Southern (SO) Market Cap 1985–2026

As of October 29, 2026, Southern had a market cap of $106.97 billion, which increased by 1.61% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET
Southern logo

Southern Co. (SO)

🌍 United States 📈 NYSE 🏭 Utilities 🏢 Electric Utilities
Latest Market Cap
$106.97B ▲ 1.61%
Start of 2026
$96.02B ▲ 11.40%
1 Year Ago
$104.58B ▲ 2.29%
All-Time High
$110.94B ▼ 3.58%


Loading data...


Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Southern Market Cap History by Year and Month

Southern Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$106.97B▲ 11.40%
$106.97B▲ 12.19%
$95.35B▼ 5.81%
$101.23B▼ 5.02%
$106.58B▼ 1.21%
$107.89B▲ 3.97%
$103.77B▼ 4.81%
$109.01B▲ 0.90%
$108.04B▲ 0.76%
$107.23B▲ 9.04%
$98.34B▲ 2.42%
2025$96.02B▲ 6.13%
2024$90.47B▲ 18.26%
2023$76.501B▼ 1.63%
2022$77.765B▲ 6.97%
All market cap values reflect closing prices for the period shown.

📊 Southern Market Cap and Other Industry Peers

Below are selected companies from the Electric Utilities sector / subsector:

  1. $172.25B
  2. $106.97B
  3. $98.2B
  4. $93.93B
  5. $70.43B
  6. $51.32B
  7. $49.35B
  8. $47.38B
  9. $29.14B
  10. $27.1B
  11. $26.81B
  12. $25.57B
  13. $22.85B
  14. $20.51B
  15. $19.69B
  16. $18.3B
  17. $12.92B
  18. $10.21B
  19. $8.06B
  20. $6.51B


Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.