Atmos Energy Stock Price History
NYSE: ATOUtilitiesOil/Gas TransmissionUSD
161.66+1.00 (+0.62%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ATO price history at a glance
The price history for Atmos Energy (ATO) on this page begins on December 26, 1983, when the stock closed at $5.54; it most recently closed at $161.66 on October 5, 2026. The highest price in this record is $192.51, reached on April 6, 2026; the latest close is 16.0% below that peak. Across the 42 complete calendar years in the table, ATO finished higher in 32 and lower in 10. Its best year was 1985 (+64.1%) and its worst was 1999 (-36.6%).
Over roughly 43 years the share price changed +2817.2%, a 8.2% compound annual price return (excluding dividends). In the last 12 months alone, ATO has lost 7.6%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1983
- $192.51
- Date of high
- Apr 6, 2026
- Low since 1983
- $5.04
- Date of low
- Aug 27, 1984
- 52-week high
- $192.51
- 52-week low
- $154.72
- Last close
- $161.66
ATO returns
1 week
+2.86%
1 month
-2.96%
3 months
-8.25%
6 months
-15.08%
Year to date
-3.56%
1 year
-7.59%
3 years
+44.37%
5 years
+73.83%
ATO price return, excluding dividends.
ATO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 161.66 | -4.55% |
| 2025 | 169.36 | +22.03% |
| 2024 | 138.79 | +19.75% |
| 2023 | 115.90 | +3.42% |
| 2022 | 112.07 | +6.97% |
| 2021 | 104.77 | +9.79% |
| 2020 | 95.43 | -14.11% |
| 2019 | 111.11 | +21.18% |
| 2018 | 91.69 | +6.75% |
| 2017 | 85.89 | +15.83% |
| 2016 | 74.15 | +17.62% |
| 2015 | 63.04 | +12.77% |
| 2014 | 55.90 | +24.94% |
| 2013 | 44.74 | +24.49% |
| 2012 | 35.94 | +7.77% |
| 2011 | 33.35 | +6.89% |
| 2010 | 31.20 | +6.12% |
| 2009 | 29.40 | +21.69% |
| 2008 | 24.16 | -12.69% |
| 2007 | 27.67 | -13.29% |
| 2006 | 31.91 | +21.98% |
| 2005 | 26.16 | -4.35% |
| 2004 | 27.35 | +10.59% |
| 2003 | 24.73 | +5.23% |
| 2002 | 23.50 | +7.80% |
| 2001 | 21.80 | -10.56% |
| 2000 | 24.38 | +19.27% |
| 1999 | 20.44 | -36.63% |
| 1998 | 32.25 | +11.93% |
| 1997 | 28.81 | +22.61% |
| 1996 | 23.50 | +2.17% |
| 1995 | 23.00 | +35.29% |
| 1994 | 17.00 | -7.69% |
| 1993 | 18.42 | +17.55% |
| 1992 | 15.67 | +3.87% |
| 1991 | 15.08 | +39.23% |
| 1990 | 10.83 | -9.09% |
| 1989 | 11.92 | +10.00% |
| 1988 | 10.83 | +32.65% |
| 1987 | 8.17 | -17.65% |
| 1986 | 9.92 | -7.03% |
| 1985 | 10.67 | +64.10% |
| 1984 | 6.50 | +17.29% |
| 1983* | 5.54 | 0.00% |
* Partial year: the record begins after the start of 1983; return measured from the first available close.
2026 return is year to date.
