daily sessions of ATO history from Dec 28, 1983 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ATO price chart, 1983 to 2026
ATO returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +8.7% |
| 3 months | +3.8% |
| 6 months | -3.0% |
| Year to date | +5.4% |
| 1 year | -0.0% |
| 3 years | +68.5% |
| 5 years | +108.5% |
| 10 years | +213.5% |
| Since Dec 28, 1983 | +13,939% |
| Compound annual growth, 42.9 years | +12.2% |
ATO records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $191.21 on Apr 9, 2026
- All time low close
- $1.13 on Aug 30, 1984
- 52 week high
- $191.43 on Apr 9, 2026
- 52 week low
- $154.72 on Oct 1, 2026
- Deepest drawdown
- -51.9% from Jan 4, 1999 to Apr 24, 2000, recovered Jan 21, 2004
- Best single session
- +15.4% on Mar 17, 2020
- Worst single session
- -19.6% on Oct 26, 1987
- Volatility, 1 year annualised
- 16.0%
- Sessions closing higher, 1 year
- 52%
- Growth of 1 since 1983
- 140×
- Best calendar year
- 1985, +63%
- Worst calendar year
- 1999, -34%
ATO 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. 1983 starts on Dec 28, 1983; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $165.29 | $191.43 | $154.72 | $175.65 | +6.0% | 262.8M | 217 |
| 2025 | $135.86 | $177.62 | $131.68 | $165.77 | +23.1% | 240.6M | 250 |
| 2024 | $108.97 | $147.63 | $104.07 | $134.69 | +23.4% | 219.1M | 252 |
| 2023 | $103.09 | $116.44 | $94.48 | $109.19 | +6.2% | 227.1M | 250 |
| 2022 | $94.02 | $111.12 | $89.11 | $102.85 | +9.6% | 249.1M | 251 |
| 2021 | $83.18 | $94.29 | $74.25 | $93.81 | +12.7% | 221.2M | 252 |
| 2020 | $95.49 | $103.20 | $66.73 | $83.21 | -12.7% | 244.4M | 253 |
| 2019 | $77.07 | $97.66 | $74.48 | $95.34 | +23.1% | 219.9M | 252 |
| 2018 | $70.17 | $83.69 | $62.44 | $77.43 | +10.4% | 141.4M | 251 |
| 2017 | $59.38 | $76.40 | $57.94 | $70.14 | +18.4% | 98.6M | 250 |
| 2016 | $49.16 | $64.71 | $46.80 | $59.23 | +20.5% | 144.4M | 252 |
| 2015 | $42.41 | $50.54 | $39.11 | $49.17 | +16.3% | 144.8M | 252 |
| 2014 | $33.36 | $44.12 | $32.49 | $42.27 | +26.5% | 148.3M | 252 |
| 2013 | $25.33 | $34.62 | $24.80 | $33.42 | +33.8% | 108.7M | 252 |
| 2012 | $23.09 | $26.03 | $20.97 | $24.98 | +9.7% | 104.6M | 250 |
| 2011 | $20.59 | $24.02 | $19.06 | $22.76 | +11.4% | 117.3M | 252 |
| 2010 | $18.43 | $20.95 | $16.45 | $20.44 | +11.3% | 98.3M | 252 |
| 2009 | $14.07 | $18.94 | $12.08 | $18.37 | +30.6% | 147M | 251 |
| 2008 | $15.83 | $16.76 | $11.51 | $14.06 | -11.2% | 142.6M | 249 |
| 2007 | $17.20 | $18.28 | $13.16 | $15.83 | -8.2% | 113.6M | 251 |
| 2006 | $13.60 | $17.77 | $13.43 | $17.25 | +27.5% | 72.5M | 248 |
| 2005 | $13.55 | $15.20 | $12.75 | $13.53 | +0.1% | 83M | 250 |
| 2004 | $11.56 | $13.64 | $11.15 | $13.52 | +18.1% | 83.4M | 252 |
| 2003 | $10.54 | $11.78 | $9.40 | $11.45 | +9.7% | 44.5M | 252 |
| 2002 | $9.02 | $10.69 | $7.65 | $10.44 | +15.7% | 22.9M | 252 |
| 2001 | $9.88 | $10.38 | $8.10 | $9.02 | -8.2% | 21M | 248 |
| 2000 | $7.60 | $10.58 | $5.51 | $9.83 | +26.6% | 23.5M | 250 |
| 1999 | $11.79 | $11.98 | $7.45 | $7.76 | -33.7% | 15.7M | 252 |
| 1998 | $10.37 | $11.70 | $8.90 | $11.70 | +10.5% | 10.3M | 252 |
| 1997 | $8.14 | $10.68 | $7.51 | $10.59 | +30.7% | 6.5M | 252 |
| 1996 | $7.44 | $10.29 | $6.83 | $8.10 | +8.3% | 5.3M | 236 |
| 1995 | $5.23 | $7.48 | $5.00 | $7.48 | +42.0% | 2.6M | 248 |
| 1994 | $5.43 | $6.04 | $4.92 | $5.27 | -3.0% | 2.4M | 248 |
| 1993 | $4.41 | $6.17 | $4.27 | $5.43 | +23.2% | 3.6M | 243 |
| 1992 | $4.07 | $4.48 | $3.47 | $4.41 | +8.2% | 2.9M | 243 |
| 1991 | $2.71 | $4.07 | $2.61 | $4.07 | +47.9% | 2.4M | 233 |
| 1990 | $2.79 | $2.99 | $2.54 | $2.75 | -0.4% | 2.1M | 253 |
| 1989 | $2.43 | $2.79 | $2.18 | $2.77 | +14.0% | 2.9M | 252 |
| 1988 | $1.83 | $2.58 | $1.83 | $2.43 | +32.7% | 6.7M | 253 |
| 1987 | $2.22 | $2.35 | $1.61 | $1.83 | -17.6% | 3.5M | 253 |
| 1986 | $2.39 | $2.65 | $1.98 | $2.22 | -7.0% | 4.3M | 253 |
| 1985 | $1.47 | $2.54 | $1.44 | $2.39 | +63.1% | 6.6M | 252 |
| 1984 | $1.24 | $1.52 | $1.13 | $1.47 | +18.0% | 4.9M | 253 |
| 1983 | $1.25 | $1.29 | $1.24 | $1.24 | n/a | 192.9K | 3 |
ATO monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $175.65 | +1.9% |
| October 2026 | $172.41 | +10.2% |
| September 2026 | $156.44 | -5.8% |
| August 2026 | $166.13 | -3.8% |
| July 2026 | $172.78 | +0.3% |
| June 2026 | $172.27 | +1.9% |
| May 2026 | $169.13 | -10.5% |
| April 2026 | $188.91 | +2.8% |
| March 2026 | $183.68 | -1.1% |
| February 2026 | $185.74 | +12.9% |
| January 2026 | $164.49 | -0.8% |
| December 2025 | $165.77 | -5.0% |
About the ATO data
Daily bars. 10,722 sessions from Dec 28, 1983 to Nov 11, 2026, one row per NYSE 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 Jul 13, 2026 forward, most recent session Nov 3, 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 NYSE trading days; minute timestamps are UTC. Prices are in USD. 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 28, 1983, 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/nyse%3AATO/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
Common questions
ATO share price history
