AFL vs SPY: Aflac Inc. vs SPDR S&P 500 ETF Trust Historical Returns & Investment Comparison

This AFL vs SPY comparison analyzes the historical stock performance of Aflac 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 Aflac Inc. and SPDR S&P 500 ETF Trust have historically performed against each other.

Company Profiles

1

Aflac Inc.

AFL

Aflac Inc. is a Fortune 500 company providing financial protection to more than 50 million people worldwide. When a policyholder or insured gets sick or hurt, Aflac pays cash benefits fast. For more than six decades, Aflac insurance policies have given policyholders the opportunity to focus on recovery, not financial stress.

Key Innovations

  • Pioneered the concept of cancer insurance.
  • Developed the worksite marketing model for selling insurance policies via payroll deduction.

Business Segments

  • Aflac U.S.
    Provides supplemental health and life insurance products in the United States.
  • Aflac Japan
    Provides supplemental medical and cancer insurance products in Japan, and is the largest insurer in Japan in terms of individual policies in force.
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.