ATO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 159.99 | 161.92 | 160.17 | 161.66 | +0.62% | |
| 159.53 | 160.83 | 158.37 | 160.66 | +0.91% | |
| 160.01 | 160.40 | 158.59 | 159.21 | -0.33% | |
| 158.91 | 159.95 | 157.84 | 159.74 | +1.07% | |
| 157.31 | 158.48 | 156.09 | 158.05 | +0.56% | |
| 157.07 | 158.62 | 156.59 | 157.17 | +0.51% | |
| 156.01 | 156.86 | 154.72 | 156.38 | -0.04% | |
| 158.13 | 158.16 | 156.25 | 156.44 | -0.74% | |
| 156.08 | 157.99 | 155.64 | 157.60 | +0.35% | |
| 157.55 | 157.80 | 156.34 | 157.05 | -0.10% | |
| 156.11 | 157.50 | 155.39 | 157.21 | +0.51% | |
| 156.94 | 157.70 | 156.01 | 156.42 | +0.12% | |
| 156.53 | 157.32 | 155.00 | 156.24 | -0.70% | |
| 158.02 | 158.88 | 157.26 | 157.34 | -0.59% | |
| 160.26 | 160.41 | 158.15 | 158.27 | -1.27% | |
| 161.00 | 161.12 | 159.98 | 160.30 | -1.07% | |
| 162.42 | 162.96 | 161.43 | 162.03 | +0.04% | |
| 163.20 | 163.98 | 161.53 | 161.96 | -0.05% | |
| 163.81 | 164.25 | 161.99 | 162.04 | -1.10% | |
| 164.16 | 165.08 | 163.14 | 163.84 | +0.40% | |
| 165.72 | 165.87 | 163.04 | 163.19 | -0.98% | |
| 167.56 | 168.06 | 164.67 | 164.81 | -1.07% | |
| 168.22 | 168.30 | 165.89 | 166.59 | -0.88% | |
| 167.19 | 169.06 | 167.19 | 168.07 | +0.30% | |
| 168.40 | 169.58 | 167.28 | 167.56 | -0.92% | |
| 168.30 | 169.44 | 167.42 | 169.12 | +0.86% | |
| 167.66 | 168.36 | 165.98 | 167.68 | -0.01% | |
| 167.13 | 167.75 | 166.17 | 167.70 | +0.95% | |
| 165.50 | 166.76 | 164.62 | 166.13 | -0.31% | |
| 168.35 | 168.35 | 166.38 | 166.65 | -0.34% | |
| 168.07 | 168.07 | 166.41 | 167.22 | -1.32% | |
| 167.74 | 169.63 | 166.50 | 169.46 | +1.13% | |
| 167.94 | 168.43 | 167.10 | 167.56 | -0.15% | |
| 166.35 | 167.97 | 166.03 | 167.82 | +0.58% | |
| 172.12 | 172.12 | 166.85 | 166.85 | -2.15% | |
| 170.75 | 173.13 | 170.37 | 170.52 | -0.46% | |
| 171.40 | 172.17 | 170.39 | 171.31 | +0.47% | |
| 172.07 | 172.73 | 170.32 | 170.51 | +0.36% | |
| 170.47 | 171.52 | 168.90 | 169.90 | -0.01% | |
| 169.50 | 170.28 | 169.12 | 169.92 | -0.02% | |
| 170.30 | 172.09 | 169.40 | 169.96 | +0.22% | |
| 169.06 | 170.36 | 168.13 | 169.59 | +0.22% | |
| 167.79 | 169.48 | 167.24 | 169.21 | +0.77% | |
| 172.27 | 172.27 | 167.15 | 167.92 | -1.33% | |
| 170.96 | 172.30 | 169.70 | 170.19 | -1.04% | |
| 173.35 | 173.60 | 170.87 | 171.98 | -0.13% | |
| 172.18 | 172.58 | 170.46 | 172.20 | -0.26% | |
| 172.60 | 173.71 | 170.00 | 172.65 | -0.14% | |
| 171.96 | 174.22 | 171.53 | 172.89 | +0.06% | |
| 173.30 | 174.92 | 172.22 | 172.78 | -0.85% | |
