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ATO vs. EIX: Atmos Energy vs. Edison Stock Comparison

How do Atmos Energy (ATO) and Edison (EIX) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Atmos Energy (ATO) and Edison (EIX) both fall under the Utilities industry group, but ATO is classified in Gas Utilities while EIX is classified in Electric Utilities.

Company profile comparison for Atmos Energy (ATO) and Edison (EIX)
Profile ItemATOEIX
NameAtmos Energy CorporationEdison International
Country/RegionUnited StatesUnited States
GICS SectorUtilitiesUtilities
GICS Industry GroupUtilitiesUtilities
GICS IndustryGas UtilitiesElectric Utilities
GICS Sub-IndustryGas UtilitiesElectric Utilities
Market Capitalization29.27 billion USD22.84 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateDecember 28, 1983May 3, 1973
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

ATO
EIX
GSPC
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Atmos Energy (ATO) vs. Edison (EIX), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Atmos Energy (ATO) and Edison (EIX). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Atmos Energy (ATO) and Edison (EIX). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
Total Return (1Y)0.43%11.26%
Total Return (3Y, Annualized)18.83%3.52%
Total Return (5Y, Annualized)16.10%3.43%

Risk Profile

Drawdown History

ATO
EIX
GSPC
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Atmos Energy (ATO) vs. Edison (EIX), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Atmos Energy (ATO) and Edison (EIX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
Volatility (1Y, Annualized)16.06%36.47%
Beta (5Y)0.550.55
Max Drawdown (5Y)-19.08%-43.88%
Avg. Volume (3M)1.03M5.15M

Risk-Adjusted Performance

Risk-Return Positioning

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ATO and EIX are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
Sharpe Ratio (1Y)-0.240.19
Sortino Ratio (1Y)-0.340.23

Profitability

ROE (TTM)

Edison (EIX) at 18.76% clears its industry range for ROE, a sharper capital-efficiency signal than Atmos Energy (ATO) at 9.79%, which is closer to a typical peer reading.

ATO

Utilities industry group

9.79%

Max
17.99%
Q3
12.01%
ATO
9.79%
Median
9.44%
Q1
7.56%
Min
2.17%

EIX

Utilities industry group

18.76%

EIX
18.76%
Max
17.99%
Q3
12.01%
Median
9.44%
Q1
7.56%
Min
2.17%
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their ROE against the Utilities industry group benchmark.

Net Margin (TTM)

For every dollar of sales, both Atmos Energy (ATO) at 28.50% and Edison (EIX) at 19.60% retain more as net profit than most peers, landing in the top net margin quartile of their industries.

ATO

Utilities industry group

28.50%

Max
28.78%
ATO
28.50%
Q3
17.30%
Median
12.73%
Q1
9.18%
Min
-0.20%

EIX

Utilities industry group

19.60%

Max
28.78%
EIX
19.60%
Q3
17.30%
Median
12.73%
Q1
9.18%
Min
-0.20%
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their net margin against the Utilities industry group benchmark.

Operating Margin (TTM)

Atmos Energy (ATO) at 37.22% operates in the top operating margin quartile, ahead of Edison (EIX) at 21.53%, which runs around its industry’s norm.

ATO

Utilities industry group

37.22%

Max
53.83%
ATO
37.22%
Q3
31.12%
Median
23.62%
Q1
15.45%
Min
-4.90%

EIX

Utilities industry group

21.53%

Max
53.83%
Q3
31.12%
Median
23.62%
EIX
21.53%
Q1
15.45%
Min
-4.90%
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their operating margin against the Utilities industry group benchmark.

Profitability Metrics

Profitability metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
ROE (TTM)9.79%18.76%
ROA (TTM)3.89%3.49%
Net Margin (TTM)28.50%19.60%
Operating Margin (TTM)37.22%21.53%
Gross Margin (TTM)62.21%59.44%

Growth

Revenue Growth

Both Atmos Energy (ATO) at 12.91% and Edison (EIX) at 9.76% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Edison (EIX) at 248.94% clears its industry range for EPS growth, a much stronger earnings trajectory than Atmos Energy (ATO) at 9.22%, which is closer to a typical peer reading.

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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
Revenue Growth (YoY)12.91%9.76%
Revenue Growth (3Y CAGR)3.83%3.90%
EPS Growth (YoY)9.22%248.94%
EPS Growth (3Y CAGR)10.03%93.27%

Financial Strength

Current Ratio (MRQ)

Both Atmos Energy (ATO) at 0.81 and Edison (EIX) at 0.77 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

ATO

Utilities industry group

0.81

Max
1.90
Q3
1.17
Median
0.88
ATO
0.81
Q1
0.66
Min
0.29

EIX

Utilities industry group

0.77

Max
1.90
Q3
1.17
Median
0.88
EIX
0.77
Q1
0.66
Min
0.29
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their current ratio against the Utilities industry group benchmark.

