AEP vs SPY: American Electric Power Company, Inc. vs SPDR S&P 500 ETF Trust Historical Returns & Investment Comparison

This AEP vs SPY comparison analyzes the historical stock performance of American Electric Power Company, Inc. and SPDR S&P 500 ETF Trust side-by-side. Using real, adjusted market data, this tool shows how identical investments in both stocks would have performed over time—highlighting differences in returns, volatility, and consistency across market cycles.

Use the interactive calculator below to adjust the investment amount and time period, visualizing how American Electric Power Company, Inc. and SPDR S&P 500 ETF Trust have historically performed against each other.

Company Profiles

1

American Electric Power Company, Inc.

AEP

American Electric Power is one of the largest electric utilities in the U.S., serving over 5 million customers in 11 states. The company's diverse generating fleet of nearly 38,000 megawatts includes more than 4,500 megawatts of renewable energy. AEP is also one of the nation's largest electricity producers and owns the nation's largest electricity transmission system.

Key Innovations

  • Pioneered the use of 345,000-volt and 765,000-volt transmission lines.
  • Development of advanced technologies for a smarter, more resilient energy grid.

Business Segments

  • Vertically Integrated Utilities
    This segment includes the generation, transmission, and distribution of electricity for sale to retail and wholesale customers.
  • Transmission and Distribution Utilities
    This segment includes the transmission and distribution of electricity to retail and wholesale customers.
  • AEP Transmission Holdco
    This segment includes the development, construction and operation of transmission facilities.
2

SPDR S&P 500 ETF Trust

SPY

SPY is the first exchange-traded fund (ETF) listed in the US. It is designed to track the S&P 500 Index, which measures the performance of the large-cap segment of the US equity market.

Key Innovations

  • First US-listed ETF

Business Segments

  • ETF
    Passive investment vehicle tracking the S&P 500.

How This Comparison Works

Our stock comparison tool uses adjusted closing prices to calculate year-by-year returns for both stocks. This ensures an apples-to-apples comparison that accounts for:

  • Dividends: All dividend payments are reinvested
  • Stock splits: Historical prices are adjusted for all splits
  • Head-to-head record: Shows which stock outperformed each year
  • Statistical analysis: Average returns, best/worst years, and win rates

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Important Disclaimer

This comparison tool is for educational and informational purposes only and does not constitute financial, investment, or trading advice. Past performance is not indicative of future results. Historical returns include dividends and stock splits but do not account for taxes, fees, inflation, or individual circumstances. Stock market investments carry risk, including the potential loss of principal. Always consult with a qualified financial advisor before making investment decisions. The data presented is based on historical market data and may contain inaccuracies or delays.