Atmos Energy Corporation (ATO) Stock Price History
Historical prices from 1983 to 2026
- 1M
- +5.8%
- 3M
- -5.9%
- YTD
- +4.9%
- 1Y
- +16.2%
- 3Y
- +14.8%
- 5Y
- +12.6%
Loading 10-year price history...
ATO Historical Performance
ATO Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- +8.7%
- 2003 annual price return
- +3.2%
- 2004 annual price return
- +10.6%
- 2005 annual price return
- -1.7%
- 2006 annual price return
- +19.3%
- 2007 annual price return
- -13.0%
- 2008 annual price return
- -15.2%
- 2009 annual price return
- +21.7%
- 2010 annual price return
- +5.7%
- 2011 annual price return
- +5.8%
- 2012 annual price return
- +5.9%
- 2013 annual price return
- +27.0%
- 2014 annual price return
- +24.8%
- 2015 annual price return
- +12.8%
- 2016 annual price return
- +18.9%
- 2017 annual price return
- +15.2%
- 2018 annual price return
- +9.0%
- 2019 annual price return
- +24.5%
- 2020 annual price return
- -13.5%
- 2021 annual price return
- +11.4%
- 2022 annual price return
- +6.7%
- 2023 annual price return
- +4.2%
- 2024 annual price return
- +19.1%
- 2025 annual price return
- +21.2%
- 2026 annual price return
- +10.3%
ATO Stock Price Trajectory (1983–2026)
As of July 8, 2026, Atmos Energy Corporation (ATO) trades at $177.58, representing a +16.2% return over the past year. The stock has delivered a +97.6% total return over five years (+12.6% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $192.51 on April 9, 2026. From this peak, ATO has corrected -7.8%, currently trading 1% above its 200-day moving average, indicating continued institutional support.
When compared to Utilities sector peers SR (+9.5% 1Y), NJR (+27.2% 1Y), and SWX (+21.4% 1Y), ATO has underperformed the peer group average. Compare ATO vs SR →
ATO Historical Price Data · from 1983
Rows 1–50 of 10,715| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-07-07 | 175.70 | 179.79 | 174.98 | 177.58 | 1.42M | +2.16% |
| 2026-07-06 | 176.54 | 176.54 | 173.49 | 173.83 | 1.05M | -1.72% |
| 2026-07-02 | 174.04 | 176.87 | 173.06 | 176.87 | 855K | +2.22% |
| 2026-07-01 | 172.11 | 173.84 | 172.00 | 173.03 | 1.08M | +0.44% |
| 2026-06-30 | 173.39 | 174.22 | 172.23 | 172.27 | 1.38M | -1.47% |
| 2026-06-29 | 174.28 | 175.42 | 173.91 | 174.84 | 1.32M | -0.19% |
| 2026-06-26 | 171.70 | 175.17 | 171.70 | 175.17 | 757K | +0.86% |
| 2026-06-25 | 174.15 | 175.26 | 173.00 | 173.67 | 1.09M | +0.63% |
| 2026-06-24 | 173.53 | 173.70 | 171.63 | 172.59 | 1.15M | +0.88% |
| 2026-06-23 | 170.31 | 172.77 | 170.09 | 171.09 | 1.01M | +0.88% |
| 2026-06-22 | 170.05 | 170.79 | 168.90 | 169.59 | 1.14M | -0.31% |
| 2026-06-18 | 169.64 | 171.19 | 169.04 | 170.11 | 1.94M | +0.28% |
| 2026-06-17 | 168.62 | 170.04 | 168.24 | 169.64 | 1.44M | +0.01% |
| 2026-06-16 | 170.19 | 171.28 | 168.93 | 169.63 | 999K | +0.02% |
| 2026-06-15 | 168.82 | 170.85 | 168.40 | 169.60 | 896K | -0.21% |
| 2026-06-12 | 168.39 | 169.96 | 168.10 | 169.96 | 1.52M | +1.03% |
