What VOO and QQQ are
VOO tracks the S&P 500, which represents large U.S. companies across sectors. QQQ tracks the Nasdaq 100, which often has heavier technology and growth-company exposure.
Calculator Guide
VOO vs QQQ
VOO and QQQ are popular U.S.-listed ETFs, but they follow different indexes. VOO is broader large-cap U.S. exposure, while QQQ is more concentrated in Nasdaq 100 companies.
Key differences
VOO is usually more diversified by sector. QQQ can have higher concentration, higher volatility, different dividend yield, and stronger sensitivity to technology valuation cycles.
DCA backtest explanation
Use the same monthly amount and period to compare how VOO and QQQ accumulated value over time. Different start years can produce very different conclusions.
Risk and limitations
Past Nasdaq 100 strength does not guarantee future outperformance. Fees, taxes, dividends, valuation cycles, drawdowns, and market leadership changes can affect results.
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Use the interactive DCA Backtest and Compound Interest Calculator to model your own monthly investment scenario.
Open the main calculatorDCA and Compound Interest FAQ
Is QQQ more concentrated than VOO?
Generally yes. QQQ tracks the Nasdaq 100 and often has heavier technology exposure, while VOO tracks the broader S&P 500.
Can VOO and QQQ perform very differently?
Yes. Sector weights, valuation cycles, volatility, and index rules can create large differences across selected periods.
Should I choose based only on the backtest?
No. A backtest is educational. Diversification, fees, taxes, risk tolerance, and investment goals also matter.
Educational disclaimer
This page is for educational purposes only and is not financial advice. Past performance does not guarantee future results.