American Electric Power AEP Market capitalization
Market capitalization at other companies
Other financials
Where this comes from
Computed from the period-end share price: $71.25B.
The official record: American Electric Power’s 10-Q, filed May 5, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is American Electric Power's market capitalization?
- American Electric Power (AEP) reported market capitalization of $71.25B in Q1 2026.
- How has American Electric Power's market capitalization changed year-over-year?
- American Electric Power's market capitalization increased by 22.1% year-over-year, from $58.35B to $71.25B.
- What does market capitalization mean?
- What the stock market says the company's equity is worth.
- How do you interpret market capitalization?
- A size and market-sentiment gauge, not a quality measure — interpret through valuation ratios (P/E, P/S) that relate it to fundamentals.
- How does market capitalization compare across companies?
- Comparable across companies as a size class; the input to every equity-price valuation multiple.