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

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

Compare Stock Performance

Select two stocks and an investment amount to see how they compare over time.

Compare any two stocks to see which performed better historically

Performance Summary

$10,000 invested from 1993 to 2025 (33 years)

Head-to-Head Record

17
SPY Wins
0
Ties
16
UDR Wins

Over the 33-year comparison period, SPDR S&P 500 ETF Trust outperformed UDR, Inc. in 17 years, while UDR, Inc. outperformed SPDR S&P 500 ETF Trust in 16 years.

SPY - SPDR S&P 500 ETF Trust

Average Annual Return:+11.71%
Best Year:+37.39% (1995)
Worst Year:-36.24% (2008)
Win Rate:81.8% (27/33 years)
Total Value:$250,597.02
Total Gain:+$240,597.02 (+2405.97%)

UDR - UDR, Inc.

Average Annual Return:+12.68%
Best Year:+68.03% (2021)
Worst Year:-34.66% (2007)
Win Rate:77.5% (31/40 years)
Total Value:$527,551.53
Total Gain:+$517,551.53 (+5175.52%)

Overall Winner: UDR with an average annual return of 12.68% (vs 11.71% for SPY)

Understanding SPY vs UDR Performance

When comparing SPDR S&P 500 ETF Trust and UDR, Inc., investors should consider multiple factors beyond just total returns. Volatility, consistency of growth, dividend payments, and sector-specific risks all play crucial roles in determining which stock might be better suited for your investment strategy and risk tolerance.

Historical performance data shows how each stock responded to market downturns, economic expansions, and company-specific events. While past performance doesn't guarantee future results, understanding these patterns can help inform investment decisions and portfolio allocation strategies.

Cumulative Growth Comparison

A $10,000 investment in SPDR S&P 500 ETF Trust grew to $250,597, compared to $527,552 for UDR, Inc. over the same period.

Year-by-Year Comparison

YearSPY ReturnSPY CumulativeUDR ReturnUDR CumulativeDifferenceWinner
1993 (Start)-$10,000.00-$10,000.00-Initial Investment
1994+8.71%$10,870.91+14.19%$30,816.07-5.48% (UDR)UDR
1995+0.67%$10,943.47+13.62%$35,014.02-12.96% (UDR)UDR
1996+37.39%$15,035.16+11.98%$39,208.81+25.41% (SPY)SPY
1997+21.20%$18,223.19+10.27%$43,235.94+10.93% (SPY)SPY
1998+33.14%$24,261.81-4.50%$41,289.17+37.64% (SPY)SPY
1999+28.03%$31,063.11-20.66%$32,759.07+48.69% (SPY)SPY
2000+20.66%$37,482.18+0.54%$32,935.54+20.13% (SPY)SPY
2001-8.85%$34,165.23+20.53%$39,697.44-29.38% (UDR)UDR
2002-10.13%$30,703.75+45.02%$57,569.90-55.15% (UDR)UDR
2003-22.42%$23,820.14+21.32%$69,844.13-43.74% (UDR)UDR
2004+24.18%$29,580.86+27.23%$88,859.42-3.04% (UDR)UDR
2005+10.75%$32,760.13+37.01%$121,746.92-26.26% (UDR)UDR
2006+5.32%$34,504.59+0.74%$122,651.19+4.58% (SPY)SPY
2007+13.84%$39,281.03+38.90%$170,359.50-25.05% (UDR)UDR
2008+5.33%$41,375.53-34.66%$111,321.37+39.99% (SPY)SPY
2009-36.24%$26,382.38-19.36%$89,768.99-16.88% (UDR)UDR
2010+22.65%$32,359.23+31.65%$118,176.55-8.99% (UDR)UDR
2011+13.14%$36,610.39+50.92%$178,357.41-37.79% (UDR)UDR
2012+0.85%$36,922.44+8.65%$193,788.62-7.80% (UDR)UDR
2013+14.17%$42,154.69-2.32%$189,299.54+16.49% (SPY)SPY
2014+29.00%$54,380.19+1.38%$191,905.81+27.62% (SPY)SPY
2015+14.56%$62,298.86+37.68%$264,210.50-23.12% (UDR)UDR
2016+1.29%$63,101.60+23.78%$327,046.33-22.49% (UDR)UDR
2017+13.59%$71,674.43+1.88%$333,181.46+11.71% (SPY)SPY
2018+20.78%$86,569.38+10.71%$368,877.30+10.07% (SPY)SPY
2019-5.25%$82,026.91+7.69%$397,257.37-12.94% (UDR)UDR
2020+31.09%$107,527.02+25.38%$498,070.83+5.71% (SPY)SPY
2021+17.24%$126,059.55-13.46%$431,013.65+30.70% (SPY)SPY
2022+30.51%$164,514.60+68.03%$724,245.38-37.53% (UDR)UDR
2023-18.65%$133,838.54-33.34%$482,808.99+14.69% (SPY)SPY
2024+26.71%$169,585.78+3.49%$499,665.64+23.22% (SPY)SPY
2025+25.59%$212,981.61+17.22%$585,687.57+8.37% (SPY)SPY
2026+17.66%$250,597.02-9.93%$527,551.53+27.59% (SPY)SPY

Annual returns include dividends and stock splits. Cumulative values show growth of $10,000 invested from the first year. Positive difference means SPY outperformed UDR that year.

Company Profiles

1

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.
2

UDR, Inc.

UDR

UDR, Inc. is a leading multifamily real estate investment trust (REIT) that manages, buys, sells, develops and redevelops attractive real estate communities in targeted U.S. markets.

Key Innovations

  • SmartHome technology implementation in apartments

Business Segments

  • Same-Store Communities
    Stabilized apartments in core markets.

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

Share This Comparison

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.