Market Cap
$28.75B$291.15M+1.02%
Summary
- Current Value
- As of today, ATO market cap is $29B, up +1.02% in the most recent trading session on
- Category
- Based on its current market cap, ATO falls into the Large Cap category
- Historical Performance
- ATO market cap is up +3.69% year-to-date, up +22.42% over the past 365 days
- All-Time High Comparison
- ATO market cap is currently -0.68% below its historical high of $29B set on
- 3-Year Low Comparison
- ATO market cap is +88.55% above its 3-year low of $15B reached on
- Sector Comparison
- ATO market cap is higher than 82.41% of companies in Utilities sector
Market Cap Chart
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Series
SUGGESTED SERIES
Performance
| Metric | Date | Value | 1D | 1M | 3M | YTD | 1Y | 3Y | 5Y |
|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $29B | +1.0% | +3.2% | -0.1% | +3.7% | +22.4% | +71.9% | +146.4% | |
| Price | $177.77 | +1.0% | +5.6% | -0.1% | +6.0% | +20.1% | +52.2% | +95.2% | |
| Shares Outstanding | 161.75M | -2.2% | – | – | – | +1.9% | +13.0% | +26.2% | |
| PE Ratio | 23.14 | +1.0% | +5.6% | -2.9% | +6.0% | +9.4% | +13.0% | +30.7% | |
| TTM Revenue | $4.87B | +3.5% | – | +3.5% | – | +16.4% | +4.2% | +70.3% | |
| TTM EPS | $7.68 | +2.9% | – | +2.9% | – | +9.9% | +34.7% | +49.4% | |
| $38.02B | +0.8% | +2.4% | +0.4% | +2.8% | +21.0% | +50.2% | +132.7% | ||
| TTM Dividend Per Share | $3.61 | 0.0% | 0.0% | +3.7% | 0.0% | +9.9% | +29.9% | +53.6% | |
| TTM Net Income | $1.25B | +4.3% | – | +4.3% | – | +15.4% | +56.8% | +95.2% |
Market Cap Highs
| Period | High | Date | Current |
|---|---|---|---|
| 1M | $29B | at high | |
| 3M | $29B | -0.1% | |
| 6M | $29B | -0.7% | |
| 1Y | $29B | -0.7% | |
| 3Y | $29B | -0.7% | |
| 5Y | $29B | -0.7% | |
| All | $29B | -0.7% |
Market Cap Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 1M | $27B | +6.9% | |
| 3M | $27B | +7.0% | |
| 6M | $26B | +10.3% | |
| 1Y | $23B | +24.8% | |
| 3Y | $15B | +88.5% | |
| 5Y | $11B | +165.2% | |
| All | $28M | >+9999.0% |
Market Cap History
FAQ
What is the current market cap of ATO?
As of today, ATO market cap is $29B
What market cap category does ATO fall into?
Based on its current market cap, ATO falls into the Large Cap category
What is ATO market cap today change?
ATO market cap is up +1.02% today
What is 1-year change in ATO market cap?
ATO market cap is up +22.42% year-over-year
How far is ATO market cap from its all-time high?
ATO market cap is currently -0.68% below its historical high of $29B set on October 15, 2025
How does ATO market cap rank versus sector peers?
ATO market cap is higher than 82.41% of companies in Utilities sector
Market Cap Formula
Market Cap = Price × Shares Outstanding
Data Sources & References
- ATO Official Website www.atmosenergy.com
- Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/731802/000073180226000013/0000731802-26-000013-index.htm
- Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/731802/000073180225000056/0000731802-25-000056-index.htm
- ATO Profile on Yahoo Finance finance.yahoo.com/quote/ATO
- ATO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ato