| 176.94 | 177.42 | 173.55 | 174.26 | -1.92% | |
| 180.49 | 181.37 | 177.09 | 177.67 | -0.95% | |
| 179.61 | 182.64 | 178.97 | 179.38 | +0.65% | |
| 180.79 | 180.79 | 177.57 | 178.22 | -0.56% | |
| 179.09 | 180.00 | 178.10 | 179.22 | +0.66% | |
| 177.40 | 179.71 | 177.40 | 178.04 | -0.24% | |
| 176.90 | 178.56 | 176.19 | 178.47 | +1.95% | |
| 176.75 | 176.89 | 174.68 | 175.05 | -1.29% | |
| 177.43 | 178.65 | 176.19 | 177.33 | -0.20% | |
| 176.04 | 181.47 | 176.04 | 177.68 | -0.20% | |
| 175.20 | 178.21 | 175.19 | 178.04 | +1.75% | |
| 177.65 | 178.22 | 174.65 | 174.98 | -1.94% | |
| 179.47 | 180.85 | 178.07 | 178.45 | -0.58% | |
| 177.35 | 179.96 | 176.94 | 179.50 | +1.87% | |
| 174.56 | 176.60 | 174.56 | 176.20 | +0.85% | |
| 177.03 | 177.44 | 174.46 | 174.72 | -1.34% | |
| 178.14 | 179.13 | 176.18 | 177.09 | -0.28% | |
| 175.70 | 179.79 | 174.98 | 177.58 | +2.16% | |
| 176.79 | 176.79 | 173.49 | 173.83 | -1.72% | |
| 174.29 | 176.88 | 173.06 | 176.87 | +2.22% | |
| 172.11 | 173.85 | 172.00 | 173.03 | +0.44% | |
| 173.39 | 174.22 | 172.18 | 172.27 | -1.47% | |
| 174.28 | 175.42 | 173.82 | 174.84 | -0.19% | |
| 171.70 | 175.19 | 171.70 | 175.17 | +0.86% | |
| 173.00 | 175.27 | 173.00 | 173.67 | +0.63% | |
| 173.53 | 173.70 | 171.63 | 172.59 | +0.88% | |
| 170.89 | 172.77 | 169.95 | 171.09 | +0.88% | |
| 169.23 | 170.79 | 168.90 | 169.59 | -0.31% | |
| 169.64 | 171.21 | 169.04 | 170.11 | +0.28% | |
| 168.62 | 170.05 | 168.22 | 169.64 | +0.01% | |
| 170.19 | 171.28 | 168.93 | 169.63 | +0.02% | |
| 168.82 | 170.85 | 168.40 | 169.60 | -0.21% | |
| 168.22 | 169.99 | 167.77 | 169.96 | +1.03% | |
| 170.26 | 170.59 | 167.74 | 168.23 | -0.61% | |
| 168.95 | 169.94 | 167.78 | 169.27 | +0.98% | |
| 168.29 | 168.92 | 166.69 | 167.62 | -0.16% | |
| 169.97 | 170.04 | 167.11 | 167.89 | -1.38% | |
| 168.94 | 171.95 | 168.45 | 170.24 | +1.36% | |
| 169.78 | 170.13 | 166.33 | 167.96 | -0.20% | |
| 169.32 | 171.27 | 168.24 | 168.30 | -0.27% | |
| 168.13 | 168.91 | 166.47 | 168.75 | +0.96% | |
| 168.10 | 169.06 | 167.11 | 167.15 | -1.17% | |
| 172.44 | 172.94 | 168.12 | 169.13 | -2.25% | |
| 174.83 | 176.47 | 172.04 | 173.03 | -1.82% | |
| 176.78 | 177.86 | 175.15 | 176.24 | -0.83% | |
| 176.98 | 178.85 | 176.12 | 177.72 | -0.05% | |
| 178.18 | 178.48 | 176.31 | 177.81 | +0.20% | |
| 176.22 | 177.47 | 175.23 | 177.46 | +0.83% | |
| 178.20 | 179.02 | 175.86 | 176.00 | -0.97% | |
| 178.64 | 180.56 | 177.57 | 177.73 | -0.44% | |
| 177.73 | 179.81 | 176.99 | 178.52 | +1.16% | |
