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ATO vs. ^GSPC
Performance
Risk-Adjusted Performance
Drawdowns
Volatility

Correlation

The correlation between ATO and ^GSPC is 0.34, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


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Performance

ATO vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Atmos Energy Corporation (ATO) and S&P 500 (^GSPC). The values are adjusted to include any dividend payments, if applicable.

-10.00%0.00%10.00%20.00%30.00%AugustSeptemberOctoberNovemberDecember2025
14.68%
3.77%
ATO
^GSPC

Key characteristics

Sharpe Ratio

ATO:

1.23

^GSPC:

1.77

Sortino Ratio

ATO:

1.82

^GSPC:

2.37

Omega Ratio

ATO:

1.23

^GSPC:

1.32

Calmar Ratio

ATO:

1.90

^GSPC:

2.65

Martin Ratio

ATO:

5.46

^GSPC:

11.13

Ulcer Index

ATO:

3.45%

^GSPC:

2.02%

Daily Std Dev

ATO:

15.30%

^GSPC:

12.77%

Max Drawdown

ATO:

-51.94%

^GSPC:

-56.78%

Current Drawdown

ATO:

-9.50%

^GSPC:

-4.32%

Returns By Period

In the year-to-date period, ATO achieves a -1.60% return, which is significantly lower than ^GSPC's -0.93% return. Over the past 10 years, ATO has outperformed ^GSPC with an annualized return of 11.86%, while ^GSPC has yielded a comparatively lower 11.26% annualized return.


ATO

YTD

-1.60%

1M

-2.27%

6M

14.68%

1Y

21.49%

5Y*

6.70%

10Y*

11.86%

^GSPC

YTD

-0.93%

1M

-3.71%

6M

3.77%

1Y

21.81%

5Y*

12.17%

10Y*

11.26%

*Annualized

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Atmos Energy Corporation

S&P 500

Risk-Adjusted Performance

ATO vs. ^GSPC — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ATO
The Risk-Adjusted Performance Rank of ATO is 8383
Overall Rank
The Sharpe Ratio Rank of ATO is 8585
Sharpe Ratio Rank
The Sortino Ratio Rank of ATO is 8080
Sortino Ratio Rank
The Omega Ratio Rank of ATO is 7777
Omega Ratio Rank
The Calmar Ratio Rank of ATO is 9090
Calmar Ratio Rank
The Martin Ratio Rank of ATO is 8484
Martin Ratio Rank

^GSPC
The Risk-Adjusted Performance Rank of ^GSPC is 9090
Overall Rank
The Sharpe Ratio Rank of ^GSPC is 8989
Sharpe Ratio Rank
The Sortino Ratio Rank of ^GSPC is 8686
Sortino Ratio Rank
The Omega Ratio Rank of ^GSPC is 8989
Omega Ratio Rank
The Calmar Ratio Rank of ^GSPC is 9292
Calmar Ratio Rank
The Martin Ratio Rank of ^GSPC is 9292
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

ATO vs. ^GSPC - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Atmos Energy Corporation (ATO) and S&P 500 (^GSPC). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.


The chart of Sharpe ratio for ATO, currently valued at 1.23, compared to the broader market-4.00-2.000.002.001.231.77
The chart of Sortino ratio for ATO, currently valued at 1.82, compared to the broader market-4.00-2.000.002.004.001.822.37
The chart of Omega ratio for ATO, currently valued at 1.23, compared to the broader market0.501.001.502.001.231.32
The chart of Calmar ratio for ATO, currently valued at 1.90, compared to the broader market0.002.004.006.001.902.65
The chart of Martin ratio for ATO, currently valued at 5.46, compared to the broader market0.0010.0020.005.4611.13
ATO
^GSPC

The current ATO Sharpe Ratio is 1.23, which is lower than the ^GSPC Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of ATO and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.000.501.001.502.002.503.003.50AugustSeptemberOctoberNovemberDecember2025
1.23
1.77
ATO
^GSPC

Drawdowns

ATO vs. ^GSPC - Drawdown Comparison

The maximum ATO drawdown since its inception was -51.94%, smaller than the maximum ^GSPC drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for ATO and ^GSPC. For additional features, visit the drawdowns tool.


-10.00%-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-9.50%
-4.32%
ATO
^GSPC

Volatility

ATO vs. ^GSPC - Volatility Comparison

Atmos Energy Corporation (ATO) has a higher volatility of 5.44% compared to S&P 500 (^GSPC) at 4.66%. This indicates that ATO's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%3.00%4.00%5.00%6.00%AugustSeptemberOctoberNovemberDecember2025
5.44%
4.66%
ATO
^GSPC

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