Atmos Energy Corporation (ATO) Stock Price History
Historical prices from 1983 to 2026
- 1M
- -4.7%
- 3M
- -8.2%
- YTD
- +0.4%
- 1Y
- +11.6%
- 3Y
- +13.6%
- 5Y
- +11.7%
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 June 23, 2026, Atmos Energy Corporation (ATO) trades at $170.11, representing a +11.6% return over the past year. The stock has delivered a +90.1% total return over five years (+11.7% 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 -11.6%, currently trading 3% below its 200-day moving average, suggesting potential weakness.
When compared to Utilities sector peers SR (+6.4% 1Y), NJR (+24.6% 1Y), and SWX (+19.7% 1Y), ATO has underperformed the peer group average. Compare ATO vs SR →
ATO Historical Price Data · from 1983
Rows 1–50 of 10,704| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-23 | 183.65 | 188.54 | 182.47 | 187.81 | 674K | +2.92% |
| 2026-04-22 | 183.96 | 184.65 | 181.32 | 182.49 | 776K | -0.24% |
| 2026-04-21 | 187.35 | 187.35 | 182.68 | 182.93 | 561K | -1.77% |
| 2026-04-20 | 186.09 | 187.71 | 186.00 | 186.23 | 485K | -0.17% |
| 2026-04-17 | 187.34 | 187.34 | 183.77 | 186.54 | 736K | -0.76% |
| 2026-04-16 | 185.94 | 188.31 | 185.75 | 187.96 | 788K | +0.91% |
| 2026-04-15 | 186.87 | 187.50 | 185.36 | 186.26 | 506K | -1.01% |
| 2026-04-14 | 186.21 | 188.33 | 185.28 | 188.16 | 452K | +0.22% |
| 2026-04-13 | 189.78 | 190.26 | 186.49 | 187.75 | 384K | -1.37% |
| 2026-04-10 | 192.06 | 192.31 | 190.31 | 190.36 | 867K | -0.98% |
| 2026-04-09 | 189.30 | 192.51 | 189.22 | 192.25 | 446K | +1.37% |
Full Stock Analysis
Deep dive into ATO consensus models and risk factors.
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 +11.6% over the past year, beating its 5-year annualized CAGR of +11.7%. The stock trades below 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 +11.6% 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.