Market Capitalization & Enterprise Value
Research-grade valuation history for ATO. Track market capitalization versus enterprise value to see the impact of net debt and share changes. Use the interactive chart to explore different horizons; the table updates accordingly to support auditability and export.
Market Cap & Enterprise Value
Comparison of market capitalization and enterprise value over time
Market Cap
Market Capitalization = Stock Price × Number of Shares Outstanding. Represents the total value of a company's equity.
21.15B
431.7x increase over period
CAGR: +16.82%
Compound Annual Growth Rate - The mean annual growth rate over time, accounting for compounding effects.
Enterprise Value
Enterprise Value = Market Cap + Total Debt - Cash and Cash Equivalents. Represents the total value of a company including its debt.
28.98B
591.4x increase over period
CAGR: +17.77%
Compound Annual Growth Rate - The mean annual growth rate over time, accounting for compounding effects.
Market Cap History
Enterprise Value Data
| Date | Market Cap | Enterprise Value | Stock Price | Shares |
|---|---|---|---|---|
| Sep 30, 2024 | 21.15B | 28.98B | $138.71 | 152.51M |
| Sep 30, 2023 | 15.37B | 22.48B | $105.93 | 145.12M |
| Sep 30, 2022 | 14.04B | 22.36B | $101.85 | 137.83M |
| Sep 30, 2021 | 11.45B | 18.89B | $88.20 | 129.78M |
| Sep 30, 2020 | 11.74B | 16.49B | $95.59 | 122.79M |
| Sep 30, 2019 | 13.35B | 17.32B | $113.89 | 117.20M |
| Sep 30, 2018 | 10.30B | 13.93B | $92.75 | 111.01M |
| Sep 30, 2017 | 8.90B | 12.38B | $83.84 | 106.10M |
| Sep 30, 2016 | 7.71B | 10.93B | $74.47 | 103.52M |
| Sep 30, 2015 | 5.93B | 8.79B | $58.18 | 101.89M |
| Sep 30, 2014 | 4.66B | 7.27B | $47.70 | 97.61M |
| Sep 30, 2013 | 3.86B | 6.61B | $42.59 | 90.53M |
| Sep 30, 2012 | 3.18B | 5.65B | $35.31 | 90.15M |
| Sep 30, 2011 | 2.93B | 5.21B | $32.45 | 90.20M |
| Sep 30, 2010 | 2.69B | 4.85B | $29.25 | 91.85M |
| Sep 30, 2009 | 2.57B | 4.70B | $28.18 | 91.12M |
| Sep 30, 2008 | 2.38B | 4.80B | $26.62 | 89.39M |
| Sep 30, 2007 | 2.52B | 4.74B | $28.92 | 86.97M |
| Sep 30, 2006 | 2.30B | 4.76B | $28.55 | 80.73M |
| Sep 30, 2005 | 2.20B | 4.41B | $28.25 | 78.01M |
| Sep 30, 2004 | 1.30B | 1.97B | $25.19 | 51.79M |
| Sep 30, 2003 | 1.07B | 2.04B | $23.94 | 44.68M |
| Sep 30, 2002 | 882.55M | 1.67B | $21.50 | 41.05M |
| Sep 30, 2001 | 815.01M | 1.71B | $21.36 | 38.16M |
| Sep 30, 2000 | 647.02M | 1.27B | $20.63 | 31.36M |
| Sep 30, 1999 | 737.56M | 1.29B | $24.13 | 30.57M |
| Sep 30, 1998 | 851.72M | 1.37B | $28.56 | 29.82M |
| Sep 30, 1997 | 731.04M | 1.21B | $24.88 | 29.38M |
| Sep 30, 1996 | 370.63M | 780.93M | $23.38 | 15.85M |
| Sep 30, 1995 | 298.71M | 468.21M | $19.38 | 15.41M |
| Sep 30, 1994 | 269.71M | 427.31M | $17.75 | 15.20M |
| Sep 30, 1993 | 220.12M | 220.12M | $20.33 | 10.83M |
| Sep 30, 1992 | 153.81M | 153.81M | $14.92 | 10.31M |
| Sep 30, 1991 | 138.25M | 138.25M | $14.00 | 9.88M |
| Sep 30, 1990 | 104.05M | 104.05M | $11.33 | 9.18M |
| Sep 30, 1989 | 100.84M | 100.84M | $11.08 | 9.10M |
| Sep 30, 1988 | 74.97M | 74.97M | $10.75 | 6.97M |
| Sep 30, 1987 | 56.76M | 56.76M | $9.25 | 6.14M |
| Sep 30, 1986 | 62.14M | 62.14M | $10.58 | 5.87M |
| Sep 30, 1985 | 49.00M | 49.00M | $8.75 | 5.60M |
Enterprise Value Analysis
Price Change (Sep 2023 to Sep 2024)
The stock price has increased from Sep 2023 to Sep 2024.
+30.94%
Recent Volatility
The stock price has been relatively volatile over the last 5 periods, indicating a higher risk profile.
0.14
Risk-Adjusted Return
The stock offers a reasonable return for its level of risk.
0.75
Market Cap Change (Sep 2023 to Sep 2024)
The company's market capitalization has increased from Sep 2023 to Sep 2024.
+37.61%
Enterprise Value Change (Sep 2023 to Sep 2024)
The company's enterprise value has increased from Sep 2023 to Sep 2024, suggesting growth in the company's total economic value.
+28.90%
Market Cap vs. Enterprise Value
A lower enterprise value growth rate compared to market cap growth could suggest that the company is reducing debt or increasing cash reserves.
Market Cap Growth > EV Growth
Market Cap CAGR
The Compound Annual Growth Rate (CAGR) of market capitalization represents the mean annual growth rate over the entire available history (40 periods), accounting for compounding effects.
16.82%
Enterprise Value CAGR
The Compound Annual Growth Rate (CAGR) of enterprise value represents the mean annual growth rate over the entire available history (40 periods), accounting for compounding effects.
17.77%