Atmos Energy (ATO) Total Return Calculator
$10,000 since Dec 2007, with and without reinvesting · data through Oct 2026
$10,000 invested in Atmos Energy (ATO) ten years ago, at the end of Oct 2016, was worth $29,371 at the end of Oct 2026 with every dividend reinvested: 11.4% a year, against $41,633 in the S&P 500. Since Dec 2007, $10,000 became $109,676 reinvested (13.6% a year), or $75,726 taking the dividends as cash, $14,239 of it paid out along the way.
ATO became
$109,676
S&P 500: $72,756
Return a year
13.6%
S&P 500: 11.1%
Payouts reinvested
$21,143
bought more shares
Worst drop
-25.6%
S&P 500: -48.2%
$10,000, Dec 2007 to Oct 2026
Payouts reinvested · S&P 500 reinvested
| Year | ATO total return | Paid out | S&P 500 |
|---|---|---|---|
| 2026 (part) | +4.6% | $1,895 | +11.7% |
| 2025 | +23.1% | $2,241 | +17.7% |
| 2024 | +23.4% | $2,011 | +24.9% |
| 2023 | +6.2% | $1,769 | +26.2% |
| 2022 | +9.6% | $1,630 | −18.2% |
| 2021 | +12.7% | $1,387 | +28.7% |
| 2020 | −12.7% | $1,245 | +18.3% |
| 2019 | +23.2% | $1,160 | +31.2% |
| 2018 | +10.4% | $1,056 | −4.6% |
| 2017 | +18.4% | $972 | +21.7% |
| 2016 | +20.5% | $860 | +12.0% |
| 2015 | +16.3% | $779 | +1.2% |
| 2014 | +26.5% | $720 | +13.5% |
| 2013 | +33.8% | $653 | +32.3% |
| 2012 | +9.8% | $626 | +16.0% |
| 2011 | +11.4% | $594 | +1.9% |
| 2010 | +11.3% | $559 | +15.1% |
| 2009 | +30.7% | $506 | +26.4% |
| 2008 | −11.2% | $481 | −36.8% |
"Paid out" is what your holding received that year. Month-end prices; no costs or taxes.
Key facts: ATO total return
Data as of · Source: SmarterDividends data
- $10,000 invested in Atmos Energy (ATO) at the end of Dec 2007, with dividends reinvested, was worth $109,676 at the end of Oct 2026: 13.6% a year, against $72,756 (11.1% a year) in the S&P 500.
- Over the 10 years to Oct 2026, ATO turned $10,000 into $29,371 with dividends reinvested, 11.4% a year.
- Over the 5 years to Oct 2026, ATO returned 16.2% a year with dividends reinvested (S&P 500: 12.0%).
- Taking ATO's dividends as cash instead of reinvesting them, the same $10,000 ended at $75,726, including $14,239 of cash received; reinvesting added $33,949.
- ATO's best calendar year in that time was 2013 (33.8%) and its worst 2020 (-12.7%), with dividends reinvested.
Cite this page
SmarterDividends, "Atmos Energy (ATO) Total Return Calculator," updated Nov 5, 2026, https://smarterdividends.com/stocks/ATO/total-return
ATO total return questions
If I invested $10,000 in ATO 10 years ago, how much would I have?
About $29,371 at the end of Oct 2026, with every dividend reinvested: 11.4% a year. Taking them as cash, you'd have shares worth $23,177 or so plus the cash you received. The same $10,000 in the S&P 500 became $41,633.
What is ATO's total return since Dec 2007?
997% in total, or 13.6% a year, through Oct 2026 with dividends reinvested. The share price alone rose 515%.
How much of ATO's return came from dividends?
About 25% of its yearly return since Dec 2007. Reinvesting them, rather than taking cash, left you $33,949 better off on a $10,000 start.
What was ATO's worst year?
2020, at -12.7% with dividends reinvested (S&P 500: 18.3%). Its deepest fall from a peak, on month-end values, was -25.6%.
How is total return calculated here?
From month-end prices: the adjusted price counts every dividend reinvested in the month it was paid; the plain price doesn't. The S&P 500 is SPY with its dividends reinvested. No trading costs or taxes.