KLAC vs SPY: KLA Corporation vs SPDR S&P 500 ETF Trust Historical Returns & Investment Comparison

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

Compare Stock Performance

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

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Performance Summary

$10,000 invested from 1986 to 2025 (40 years)

Head-to-Head Record

20
KLAC Wins
0
Ties
13
SPY Wins

Over the 33-year comparison period, KLA Corporation outperformed SPDR S&P 500 ETF Trust in 20 years, while SPDR S&P 500 ETF Trust outperformed KLA Corporation in 13 years.

KLAC - KLA Corporation

Average Annual Return:+22.95%
Best Year:+143.44% (1999)
Worst Year:-52.21% (2008)
Win Rate:70.0% (28/40 years)
Total Value:$3,292,685.04
Total Gain:+$3,282,685.04 (+32826.85%)

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: KLAC with an average annual return of 22.95% (vs 11.71% for SPY)

Understanding KLAC vs SPY Performance

When comparing KLA Corporation 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 KLA Corporation grew to $3,292,685, compared to $250,597 for SPDR S&P 500 ETF Trust over the same period.

Year-by-Year Comparison

YearKLAC ReturnKLAC CumulativeSPY ReturnSPY CumulativeDifferenceWinner
1986 (Start)-$10,000.00-$10,000.00-Initial Investment
1987-38.76%$6,123.60---Tie
1988+1.85%$6,236.99---Tie
1989-17.54%$5,142.78---Tie
1990-24.73%$3,870.91---Tie
1991-2.78%$3,763.39---Tie
1992+21.92%$4,588.24---Tie
1993+10.11%$5,052.22---Tie
1994+131.25%$11,683.26+8.71%$10,870.91+122.54% (KLAC)KLAC
1995+76.58%$20,629.92+0.67%$10,943.47+75.91% (KLAC)KLAC
1996+8.59%$22,402.80+37.39%$15,035.16-28.80% (SPY)SPY
1997+33.96%$30,011.29+21.20%$18,223.19+12.76% (KLAC)KLAC
1998+12.98%$33,906.72+33.14%$24,261.81-20.16% (SPY)SPY
1999+7.10%$36,313.71+28.03%$31,063.11-20.93% (SPY)SPY
2000+143.44%$88,403.05+20.66%$37,482.18+122.78% (KLAC)KLAC
2001-37.90%$54,895.44-8.85%$34,165.23-29.05% (SPY)SPY
2002+45.23%$79,725.06-10.13%$30,703.75+55.36% (KLAC)KLAC
2003-32.37%$53,917.30-22.42%$23,820.14-9.95% (SPY)SPY
2004+56.69%$84,483.91+24.18%$29,580.86+32.51% (KLAC)KLAC
2005-17.47%$69,724.68+10.75%$32,760.13-28.22% (SPY)SPY
2006+9.76%$76,527.19+5.32%$34,504.59+4.43% (KLAC)KLAC
2007-0.86%$75,872.77+13.84%$39,281.03-14.70% (SPY)SPY
2008-0.68%$75,354.31+5.33%$41,375.53-6.02% (SPY)SPY
2009-52.21%$36,012.51-36.24%$26,382.38-15.97% (SPY)SPY
2010+64.70%$59,313.65+22.65%$32,359.23+42.05% (KLAC)KLAC
2011+7.29%$63,638.66+13.14%$36,610.39-5.85% (SPY)SPY
2012+28.06%$81,497.71+0.85%$36,922.44+27.21% (KLAC)KLAC
2013+3.76%$84,564.01+14.17%$42,154.69-10.41% (SPY)SPY
2014+33.88%$113,213.24+29.00%$54,380.19+4.88% (KLAC)KLAC
2015+41.84%$160,576.01+14.56%$62,298.86+27.27% (KLAC)KLAC
2016+2.07%$163,905.73+1.29%$63,101.60+0.79% (KLAC)KLAC
2017+18.07%$193,523.51+13.59%$71,674.43+4.48% (KLAC)KLAC
2018+35.55%$262,315.71+20.78%$86,569.38+14.77% (KLAC)KLAC
2019-13.36%$227,260.96-5.25%$82,026.91-8.12% (SPY)SPY
2020+100.80%$456,343.41+31.09%$107,527.02+69.71% (KLAC)KLAC
2021+44.38%$658,853.23+17.24%$126,059.55+27.14% (KLAC)KLAC
2022+67.13%$1,101,144.88+30.51%$164,514.60+36.63% (KLAC)KLAC
2023-12.21%$966,640.59-18.65%$133,838.54+6.43% (KLAC)KLAC
2024+56.25%$1,510,359.78+26.71%$169,585.78+29.54% (KLAC)KLAC
2025+13.44%$1,713,394.39+25.59%$212,981.61-12.15% (SPY)SPY
2026+92.17%$3,292,685.04+17.66%$250,597.02+74.51% (KLAC)KLAC

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

Company Profiles

1

KLA Corporation

KLAC

KLA Corporation is a leading provider of process control and yield management solutions for the semiconductor and related nanoelectronics industries. The company's comprehensive portfolio of products, software, and services helps integrated circuit manufacturers manage yield throughout the entire fabrication process.

Key Innovations

  • Broadband Plasma Inspection Technology
  • Laser Scattering Inspection
  • E-Beam Metrology Systems

Business Segments

  • Semiconductor Process Control
    Develops and sells inspection and metrology tools for chip manufacturing.
  • Specialty Semiconductor Process
    Provides advanced vacuum deposition and etching process tools.
  • PCB, Display and Component Inspection
    Offers inspection, testing, and measurement systems for PCBs, flat panel displays, and IC substrates.
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.