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

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

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Performance Summary

$10,000 invested from 1998 to 2025 (28 years)

Head-to-Head Record

18
PWR Wins
0
Ties
10
SPY Wins

Over the 28-year comparison period, Quanta Services, Inc. outperformed SPDR S&P 500 ETF Trust in 18 years, while SPDR S&P 500 ETF Trust outperformed Quanta Services, Inc. in 10 years.

PWR - Quanta Services, Inc.

Average Annual Return:+25.29%
Best Year:+96.11% (1998)
Worst Year:-78.21% (2002)
Win Rate:71.4% (20/28 years)
Total Value:$581,611.84
Total Gain:+$571,611.84 (+5716.12%)

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: PWR with an average annual return of 25.29% (vs 11.71% for SPY)

Understanding PWR vs SPY Performance

When comparing Quanta Services, 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 Quanta Services, Inc. grew to $581,612, compared to $250,597 for SPDR S&P 500 ETF Trust over the same period.

Year-by-Year Comparison

YearPWR ReturnPWR CumulativeSPY ReturnSPY CumulativeDifferenceWinner
1998 (Start)-$10,000.00-$10,000.00-Initial Investment
1999+96.11%$19,611.12+28.03%$31,063.11+68.08% (PWR)PWR
2000+28.05%$25,111.11+20.66%$37,482.18+7.38% (PWR)PWR
2001+71.29%$43,011.81-8.85%$34,165.23+80.14% (PWR)PWR
2002-47.58%$22,545.14-10.13%$30,703.75-37.45% (SPY)SPY
2003-78.21%$4,913.32-22.42%$23,820.14-55.79% (SPY)SPY
2004+94.67%$9,564.61+24.18%$29,580.86+70.48% (PWR)PWR
2005+9.89%$10,510.56+10.75%$32,760.13-0.86% (SPY)SPY
2006+63.40%$17,174.20+5.32%$34,504.59+58.07% (PWR)PWR
2007+47.12%$25,266.76+13.84%$39,281.03+33.28% (PWR)PWR
2008+36.95%$34,603.33+5.33%$41,375.53+31.62% (PWR)PWR
2009-23.79%$26,372.04-36.24%$26,382.38+12.45% (PWR)PWR
2010-0.38%$26,271.20+22.65%$32,359.23-23.04% (SPY)SPY
2011-6.21%$24,638.52+13.14%$36,610.39-19.35% (SPY)SPY
2012+7.49%$26,482.72+0.85%$36,922.44+6.63% (PWR)PWR
2013+26.58%$33,521.04+14.17%$42,154.69+12.41% (PWR)PWR
2014+13.08%$37,904.83+29.00%$54,380.19-15.92% (SPY)SPY
2015-9.27%$34,391.76+14.56%$62,298.86-23.83% (SPY)SPY
2016-28.57%$24,565.54+1.29%$63,101.60-29.86% (SPY)SPY
2017+71.59%$42,152.08+13.59%$71,674.43+58.00% (PWR)PWR
2018+12.03%$47,223.36+20.78%$86,569.38-8.75% (SPY)SPY
2019-23.19%$36,272.17-5.25%$82,026.91-17.94% (SPY)SPY
2020+36.66%$49,569.08+31.09%$107,527.02+5.57% (PWR)PWR
2021+76.10%$87,290.46+17.24%$126,059.55+58.86% (PWR)PWR
2022+68.31%$146,919.95+30.51%$164,514.60+37.81% (PWR)PWR
2023+27.21%$186,894.65-18.65%$133,838.54+45.85% (PWR)PWR
2024+53.74%$287,337.48+26.71%$169,585.78+27.03% (PWR)PWR
2025+51.18%$434,384.76+25.59%$212,981.61+25.59% (PWR)PWR
2026+33.89%$581,611.84+17.66%$250,597.02+16.23% (PWR)PWR

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

Company Profiles

1

Quanta Services, Inc.

PWR

Quanta Services is a leading specialized contracting services company, delivering comprehensive infrastructure solutions for the utility, communications, pipeline, and energy industries.

Key Innovations

  • Energized line work methods
  • Comprehensive infrastructure solutions

Business Segments

  • Electric Power Infrastructure
    Transmission and distribution services.
  • Underground Utility and Infrastructure
    Pipeline and industrial services.
  • Renewable Energy Infrastructure
    Solar, wind, and battery storage solutions.
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.