SPY vs WDC: SPDR S&P 500 ETF Trust vs Western Digital Corporation Historical Returns & Investment Comparison

This SPY vs WDC comparison analyzes the historical stock performance of SPDR S&P 500 ETF Trust and Western Digital Corporation 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 Western Digital Corporation have historically performed against each other.

Compare Stock Performance

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Performance Summary

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

Head-to-Head Record

18
SPY Wins
0
Ties
15
WDC Wins

Over the 33-year comparison period, SPDR S&P 500 ETF Trust outperformed Western Digital Corporation in 18 years, while Western Digital Corporation outperformed SPDR S&P 500 ETF Trust in 15 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%)

WDC - Western Digital Corporation

Average Annual Return:+32.49%
Best Year:+269.49% (2025)
Worst Year:-72.20% (1999)
Win Rate:57.5% (23/40 years)
Total Value:$401,696.02
Total Gain:+$391,696.02 (+3916.96%)

Overall Winner: WDC with an average annual return of 32.49% (vs 11.71% for SPY)

Understanding SPY vs WDC Performance

When comparing SPDR S&P 500 ETF Trust and Western Digital Corporation, 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 $401,696 for Western Digital Corporation over the same period.

Year-by-Year Comparison

YearSPY ReturnSPY CumulativeWDC ReturnWDC CumulativeDifferenceWinner
1993 (Start)-$10,000.00-$10,000.00-Initial Investment
1994+8.71%$10,870.91+7.35%$7,441.42+1.36% (SPY)SPY
1995+0.67%$10,943.47+91.43%$14,245.01-90.76% (WDC)WDC
1996+37.39%$15,035.16+5.93%$15,089.16+31.46% (SPY)SPY
1997+21.20%$18,223.19+213.79%$47,348.76-192.59% (WDC)WDC
1998+33.14%$24,261.81-41.69%$27,611.13+74.82% (SPY)SPY
1999+28.03%$31,063.11-12.68%$24,109.71+40.71% (SPY)SPY
2000+20.66%$37,482.18-72.20%$6,702.70+92.86% (SPY)SPY
2001-8.85%$34,165.23-38.10%$4,149.29+29.25% (SPY)SPY
2002-10.13%$30,703.75+171.14%$11,250.19-181.27% (WDC)WDC
2003-22.42%$23,820.14+4.07%$11,708.27-26.49% (WDC)WDC
2004+24.18%$29,580.86+71.62%$20,093.23-47.43% (WDC)WDC
2005+10.75%$32,760.13-11.58%$17,765.95+22.33% (SPY)SPY
2006+5.32%$34,504.59+73.28%$30,784.39-67.95% (WDC)WDC
2007+13.84%$39,281.03+7.57%$33,115.07+6.27% (SPY)SPY
2008+5.33%$41,375.53+47.80%$48,943.54-42.47% (WDC)WDC
2009-36.24%$26,382.38-59.97%$19,594.53+23.73% (SPY)SPY
2010+22.65%$32,359.23+258.07%$70,162.04-235.41% (WDC)WDC
2011+13.14%$36,610.39-25.10%$52,551.78+38.24% (SPY)SPY
2012+0.85%$36,922.44-9.34%$47,641.42+10.20% (SPY)SPY
2013+14.17%$42,154.69+38.93%$66,189.87-24.76% (WDC)WDC
2014+29.00%$54,380.19+96.43%$130,019.28-67.43% (WDC)WDC
2015+14.56%$62,298.86+35.97%$176,789.63-21.41% (WDC)WDC
2016+1.29%$63,101.60-44.13%$98,773.61+45.42% (SPY)SPY
2017+13.59%$71,674.43+16.80%$115,364.55-3.21% (WDC)WDC
2018+20.78%$86,569.38+17.27%$135,293.10+3.51% (SPY)SPY
2019-5.25%$82,026.91-53.00%$63,592.79+47.75% (SPY)SPY
2020+31.09%$107,527.02+71.17%$108,851.33-40.08% (WDC)WDC
2021+17.24%$126,059.55-14.48%$93,085.26+31.72% (SPY)SPY
2022+30.51%$164,514.60+24.85%$116,218.46+5.65% (SPY)SPY
2023-18.65%$133,838.54-52.15%$55,614.93+33.50% (SPY)SPY
2024+26.71%$169,585.78+66.73%$92,726.95-40.02% (WDC)WDC
2025+25.59%$212,981.61+17.24%$108,716.24+8.35% (SPY)SPY
2026+17.66%$250,597.02+269.49%$401,696.02-251.83% (WDC)WDC

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

Western Digital Corporation

WDC

Western Digital is a leading developer and manufacturer of data storage devices and solutions. It offers a broad portfolio of technologies, including flash and hard disk drives.

Key Innovations

  • 3D NAND technology
  • Helium-filled hard drives

Business Segments

  • Flash
    NAND flash memory products (SanDisk brand).
  • HDD
    Hard disk drives.

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.