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

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

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Performance Summary

$10,000 invested from 2001 to 2025 (25 years)

Head-to-Head Record

13
ALGN Wins
0
Ties
12
SPY Wins

Over the 25-year comparison period, Align Technology, Inc. outperformed SPDR S&P 500 ETF Trust in 13 years, while SPDR S&P 500 ETF Trust outperformed Align Technology, Inc. in 12 years.

ALGN - Align Technology, Inc.

Average Annual Return:+36.68%
Best Year:+504.76% (2003)
Worst Year:-73.33% (2001)
Win Rate:60.0% (15/25 years)
Total Value:$103,483.20
Total Gain:+$93,483.20 (+934.83%)

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%)

Overall Winner: ALGN with an average annual return of 36.68% (vs 11.71% for SPY)

Understanding ALGN vs SPY Performance

When comparing Align Technology, Inc. and SPDR S&P 500 ETF Trust, 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 Align Technology, Inc. grew to $103,483, compared to $250,597 for SPDR S&P 500 ETF Trust over the same period.

Year-by-Year Comparison

YearALGN ReturnALGN CumulativeSPY ReturnSPY CumulativeDifferenceWinner
2001 (Start)-$10,000.00-$10,000.00-Initial Investment
2002-73.33%$2,666.67-10.13%$30,703.75-63.20% (SPY)SPY
2003-35.81%$1,711.63-22.42%$23,820.14-13.39% (SPY)SPY
2004+504.76%$10,351.27+24.18%$29,580.86+480.58% (ALGN)ALGN
2005-35.59%$6,667.24+10.75%$32,760.13-46.34% (SPY)SPY
2006-38.73%$4,084.94+5.32%$34,504.59-44.06% (SPY)SPY
2007+122.45%$9,087.05+13.84%$39,281.03+108.61% (ALGN)ALGN
2008+24.94%$11,353.71+5.33%$41,375.53+19.61% (ALGN)ALGN
2009-46.87%$6,031.87-36.24%$26,382.38-10.64% (SPY)SPY
2010+100.45%$12,090.89+22.65%$32,359.23+77.80% (ALGN)ALGN
2011+5.62%$12,770.59+13.14%$36,610.39-7.52% (SPY)SPY
2012+19.43%$15,251.44+0.85%$36,922.44+18.57% (ALGN)ALGN
2013+15.87%$17,671.29+14.17%$42,154.69+1.70% (ALGN)ALGN
2014+101.20%$35,554.14+29.00%$54,380.19+72.20% (ALGN)ALGN
2015-1.84%$34,898.74+14.56%$62,298.86-16.41% (SPY)SPY
2016+17.17%$40,891.13+1.29%$63,101.60+15.88% (ALGN)ALGN
2017+49.57%$61,161.74+13.59%$71,674.43+35.99% (ALGN)ALGN
2018+129.16%$140,156.00+20.78%$86,569.38+108.37% (ALGN)ALGN
2019-6.76%$130,677.91-5.25%$82,026.91-1.52% (SPY)SPY
2020+38.06%$180,409.49+31.09%$107,527.02+6.97% (ALGN)ALGN
2021+88.37%$339,844.98+17.24%$126,059.55+71.14% (ALGN)ALGN
2022+24.83%$424,228.46+30.51%$164,514.60-5.68% (SPY)SPY
2023-67.46%$138,060.00-18.65%$133,838.54-48.81% (SPY)SPY
2024+29.07%$178,200.68+26.71%$169,585.78+2.37% (ALGN)ALGN
2025-22.46%$138,169.79+25.59%$212,981.61-48.05% (SPY)SPY
2026-25.10%$103,483.20+17.66%$250,597.02-42.77% (SPY)SPY

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

Company Profiles

1

Align Technology, Inc.

ALGN

Align Technology designs, manufactures and markets the Invisalign system, the world's most advanced clear aligner system, and iTero intraoral scanners and services. The company's products help dental professionals achieve the clinical results they expect and deliver effective, cutting-edge dental options to their patients.

Key Innovations

  • The Invisalign system, which revolutionized the orthodontics market with a clear, removable alternative to traditional braces.
  • The iTero intraoral scanner, which creates fast, accurate 3D digital impressions of a patient's teeth.

Business Segments

  • Clear Aligner
    Consists of the Invisalign system, which includes a series of clear, removable aligners that gently and gradually move teeth.
  • Imaging Systems and CAD/CAM Services
    Consists of the iTero intraoral scanning systems and other services.
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.