GIS vs SPY: General Mills Inc. vs SPDR S&P 500 ETF Trust Historical Returns & Investment Comparison

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

Company Profiles

1

General Mills Inc.

GIS

General Mills Inc. is a leading global food company that manufactures and markets branded consumer foods worldwide. Its portfolio of well-known brands includes Cheerios, Betty Crocker, Pillsbury, Yoplait, Nature Valley, Häagen-Dazs, and many others. General Mills operates in retail channels, foodservice, and through its organic and natural foods business. The company is committed to making food with passion, providing nourishing and delicious products that meet the evolving tastes and preferences of consumers.

Key Innovations

  • Pioneered many iconic food brands that have become staples in households worldwide, constantly innovating to meet consumer demands for taste, convenience, and health.
  • Actively investing in sustainable sourcing, production, and packaging to reduce its environmental footprint and promote responsible business practices.

Business Segments

  • North America Retail
    Includes sales of branded food products to retail customers in the United States and Canada.
  • International
    Comprises sales of branded food products to retail and foodservice customers outside of North America.
  • Pet Food
    Manufactures and markets premium pet food products under brands like Blue Buffalo.
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.