Best Index Fund
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Rankings use category fit, feature coverage, pricing signals, public reception, and recency. Affiliate relationships do not affect scores.
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VTI provides unparalleled exposure to the entire U.S. stock market, encompassing large, mid, and small-cap companies. Its extremely low expense ratio and high liquidity make it a cornerstone for many investors' portfolios. VTIs broad diversification minimizes risk and offers a simple, cost-effective...
Global Index Funds offer instant, broad diversification across thousands of stocks worldwide, tracking major indices like the MSCI World. They are the backbone of modern, low-effort investing, requiring minimal management. By capturing global market growth, they mitigate single-country risk while ma...
The Schwab Total Stock Market Index Fund (SWTSX) provides even broader U.S. equity exposure than the S&P 500, including small- and mid-cap companies. It tracks the Dow Jones U.S. Total Stock Market Index, offering a more comprehensive view of the U.S. stock market. SWTSX is a mutual fund, making it...
IEFA offers exposure to developed markets outside of North America, including Europe, Australasia, and the Far East. It provides a geographically diversified portfolio, reducing reliance on the U.S. economy. The ETF's low expense ratio and broad coverage make it a popular choice for investors seeki...
The Vanguard S&P 500 ETF (VOO) is the gold standard for S&P 500 tracking. It boasts an incredibly low expense ratio, exceptional tracking accuracy, and massive fund size, ensuring high liquidity. VOO replicates the performance of the S&P 500 index, providing broad exposure to the largest 500 publicl...
This fund provides broad, low-cost exposure to the 500 largest U.S. companies, mirroring the performance of the S&P 500 index. It is a foundational building block for nearly any long-term portfolio due to its unparalleled diversification and minimal expense ratio. It requires minimal management effo...
The iShares Core S&P Total U.S. Stock Market ETF (IVV) is an exchange-traded fund that tracks the performance of the S&P Total U.S. Stock Market Index, providing broad exposure to nearly all publicly traded companies in the United States.
Why this score
ITOT is a highly regarded, low-cost total US market ETF with broad diversification, strong liquidity, and excellent tracking.
Scoring methodologyThe iShares Core S&P 500 ETF (IVV) is an exchange-traded fund that tracks the performance of the S&P 500 Index, representing approximately 80% of the total U.S. equity market capitalization and holding stocks of 500 large companies.
Why this score
Best-in-class S&P 500 tracker with minimal fees, enormous liquidity, tight spreads, and excellent tracking; concentration remains the index's main weakness.
Scoring methodologyThe Fidelity Total Market Index Fund (FSKAX) is an exchange-traded fund designed to track the performance of the FTSE All World ex-U.S. Index, holding a broad portfolio of U.S. and international stocks.
Why this score
Extremely low-cost total US market exposure, excellent diversification, and strong Fidelity reputation; available only through Fidelity's fund platform.
Scoring methodologyThe Fidelity 500 Index Fund (FXAIX) is an exchange-traded fund designed to track the performance of the S&P 500 stock market index, holding a broadly diversified portfolio of 500 large-cap U.S. companies.
Why this score
Best-in-class expense ratio, excellent tracking, huge scale, and enduring S&P 500 exposure; mutual-fund portability is limited.
Scoring methodologyThe Vanguard Total International Stock Index Fund ETF (VXUS) tracks the performance of stocks in developed and emerging markets outside of the United States, aiming to provide broad exposure to global equities with low expense ratios.
Why this score
Very low fees, exceptional diversification, strong Vanguard reputation; prolonged international underperformance and emerging-market volatility temper enthusiasm.
Scoring methodologyVOO is Vanguard's highly popular ETF tracking the S&P 500. It is often chosen as a direct, low-cost alternative to IVV and SPY. Its strength lies in its simplicity and its consistent tracking of the 500 largest US companies. It remains a top-tier choice for investors who want maximum exposure to the...
The Schwab U.S. Dividend Equity ETF (SCHD) is an exchange-traded fund that tracks an index of high-dividend-paying U.S. companies, utilizing a passive investment strategy and focusing on established, financially healthy businesses.
Why this score
Highly regarded dividend-quality methodology, low fee, strong historical returns, and loyal investor following; sector concentration and value tilts can lag.
Scoring methodologyThe Fidelity ZERO Total Market Index Fund is an exchange-traded fund designed to track the performance of a broad U.S. stock market index, aiming for low operating expenses and diversification within a single investment vehicle.
Why this score
Zero fees, broad US diversification, and strong tracking make it highly regarded; proprietary index and transfer restrictions prevent best-in-class status.
Scoring methodologyThe Vanguard Dividend Appreciation ETF (VIG) is an exchange-traded fund that tracks an index of U.S. companies with a history of consistently increasing dividend payments, aiming for long-term income and growth through a passive investment strategy.
Why this score
Highly respected dividend-growth methodology, low turnover, strong quality profile, and low fee; modest yield disappoints income-focused investors.
Scoring methodologyThe iShares Core MSCI Total International Stock ETF (IXNA) is an exchange-traded fund that tracks a broad index of stocks from developed and emerging markets outside the United States, offering diversified exposure to global equities.
Why this score
IXUS provides broad, low-cost developed and emerging-market coverage with small caps; international underperformance and withholding taxes temper ratings.
Scoring methodologyVTSAX offers exposure to nearly the entire U.S. stock market, including large, mid, and small-cap companies. This provides superior diversification compared to an S&P 500 fund because it captures growth from smaller, potentially higher-growth segments. It is a powerful, comprehensive core holding fo...