Debt / Equity (MRQ)

Atmos Energy (ATO) at 0.68 keeps leverage in the lower quartile, while Edison (EIX) at 2.20 sits in the higher-leverage quartile.

ATO

Utilities industry group

0.68

Max
2.63
Q3
1.77
Median
1.35
Q1
0.84
ATO
0.68
Min
0.00

EIX

Utilities industry group

2.20

Max
2.63
EIX
2.20
Q3
1.77
Median
1.35
Q1
0.84
Min
0.00
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their debt-to-equity ratio against the Utilities industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
Current Ratio (MRQ)0.810.77
Debt / Equity (MRQ)0.682.20
Net Debt / EBITDA3.745.26

Dividends

Dividend Yield (TTM)

Edison (EIX) at 5.76% delivers top-quartile income for its industry, while Atmos Energy (ATO) at 2.21% pays a more typical yield — both are credible income propositions, EIX the richer one.

ATO

Utilities industry group

2.21%

Max
6.66%
Q3
3.58%
Median
2.85%
ATO
2.21%
Q1
0.66%
Min
0.00%

EIX

Utilities industry group

5.76%

Max
6.66%
EIX
5.76%
Q3
3.58%
Median
2.85%
Q1
0.66%
Min
0.00%
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their dividend yield against the Utilities industry group benchmark.

Dividend Payout Ratio (TTM)

Both Atmos Energy (ATO) at 46.13% and Edison (EIX) at 37.30% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.

ATO

Utilities industry group

46.13%

Max
113.04%
Q3
68.72%
Median
56.38%
ATO
46.13%
Q1
32.38%
Min
0.00%

EIX

Utilities industry group

37.30%

Max
113.04%
Q3
68.72%
Median
56.38%
EIX
37.30%
Q1
32.38%
Min
0.00%
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their payout ratio against the Utilities industry group benchmark.

Dividend Metrics

Dividend metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
Dividend Yield (TTM)2.21%5.76%
Dividend Payout Ratio (TTM)46.13%37.30%

Valuation

P/E Ratio (TTM)

Edison (EIX) at 6.31 sits in the cheaper P/E ratio quartile, while Atmos Energy (ATO) at 20.65 is closer to its industry’s usual earnings multiple — a discount for EIX, though growth and earnings durability still matter.

ATO

Utilities industry group

20.65

Max
31.22
Q3
23.30
ATO
20.65
Median
19.64
Q1
15.17
Min
3.34

EIX

Utilities industry group

6.31

Max
31.22
Q3
23.30
Median
19.64
Q1
15.17
EIX
6.31
Min
3.34
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their P/E ratio against the Utilities industry group benchmark.

P/S Ratio (TTM)

Edison (EIX) at 1.23 looks cheap on sales in the lower P/S ratio quartile, while Atmos Energy (ATO) at 5.95 looks rich in the upper quartile — a clear gap in price per dollar of revenue.

ATO

Utilities industry group

5.95

Max
6.35
ATO
5.95
Q3
3.63
Median
2.63
Q1
1.52
Min
0.00

EIX

Utilities industry group

1.23

Max
6.35
Q3
3.63
Median
2.63
Q1
1.52
EIX
1.23
Min
0.00
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their P/S ratio against the Utilities industry group benchmark.

P/B Ratio (MRQ)

Edison (EIX) at 1.28 sits in the lower P/B ratio quartile against book while Atmos Energy (ATO) at 1.92 is valued near its industry’s middle — EIX is cheaper on assets, though weigh it against ROE and asset quality.

ATO

Utilities industry group

1.92

Max
3.12
Q3
2.21
ATO
1.92
Median
1.83
Q1
1.46
Min
0.34

EIX

Utilities industry group

1.28

Max
3.12
Q3
2.21
Median
1.83
Q1
1.46
EIX
1.28
Min
0.34
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Atmos Energy (ATO) vs. Edison (EIX): A comparison of their P/B ratio against the Utilities industry group benchmark.

Valuation Metrics

Valuation metrics for Atmos Energy (ATO) and Edison (EIX)
MetricATOEIX
P/E Ratio (TTM)20.656.31
P/S Ratio (TTM)5.951.23
P/B Ratio (MRQ)1.921.28
Free Cash Flow Yield (TTM)-7.59%-0.77%