Atmos Energy Corporation (ATO) Stock Price History
Historical prices from 1983 to 2026
- 1M
- +3.3%
- 3M
- -6.0%
- YTD
- -1.2%
- 1Y
- -5.1%
- 3Y
- +14.2%
- 5Y
- +12.9%
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
- -4.5%
ATO Stock Price Trajectory (1983–2026)
As of October 17, 2026, Atmos Energy Corporation (ATO) trades at $167.34, representing a -5.1% return over the past year. The stock has delivered a +101.7% total return over five years (+12.9% 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 -13.1%, currently trading 4% below its 200-day moving average, suggesting potential weakness.
When compared to Utilities sector peers SR (-3.3% 1Y), NJR (+12.5% 1Y), and SWX (+12.8% 1Y), ATO has underperformed the peer group average. Compare ATO vs SR →
ATO Historical Price Data · from 1983
Rows 1–50 of 10,786| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-10-16 | 164.34 | 167.80 | 164.34 | 167.34 | 947K | +2.07% |
| 2026-10-15 | 166.06 | 166.06 | 163.44 | 163.95 | 887K | +0.01% |
| 2026-10-14 | 163.41 | 165.00 | 161.97 | 163.94 | 871K | +0.29% |
| 2026-10-13 | 163.31 | 164.27 | 160.69 | 163.47 | 804K | +0.67% |
| 2026-10-12 | 161.66 | 163.21 | 161.37 | 162.38 | 1.44M | +0.45% |
| 2026-10-09 | 159.99 | 161.92 | 159.99 | 161.66 | 878K | +0.62% |
| 2026-10-08 | 159.53 | 160.83 | 158.37 | 160.66 | 2.14M | +0.91% |
| 2026-10-07 | 160.01 | 160.40 | 158.59 | 159.21 | 1.53M | -0.33% |
| 2026-10-06 | 158.91 | 159.95 | 157.84 | 159.74 | 1.05M | +1.07% |
| 2026-10-05 | 157.31 | 158.48 | 156.09 | 158.05 | 857K | +0.56% |
| 2026-10-02 | 157.07 | 158.62 | 156.59 | 157.17 | 844K | +0.51% |
| 2026-10-01 | 156.01 | 156.85 | 154.72 | 156.38 | 1.09M | -0.04% |
| 2026-09-30 | 158.13 | 158.16 | 156.25 | 156.44 | 966K | -0.74% |
| 2026-09-29 | 156.08 | 157.99 | 155.64 | 157.60 | 921K | +0.35% |
| 2026-09-28 | 157.55 | 157.80 | 156.34 | 157.05 | 1.04M | -0.10% |
| 2026-09-25 | 156.11 | 157.50 | 155.39 | 157.21 | 1.04M | +0.51% |
| 2026-09-24 | 156.94 | 157.70 | 156.01 | 156.42 | 1.22M | +0.12% |
| 2026-09-23 | 156.53 | 157.32 | 155.00 | 156.24 | 1.07M | -0.70% |
| 2026-09-22 | 158.02 | 158.88 | 157.26 | 157.34 | 999K | -0.59% |
| 2026-09-21 | 160.26 | 160.41 | 158.15 | 158.27 | 1.06M | -1.27% |
| 2026-09-18 | 161.00 | 161.12 | 159.98 | 160.30 | 2.08M | -1.07% |
| 2026-09-17 | 162.42 | 162.96 | 161.43 | 162.03 | 1.42M | +0.04% |
| 2026-09-16 | 163.20 | 163.98 | 161.53 | 161.96 | 1.18M | -0.05% |
| 2026-09-15 | 163.81 | 164.25 | 161.99 | 162.04 | 1.11M | -1.10% |
| 2026-09-14 | 164.16 | 165.08 | 163.14 | 163.84 | 988K | +0.40% |
| 2026-09-11 | 165.72 | 165.87 | 163.04 | 163.19 | 971K | -0.98% |
| 2026-09-10 | 167.56 | 168.06 | 164.67 | 164.81 | 903K | -1.07% |
| 2026-09-09 | 168.22 | 168.30 | 165.89 | 166.59 | 667K | -0.88% |
| 2026-09-08 | 167.19 | 169.06 | 167.19 | 168.07 | 774K | +0.30% |
| 2026-09-04 | 168.40 | 169.58 | 167.28 | 167.56 | 694K | -0.92% |
| 2026-09-03 | 168.30 | 169.44 | 167.42 | 169.12 | 689K | +0.86% |
| 2026-09-02 | 167.66 | 168.36 | 165.98 | 167.68 | 875K | -0.01% |
| 2026-09-01 | 167.13 | 167.75 | 166.17 | 167.70 | 785K | +0.95% |
| 2026-08-31 | 165.50 | 166.76 | 164.62 | 166.13 | 1.15M | -0.31% |
| 2026-08-28 | 168.35 | 168.35 | 166.38 | 166.65 | 517K | -0.34% |
| 2026-08-27 | 168.07 | 168.07 | 166.41 | 167.22 | 825K | -1.32% |
| 2026-08-26 | 167.74 | 169.63 | 166.50 | 169.46 | 739K | +1.13% |
| 2026-08-25 | 167.94 | 168.43 | 167.10 | 167.56 | 971K | -0.15% |
| 2026-08-24 | 166.35 | 167.97 | 166.03 | 167.82 | 796K | +0.58% |
| 2026-08-21 | 172.12 | 172.12 | 166.85 | 166.85 | 1.07M | -2.15% |
| 2026-08-20 | 170.75 | 173.13 | 170.37 | 170.52 | 1.13M | -0.46% |
| 2026-08-19 | 171.40 | 172.17 | 170.39 | 171.31 | 916K | +0.47% |
| 2026-08-18 | 172.07 | 172.73 | 170.32 | 170.51 | 826K | +0.36% |
| 2026-08-17 | 170.47 | 171.52 | 168.90 | 169.90 | 1.55M | -0.01% |
| 2026-08-14 | 169.50 | 170.28 | 169.12 | 169.92 | 1.29M | -0.02% |
| 2026-08-13 | 170.30 | 172.09 | 169.40 | 169.96 | 1.32M | +0.22% |
| 2026-08-12 | 169.06 | 170.36 | 168.13 | 169.59 | 1.27M | +0.22% |
| 2026-08-11 | 167.79 | 169.48 | 167.24 | 169.21 | 910K | +0.77% |
| 2026-08-10 | 172.27 | 172.27 | 167.15 | 167.92 | 899K | -1.33% |
| 2026-08-07 | 170.96 | 172.30 | 169.70 | 170.19 | 908K | -1.04% |
ATO Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
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 declined -5.1% over the past year, below its 5-year annualized CAGR of +12.9%. The stock trades below its 200-day moving average, reflecting the downtrend.
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 -5.1% places the stock further from 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.