| 180.88 | 181.22 | 176.29 | 176.48 | -2.43% | |
| 180.28 | 181.37 | 179.65 | 180.87 | +0.51% | |
| 181.08 | 181.08 | 178.03 | 179.95 | -1.09% | |
| 182.74 | 183.43 | 180.91 | 181.94 | -0.10% | |
| 182.45 | 183.14 | 180.61 | 182.13 | +0.70% | |
| 183.49 | 184.83 | 180.85 | 180.87 | -0.54% | |
| 186.86 | 190.19 | 180.68 | 181.86 | -1.57% | |
| 188.98 | 188.98 | 183.70 | 184.76 | -1.33% | |
| 186.50 | 188.90 | 185.57 | 187.25 | -0.28% | |
| 187.23 | 189.69 | 186.67 | 187.77 | -0.41% | |
| 188.57 | 191.49 | 187.99 | 188.54 | -0.76% | |
| 186.09 | 190.10 | 185.92 | 189.98 | +2.30% | |
| 186.52 | 187.22 | 185.57 | 185.71 | -0.76% | |
| 187.82 | 187.82 | 185.71 | 187.13 | +0.81% | |
| 186.49 | 187.50 | 185.56 | 185.62 | +0.09% | |
| 187.41 | 187.41 | 185.11 | 185.45 | -1.26% | |
| 183.65 | 188.54 | 182.47 | 187.81 | +2.92% | |
| 183.96 | 184.65 | 181.32 | 182.49 | -0.24% | |
| 187.35 | 187.35 | 182.68 | 182.93 | -1.77% | |
| 186.09 | 187.71 | 186.00 | 186.23 | -0.17% | |
| 187.34 | 187.34 | 183.77 | 186.54 | -0.77% | |
| 185.94 | 188.31 | 185.75 | 187.98 | +0.92% | |
| 187.50 | 187.50 | 185.36 | 186.26 | -1.01% | |
| 187.04 | 188.33 | 185.28 | 188.16 | +0.22% | |
| 190.26 | 190.26 | 186.48 | 187.75 | -1.37% | |
| 192.29 | 192.31 | 190.31 | 190.36 | -1.00% | |
| 189.46 | 192.51 | 189.22 | 192.29 | +1.39% | |
| 186.70 | 190.03 | 186.02 | 189.66 | +0.51% | |
| 187.81 | 190.05 | 187.57 | 188.70 | +0.47% | |
| 188.81 | 190.00 | 187.56 | 187.81 | -0.61% | |
| 186.21 | 189.11 | 185.31 | 188.97 | +1.88% | |
| 183.60 | 186.59 | 183.58 | 185.49 | +0.42% | |
| 185.87 | 186.07 | 182.50 | 184.72 | -0.16% | |
| 184.85 | 186.22 | 184.05 | 185.02 | +1.00% | |
| 183.44 | 184.45 | 182.75 | 183.19 | +0.01% | |
| 181.21 | 183.26 | 180.85 | 183.18 | +0.90% | |
| 182.48 | 183.42 | 181.41 | 181.55 | -0.01% | |
| 180.21 | 183.63 | 179.32 | 181.57 | +0.30% | |
| 181.31 | 182.29 | 180.52 | 181.03 | +0.30% | |
| 184.95 | 185.42 | 180.43 | 180.49 | -2.39% | |
| 185.13 | 186.21 | 183.42 | 184.90 | -0.19% | |
| 185.86 | 186.45 | 185.10 | 185.25 | -0.93% | |
| 189.07 | 189.07 | 186.52 | 186.98 | -0.45% | |
| 190.13 | 190.13 | 187.07 | 187.82 | -0.40% | |
| 188.62 | 189.32 | 186.85 | 188.58 | +0.96% | |
| 184.83 | 188.80 | 183.79 | 186.79 | +1.35% | |
| 184.52 | 184.84 | 182.19 | 184.30 | +0.47% | |
| 184.20 | 186.30 | 183.07 | 183.44 | -0.97% | |
| 183.12 | 185.90 | 182.91 | 185.24 | +0.11% | |
| 184.44 | 186.23 | 183.23 | 185.04 | -0.18% | |
| 185.11 | 186.51 | 184.00 | 185.38 | -0.74% | |