| 2026-06-11 | 169.76 | 170.64 | 167.76 | 168.23 | 1.31M | -0.61% |
| 2026-06-10 | 168.18 | 169.94 | 168.02 | 169.27 | 1.23M | +0.98% |
| 2026-06-09 | 168.07 | 168.92 | 166.69 | 167.62 | 1.33M | -0.16% |
| 2026-06-08 | 169.97 | 170.04 | 167.11 | 167.89 | 1.72M | -1.38% |
| 2026-06-05 | 168.45 | 171.97 | 168.44 | 170.24 | 1.43M | +1.35% |
| 2026-06-04 | 169.78 | 170.13 | 166.33 | 167.97 | 1.09M | -0.20% |
| 2026-06-03 | 169.32 | 171.27 | 168.30 | 168.30 | 2.03M | -0.27% |
| 2026-06-02 | 168.13 | 168.91 | 166.64 | 168.75 | 1.71M | +0.96% |
| 2026-06-01 | 168.10 | 169.06 | 167.15 | 167.15 | 1.93M | -1.19% |
| 2026-05-29 | 172.44 | 172.48 | 168.12 | 169.16 | 1.81M | -2.22% |
| 2026-05-28 | 175.27 | 176.47 | 172.04 | 173.01 | 1.26M | -1.83% |
| 2026-05-27 | 176.78 | 177.86 | 175.15 | 176.24 | 931K | -0.83% |
| 2026-05-26 | 176.98 | 178.85 | 176.12 | 177.72 | 1.42M | -0.05% |
| 2026-05-22 | 178.18 | 178.48 | 176.31 | 177.81 | 379K | +0.20% |
| 2026-05-21 | 176.22 | 177.46 | 175.23 | 177.46 | 1.59M | +0.83% |
| 2026-05-20 | 178.20 | 179.02 | 175.93 | 176.00 | 1.90M | -0.97% |
| 2026-05-19 | 178.64 | 180.56 | 177.60 | 177.73 | 1.49M | -0.44% |
| 2026-05-18 | 178.25 | 179.81 | 176.99 | 178.52 | 1.71M | +1.16% |
| 2026-05-15 | 180.88 | 181.22 | 176.33 | 176.48 | 1.37M | -2.43% |
| 2026-05-14 | 180.28 | 181.32 | 179.65 | 180.87 | 949K | +0.51% |
| 2026-05-13 | 181.08 | 181.08 | 178.03 | 179.95 | 1.35M | -1.09% |
| 2026-05-12 | 182.74 | 183.41 | 180.91 | 181.94 | 856K | -0.10% |
| 2026-05-11 | 182.45 | 183.14 | 180.61 | 182.13 | 760K | +0.70% |
| 2026-05-08 | 183.49 | 184.82 | 180.85 | 180.87 | 1.03M | -0.54% |
| 2026-05-07 | 186.86 | 190.19 | 180.68 | 181.86 | 1.84M | -1.44% |
| 2026-05-06 | 188.98 | 188.98 | 183.70 | 184.52 | 665K | -1.46% |
| 2026-05-05 | 186.50 | 188.90 | 185.57 | 187.25 | 516K | -0.28% |
| 2026-05-04 | 187.23 | 189.78 | 186.69 | 187.77 | 631K | -0.41% |
| 2026-05-01 | 189.44 | 191.49 | 187.99 | 188.54 | 476K | -0.76% |
| 2026-04-30 | 186.09 | 190.02 | 185.92 | 189.98 | 519K | +2.30% |
| 2026-04-29 | 186.52 | 187.22 | 185.57 | 185.71 | 608K | -0.76% |
| 2026-04-28 | 187.82 | 187.82 | 185.71 | 187.13 | 437K | +0.81% |
| 2026-04-27 | 186.49 | 187.50 | 185.56 | 185.62 | 374K | +0.09% |
| 2026-04-24 | 187.41 | 187.41 | 185.11 | 185.45 | 554K | -1.26% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ATO — Frequently Asked Questions
Quick answers to the most common questions about buying ATO stock.
How has ATO stock performed recently?
ATO returned +16.2% over the past year, beating its 5-year annualized CAGR of +12.6%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ATO's all-time high price?
Atmos Energy Corporation reached $192.51 on 2026-04-09. The 52-week high is $192.51. Current 1-year return of +16.2% places the stock closer to historical peaks.
Where can I download ATO historical price data?
This page provides ATO daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1983-2026, downloadable in CSV format.