Fidelity Total International Index Fund (FTIHX) is an exchange-traded fund that tracks a broad index of international stocks, providing investors with diversified exposure to developed and emerging market companies outside the United States.
Why this score
Broad developed and emerging-market diversification at low cost; international performance and modest small-cap coverage draw some criticism.
Scoring methodologyThe SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) is an exchange-traded fund designed to track the performance of the S&P 1500 Composite Index, offering broad exposure across mid and small-cap U.S. stocks.
Why this score
Broad US coverage, very low fee, and efficient S&P methodology earn strong reviews; less popular than VTI or ITOT.
Scoring methodologyThe Schwab U.S. Large-Cap Equity ETF is an exchange-traded fund that tracks the performance of the Dow Jones U.S. Large-Cap Index, investing in a broad selection of large U.S. companies and utilizing a passively managed approach.
Why this score
Very low fee, broad large-cap exposure, strong liquidity, and reliable tracking; offers little differentiation from superior total-market funds.
Scoring methodologyThe iShares Core S&P Mid-Cap ETF is an exchange-traded fund issued by BlackRock's iShares division. The fund tracks the S&P MidCap 400 Index, a market-capitalization-weighted index measuring the performance of mid-sized U.S. companies. It provides diversified exposure to firms positioned between lar...
Why this score
IJH offers low-cost, liquid S&P MidCap 400 exposure with profitability screening and strong tracking; total-market funds remain more complete.
Scoring methodologyThe Fidelity U.S. Bond Index Fund is an exchange-traded fund that tracks the performance of a broad selection of investment-grade U.S. dollar-denominated fixed-income securities, aiming to replicate the returns of a market-weighted index.
Why this score
Extremely low-cost aggregate bond exposure, broad diversification, and dependable tracking; duration risk and exclusion of some bond sectors limit returns.
Scoring methodologyThe Vanguard Growth ETF (VUG) is an exchange-traded fund that tracks the performance of the CRSP US Large Cap Growth Index, investing in stocks of companies with above-average growth characteristics within the U.S. market.
Why this score
Low-cost large-growth exposure with excellent historical returns and liquidity; mega-cap concentration and valuation sensitivity materially increase risk.
Scoring methodologyThe Vanguard Small-Cap Value ETF (VB) is an exchange-traded fund that tracks an index of small-cap U.S. companies with characteristics of value stocks, aiming to deliver broad exposure to this segment of the market through a low-cost, passively managed approach.
Why this score
Low-cost diversified small-value exposure with a respected long-term factor premium; simplistic value screens and prolonged tracking gaps draw criticism.
Scoring methodologyThe iShares Core S&P Small-Cap ETF (IJR) is an exchange-traded fund that tracks the performance of the S&P Small-Cap 600 Index, investing in a diversified portfolio of small-capitalization U.S. stocks.
Why this score
Low-cost S&P 600 tracking, excellent liquidity, and profitability screening distinguish it from Russell 2000 funds; small-cap volatility remains high.
Scoring methodologyThe Vanguard Short-Term Treasury ETF (VGSH) is an exchange-traded fund that seeks to track the performance of a short-term measure of U.S. Treasury debt, providing investors with exposure to highly liquid, fixed-income securities.
Why this score
Low fee, excellent liquidity, minimal credit risk, and dependable short-duration Treasury exposure; limited return potential is intentional.
Scoring methodologyThe Vanguard Value ETF (VTV) is an exchange-traded fund that tracks the performance of the CRSP US Large Cap Value Index, investing in stocks with relatively low price-to-book ratios and high dividend yields to mimic established, financially sound companies.
Why this score
Broad, inexpensive large-value exposure with strong tracking and diversification; style cycles can produce lengthy underperformance against the broad market.
Scoring methodologyThe Vanguard Information Technology ETF (VGT) is an exchange-traded fund that tracks a market-weighted index of U.S. information technology companies, offering investors exposure to this sector through a low-cost, passively managed index fund.
Why this score
Outstanding long-term returns, low fee, and broad technology exposure; extreme concentration in mega-cap technology creates valuation and drawdown risk.
Scoring methodologyThe Vanguard Small-Cap ETF (VB) is an exchange-traded fund that tracks the performance of the Russell 2000 Index, investing in a diversified portfolio of approximately 300 small capitalization stocks aiming for long-term growth.
Why this score
Broad, inexpensive small-cap exposure with excellent diversification and tracking; volatility and overlap with mid-cap holdings are accepted limitations.
Scoring methodologyThe Schwab U.S. Aggregate Bond ETF (SCHAB) is an exchange-traded fund that tracks a broad benchmark of investment-grade U.S. bonds, providing diversified exposure to the overall bond market through its index-fund construction.
Why this score
SCHZ offers very low-cost aggregate bond exposure, broad diversification, and solid tracking; standard benchmark omissions and duration risk remain.
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Frequently Asked Questions
Which index fund leads this ranking?
Lunoo's current ranking places Vanguard Total Stock Market ETF (VTI) first with a displayed score of 9.33/10. That is the result of Lunoo's scoring model, not a claim that one choice is best for every person.
How should I read the score and confidence label?
The 0 to 10 score is Lunoo's ranking judgment. Strong confidence means 10 or more recorded comparison checks, some means 2 to 9, and provisional means fewer than 2.
What supports this ranking?
Lunoo combines category fit, feature coverage, pricing and value signals, public reception, recency, and peer comparisons. Public source links support factual item details when available, but they are not required for membership in this 92-item ranking.
Can I compare the leading index fund?
Yes. The comparison links put adjacent leaders side by side so you can inspect differences that one ranking score cannot capture.