TotalMarketCap

American Electric Power

AEPNasdaq United StatesUtilitiesElectric Utilities: Central

Market cap

$66.237 B

$121.67 +1.62%

Close of 7 Oct 2026

As of 7 Oct 2026, American Electric Power (AEP) has a market capitalization of $66.2B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$21.9B

#205 by revenue

Earnings

—

Not reported

Shares outstanding

544,104,955

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Electric Utilities: Central, ranked by market cap

All 61 →
  1. #2Constellation EnergyCEG$106.4B
  2. #3SouthernSO$98.3B
  3. #4American Electric PowerAEP$66.2B
  4. #5Dominion EnergyD$54.5B
  5. #6VistraVST$53.9B

What if American Electric Power were worth as much as…

Open the what-if tool →

Gold $28.8T

$52,883.13

Per share 435× higher

Bitcoin $1.67T

$3,068.07

Per share 25.2× higher

Nvidia $5.77T

$10,590.95

Per share 87.0× higher

Or at a round number

$100.0B$200.0B$500.0B$1.00T

Where these numbers come from

Share counts and financials for American Electric Power are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 8 Oct 2026. Read the methodology.