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ATO
Atmos Energy CorporationStock · UtilitiesS&P 500 0.1%
$179.17+$1.13 (+0.63%)as of market close, Jul 24, 2026
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ATO trailing returns

Atmos Energy Corporation's 10-year annualized return is +10.9% per year (+181.5% cumulative). How Atmos Energy Corporation (ATO) has performed over the last day, week, month and year, over 5, 10 and 20 years, and since inception, through July 24, 2026 — cumulative and annualized, with dividends on or off.

Trailing returns by period#

To 2026-07-24. Annualized (CAGR) for windows of a year or more.

PeriodPathAnnualizedCumulative
1 day+0.6%
1 week+0.8%
1 month+3.8%
YTD+8.1%
1 year
+16.6%
+16.6%
5 years
+15.3%
+103.8%
10 years
+10.9%
+181.5%
20 years
+13.1%
+1065.8%
Since inception (1983)
+11.4%
+9986.1%

Growth of ATO#

Actual index level (solid); dashed lines are each window's constant-rate path from start to today.

2.05.010.020.050.010019861992199820042010201620225 yearsJul 2021 → Jul 2026+103.8%+15.3%/year10 yearsJul 2016 → Jul 2026+181.5%+10.9%/year20 yearsJul 2006 → Jul 2026+1065.8%+13.1%/yearSince inception (1983)Dec 1983 → Jul 2026+9986.1%+11.4%/year

Methodology#

Trailing returns measure from the closest close about N years before the latest close (2026-07-24). Cumulative return is the total change over the window; annualized return is the compound annual growth rate (CAGR), shown for windows of a year or more. Total return reinvests dividends (from ATO's split- and dividend-adjusted closes); price return excludes them. See the year-by-year returns for the calendar breakdown. Past performance does not predict future returns; not investment advice.

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FAQ

What is Atmos Energy Corporation's 10-year return?
Over the last 10 years, Atmos Energy Corporation (ATO) returned about +10.9% a year annualized (+181.5% cumulative total return).
What is Atmos Energy Corporation's 20-year annualized return?
Over the last 20 years, Atmos Energy Corporation (ATO) compounded at about +13.1% a year (+1065.8% cumulative).
What is Atmos Energy Corporation's return since inception?
Since 1983, Atmos Energy Corporation (ATO) has compounded at about +11.4% a year — +9986.1% in total.