| 185.89 | 186.89 | 183.85 | 186.77 | +0.41% | |
| 184.85 | 186.46 | 182.65 | 186.00 | -0.57% | |
| 186.79 | 187.98 | 185.25 | 187.07 | +0.15% | |
| 184.36 | 187.82 | 182.88 | 186.79 | +1.72% | |
| 182.34 | 183.91 | 181.97 | 183.63 | +0.86% | |
| 181.89 | 182.48 | 180.09 | 182.06 | +0.02% | |
| 181.78 | 182.39 | 180.41 | 182.02 | +0.17% | |
| 180.19 | 182.69 | 180.19 | 181.72 | +0.41% | |
| 180.26 | 181.08 | 178.30 | 180.97 | +1.12% | |
| 179.15 | 180.12 | 178.25 | 178.97 | +0.48% | |
| 179.95 | 180.39 | 177.63 | 178.12 | -1.18% | |
| 180.09 | 181.01 | 179.26 | 180.24 | +0.55% | |
| 177.52 | 179.94 | 176.61 | 179.25 | +0.83% | |
| 176.68 | 179.89 | 176.53 | 177.77 | +1.02% | |
| 174.15 | 176.37 | 173.77 | 175.97 | +1.03% | |
| 171.85 | 174.50 | 171.14 | 174.17 | +1.58% | |
| 171.28 | 171.72 | 169.82 | 171.46 | +0.05% | |
| 172.66 | 174.57 | 170.78 | 171.38 | -0.07% | |
| 173.61 | 173.61 | 170.21 | 171.50 | -0.19% | |
| 171.12 | 174.57 | 168.67 | 171.83 | +1.79% | |
| 166.13 | 169.99 | 166.13 | 168.81 | +1.38% | |
| 166.33 | 167.29 | 164.50 | 166.52 | +0.11% | |
| 165.59 | 167.21 | 164.40 | 166.34 | +0.20% | |
| 166.93 | 168.82 | 165.94 | 166.00 | 0.00% | |
| 169.00 | 169.40 | 165.98 | 166.00 | -1.79% | |
| 168.24 | 169.03 | 167.39 | 169.03 | +0.31% | |
| 166.61 | 169.03 | 166.25 | 168.50 | +1.91% | |
| 165.26 | 165.53 | 163.57 | 165.34 | -0.04% | |
| 169.31 | 169.31 | 163.77 | 165.40 | -1.76% | |
| 169.70 | 169.84 | 166.68 | 168.37 | +0.22% | |
| 170.73 | 172.09 | 167.99 | 168.00 | -1.45% | |
| 169.37 | 170.67 | 169.13 | 170.47 | +0.11% | |
| 169.34 | 170.49 | 168.52 | 170.28 | +0.92% | |
| 168.58 | 170.13 | 168.18 | 168.72 | +0.18% | |
| 167.63 | 168.94 | 166.70 | 168.41 | +0.48% | |
| 166.93 | 168.66 | 166.74 | 167.61 | +0.50% | |
| 167.20 | 168.62 | 166.39 | 166.78 | -0.19% | |
| 166.01 | 168.30 | 165.73 | 167.10 | +0.57% | |
| 168.15 | 168.61 | 165.52 | 166.15 | -0.83% | |
| 167.21 | 168.17 | 166.49 | 167.54 | +0.40% | |
| 168.50 | 169.17 | 164.50 | 166.88 | -1.46% | |
| 167.15 | 170.11 | 166.34 | 169.36 | +1.03% | |
| 168.58 | 169.01 | 167.47 | 167.63 | -0.56% | |
| 168.91 | 169.27 | 168.25 | 168.58 | -0.12% | |
| 168.93 | 169.60 | 168.47 | 168.78 | +0.39% | |
| 168.34 | 168.78 | 167.30 | 168.13 | -0.16% | |
| 168.44 | 169.21 | 167.72 | 168.40 | +0.24% | |
| 167.42 | 168.68 | 166.99 | 167.99 | +0.39% | |
| 166.70 | 167.45 | 165.37 | 167.34 | +0.38% | |
| 169.19 | 169.42 | 166.60 | 166.70 | -1.61% | |
