AOS vs SPY: A. O. Smith Corporation vs SPDR S&P 500 ETF Trust Historical Returns & Investment Comparison
This AOS vs SPY comparison analyzes the historical stock performance of A. O. Smith Corporation 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 A. O. Smith Corporation and SPDR S&P 500 ETF Trust have historically performed against each other.
Company Profiles
A. O. Smith Corporation
AOS
A. O. Smith Corporation is one of the world's leading manufacturers of residential and commercial water heaters and boilers, offering a comprehensive product line featuring the best-known brands in North America, China, and India.
Key Innovations
- ✓The development of the glass-lined water heater, which became the standard for the industry.
- ✓Pioneering work in the development of high-efficiency water heating products.
Business Segments
- North AmericaManufactures and markets a comprehensive line of residential and commercial water heaters, boilers, and water treatment products in North America.
- Rest of WorldManufactures and markets a variety of water heaters and boilers, as well as water treatment products, for the residential and commercial markets in China, India, and Europe.
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
- ETFPassive 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.