ETF.com: A Guide to This Research Platform
ETF.com is one of the most established free ETF research sites. Here's how to use its screener and fund pages to check cost, holdings, and liquidity before buying.
Don't have time? Here's what you need to know:
- 1ETF.com is an independent research site built entirely around ETFs, useful for screening, vetting, and comparing funds for free.
- 2Its screener, fund pages, and comparison view cover most research needs — but confirm key figures against the issuer.
- 3On any fund page, prioritize the expense ratio, the index tracked, holdings, AUM, and the bid-ask spread.
- 4Settle your strategy first, then use a screener to find funds that fit — not the other way around.
What ETF.com Is For
ETF.com is a long-running, independent research site built specifically around exchange-traded funds. Where a general finance portal treats ETFs as one of many instruments, ETF.com is organized entirely around them — screening the universe of funds, comparing similar products, and digging into the details that distinguish two funds tracking the same corner of the market. For anyone choosing between funds, it is a useful free starting point.
The core idea behind the platform is that ETFs that look interchangeable on the surface often differ in cost, structure, holdings, and tradability. A good research tool surfaces those differences so you can decide whether they matter for your situation. ETF.com's fund pages and comparison views are designed for exactly that.
The Tools You'll Actually Use
Three features carry most of the weight: the screener, individual fund pages, and the head-to-head comparison view. The screener filters thousands of funds by asset class, expense ratio, issuer, and theme to build a short list. Fund pages then give you the detail on each candidate. The comparison tool lines up two or more funds side by side so the differences are obvious.
Note that financial data sites redesign and rename features over time, and some research sites move material behind registration or paywalls. Treat the specific features below as the general capabilities to look for rather than a permanent layout, and confirm any figure that matters against the fund issuer's own page.
| Tool | What it does | Use it to |
|---|---|---|
| Screener | Filters funds by asset class, cost, issuer, theme | Build a short list from thousands of ETFs |
| Fund page | Details on one fund's cost, holdings, structure | Vet a single candidate in depth |
| Comparison view | Lines up funds side by side | Decide between two similar ETFs |
The Fields That Actually Matter
When you land on a fund page, a few fields do most of the decision-making work. The expense ratio is first — it is the cost you pay every year and the most reliable predictor of how two similar funds will diverge over time. Then look at the index the fund tracks, its top holdings and sector weights, and its assets under management, which together tell you what you actually own.
Tradability matters too. Check the bid-ask spread and trading volume — wide spreads on a thinly traded fund quietly raise your real cost of buying and selling. For a methodical walkthrough of these fields on any fund, our guide to researching an ETF before buying covers each one in order.
Tip: Always confirm the expense ratio and holdings against the issuer's official fund page. Third-party sites can lag behind changes, and on cost, the primary source wins.
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Where It Fits in Your Process
A research platform like ETF.com is a tool for narrowing and vetting, not for deciding what kind of investor to be. Settle your strategy first — your asset allocation, your time horizon, your tolerance for risk — and only then use a screener to find specific funds that fit. Used the other way around, powerful screening tools can pull you toward whatever looks exciting rather than what suits your plan.
ETF.com is one option among several free research sources, including fund issuers' own sites and our own tools. Once you have a short list, our compare-any tool and guide to comparing similar ETFs help you make the final call between close candidates.
Frequently Asked Questions
Is ETF.com free to use?
Much of its core research — fund pages, screening, and comparisons — has historically been available for free, though financial data sites change their access models and may put some material behind registration over time. Confirm current access when you visit, and verify any figure that drives a decision against the fund issuer's official page.
What should I look at first on an ETF research page?
Start with the expense ratio, since it is the cost you pay every year and the best predictor of long-term divergence between similar funds. Then check the index tracked, the top holdings and sector weights, assets under management, and the bid-ask spread and trading volume, which affect your real cost of buying and selling.
Should I trust a third-party site's data over the fund issuer's?
Use third-party sites like ETF.com to screen and compare, but confirm anything that drives a decision — especially the expense ratio and holdings — against the issuer's official fund page. Third-party data can lag behind changes, and on cost and composition, the primary source is the one to trust.
Further Reading
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Alex Harrington
CFA Level II Candidate, Finance & Economics
Alex Harrington is an independent ETF researcher and personal finance writer with over 8 years of experience analyzing exchange-traded funds. A CFA Level II candidate with a background in economics, Alex has reviewed 800+ ETFs and helped thousands of beginners build their first investment portfolios through clear, jargon-free education.
This content is for educational purposes only and does not constitute financial advice. Past performance does not guarantee future results. Consult a licensed financial advisor before making investment decisions.