| 168.71 | 170.44 | 168.71 | 169.42 | +0.15% | |
| 167.95 | 170.78 | 167.43 | 169.17 | +0.70% | |
| 168.67 | 170.43 | 167.89 | 168.00 | -1.61% | |
| 168.75 | 171.42 | 167.91 | 170.75 | +1.41% | |
| 167.34 | 169.64 | 167.07 | 168.37 | +0.77% | |
| 167.37 | 170.10 | 166.40 | 167.09 | +0.17% | |
| 166.16 | 167.73 | 165.99 | 166.80 | +0.31% | |
| 168.24 | 169.08 | 165.89 | 166.28 | -0.47% | |
| 170.83 | 171.16 | 166.75 | 167.07 | -2.46% | |
| 170.28 | 172.13 | 170.28 | 171.29 | +0.20% | |
| 170.40 | 172.11 | 170.40 | 170.95 | -0.12% | |
| 170.91 | 172.29 | 170.18 | 171.15 | +0.63% | |
| 172.53 | 172.53 | 169.64 | 170.08 | -0.96% | |
| 175.61 | 176.22 | 171.56 | 171.72 | -2.64% | |
| 176.22 | 176.99 | 175.61 | 176.37 | +0.36% | |
| 173.31 | 176.02 | 173.21 | 175.74 | +1.38% | |
| 174.89 | 175.63 | 172.64 | 173.34 | -0.70% | |
| 174.00 | 175.37 | 173.34 | 174.56 | -0.34% | |
| 175.30 | 176.11 | 174.30 | 175.16 | +0.22% | |
| 174.51 | 176.00 | 174.02 | 174.77 | +0.49% | |
| 175.02 | 175.66 | 173.56 | 173.92 | -0.74% | |
| 175.95 | 177.05 | 174.96 | 175.22 | -0.26% | |
| 175.95 | 177.02 | 174.80 | 175.68 | +0.32% | |
| 177.97 | 179.26 | 174.89 | 175.12 | -1.60% | |
| 178.22 | 180.33 | 177.74 | 177.97 | +0.08% | |
| 178.39 | 179.20 | 177.50 | 177.83 | -0.46% | |
| 178.26 | 178.84 | 177.39 | 178.66 | +0.51% | |
| 175.92 | 178.02 | 175.80 | 177.76 | +0.48% | |
| 176.43 | 177.87 | 175.29 | 176.91 | +0.81% | |
| 177.15 | 180.65 | 175.22 | 175.48 | +1.67% | |
| 173.55 | 174.34 | 171.70 | 172.59 | -0.78% | |
| 173.51 | 174.11 | 171.82 | 173.95 | +0.72% | |
| 170.98 | 173.23 | 169.31 | 172.70 | +0.57% | |
| 172.95 | 173.62 | 171.38 | 171.72 | -0.94% | |
| 172.41 | 174.13 | 172.26 | 173.35 | +0.98% | |
| 173.82 | 174.40 | 171.44 | 171.66 | -1.62% | |
| 175.90 | 176.46 | 174.28 | 174.49 | -1.05% | |
| 175.84 | 176.35 | 174.44 | 176.35 | +0.24% | |
| 176.23 | 176.67 | 175.19 | 175.93 | +0.10% | |
| 178.00 | 178.00 | 174.98 | 175.75 | -0.76% | |
| 177.70 | 177.92 | 176.14 | 177.10 | +0.03% | |
| 178.21 | 178.49 | 176.44 | 177.04 | -0.39% | |
| 177.57 | 178.07 | 175.31 | 177.74 | +0.75% | |
| 176.87 | 177.23 | 175.02 | 176.41 | +0.02% | |
| 178.63 | 179.60 | 176.15 | 176.37 | -1.57% | |
| 177.82 | 179.70 | 177.65 | 179.19 | +0.87% | |
| 176.21 | 177.95 | 175.41 | 177.65 | +1.20% | |
| 175.75 | 176.92 | 174.13 | 175.54 | -0.53% | |
| 175.91 | 177.83 | 175.29 | 176.48 | +0.89% | |
| 176.61 | 177.01 | 174.72 | 174.93 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ATO chart for longer ranges.