Data as of Aug 25, 2026 · Based on 318 AI responses from ChatGPT Search and Google AI Mode · See how Parse measures this
Best single fit for many beginners: Fidelity 500 Index Fund (FXAIX) — ultra-low ~0.015% fee and no minimum for cheap S&P 500 exposure. If fees are the top concern, use Fidelity ZERO Large Cap (FNILX) at 0% fee; choose Vanguard VTI for low‑cost, tax‑efficient broad U.S. market coverage.
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Best for broad U.S. diversification in ETF form: VTI covers nearly the entire U.S. market with low fees (~0.03%) and strong tax efficiency; caveat: if you want zero fees or a mutual fund, other choices may be cheaper.
Source | Citation share |
|---|---|
 14 Low-Cost Index Funds and ETFs for July 2026 - NerdWallethttps://www.nerdwallet.com/investing/learn/low-cost-index-funds | 7.5% |
Best Index Funds for Beginner Investors: Low Options 2025https://www.financedevil.com/best-index-funds-for-beginner-investors/ | 6.6% |
The Best Index Funds and How to Start Investing - NerdWallethttps://www.nerdwallet.com/investing/learn/how-to-invest-in-index-funds | 5.4% |
 10 Best Low-Cost Index Funds to Buy in 2026 | Investing | U.S. Newshttps://money.usnews.com/investing/articles/best-low-cost-index-funds | 4.3% |
 Low-Cost Index Funds: A Beginner's Guide | Bankratehttps://www.bankrate.com/investing/low-cost-index-funds-guide/ | 4.0% |
 10 Best Low-Cost Index Funds to Buy in 2026https://www.fool.com/investing/how-to-invest/index-funds/low-cost-index-funds/ | 4.0% |
 10 Best Low-Cost Index Funds for Investors (2026) – Savings Grovehttps://savingsgrove.com/blogs/guides/best-low-cost-index-funds | 3.7% |
Personal Finance Advice and Information | Bankrate.comhttps://www.bankrate.com/investing/best-index-funds/ | 3.5% |
 Best Low‑Cost Index Funds for New Investors in USA – Trusted Beginner Guide - scifinohttps://scifino.com/best-low-cost-index-funds-for-new-investors-in-usa/ | 2.3% |
 Best Low-Cost Index Funds - VitaDemy Globalhttps://vitademyglobal.com/best-low-cost-index-funds/ | 1.6% |
For a beginner investor, the gold standard of investing is keeping things **simple, diversified, and ultra-low-cost** . Index funds (available as both traditional mutual funds and Exchange-Traded Funds, or ETFs) do this by automatically tracking a major market index rather than paying a manager to pick…
For a beginner investor, the gold standard of investing is keeping things simple, diversified, and ultra-low-cost . Index funds (available as both traditional mutual funds and Exchange-Traded Funds, or ETFs) do this by automatically tracking a major market index rather than paying a manager to pick stocks.
The top low-cost index funds suited for beginners span across major providers like Vanguard, Fidelity, and Schwab:
These funds own virtually every publicly traded company in the U.S., giving you instant diversification across thousands of stocks.
If you want exposure to economies outside of the United States to protect against domestic downturns:
If you want to reduce volatility and cushion your portfolio against stock market swings:
Key Tips for Beginners
To help narrow this down, what brokerage platform are you using (e.g., Vanguard, Fidelity, Schwab, Robinhood), and what is your primary goal (retirement, general wealth-building, saving for a home)?
If you're a beginner investing in the U.S., I'd focus on **broad-market index funds with very low expense ratios**, rather than trying to pick the "best" performing fund. Index funds are designed to track an index, and lower costs generally leave more of your return in your pocket.…
If you're a beginner investing in the U.S., I'd focus on broad-market index funds with very low expense ratios, rather than trying to pick the "best" performing fund. Index funds are designed to track an index, and lower costs generally leave more of your return in your pocket.
| Fund | What it tracks | Expense ratio* | Best for |
|---|---|---|---|
| Fidelity ZERO Total Market Index (FZROX) | Nearly the entire U.S. stock market | 0.00% | Fidelity investors wanting simplicity |
| Vanguard Total Stock Market ETF (VTI) | Entire U.S. stock market | ~0.03% | Excellent all-around choice |
| Schwab Total Stock Market Index (SWTSX) | Entire U.S. stock market | ~0.03% | Schwab investors |
| Fidelity 500 Index (FXAIX) | S&P 500 | ~0.015% | Simple large-company exposure |
| Schwab S&P 500 Index (SWPPX) | S&P 500 | 0.02% | Very inexpensive S&P 500 fund |
*Expense ratios can change, so verify the current figure before purchasing. For example, Fidelity currently lists its ZERO funds as having no expense ratio, while SWPPX is currently listed at 0.02%.
I'd choose a total U.S. stock-market fund such as VTI, FZROX, or SWTSX, depending on your brokerage.
The advantage is diversification: a total-market index fund can give you ownership of thousands of companies in one investment.
If you're using Fidelity, FZROX is particularly attractive for a beginner because Fidelity offers it with a 0% expense ratio and no investment minimum.
An S&P 500 fund like FXAIX or SWPPX is also an excellent beginner choice. It owns roughly 500 of the largest U.S. companies.
The difference isn't enormous: a total-market fund also contains smaller U.S. companies, whereas an S&P 500 fund concentrates on large companies.
If you're investing for 10+ years and can tolerate substantial stock-market fluctuations, one straightforward approach is:
Or, if you want maximum simplicity, 100% total-market index fund can be a reasonable starting point for the stock portion of a portfolio.
If this is money you'll need within a few years, however, I wouldn't automatically put it all in a stock index fund—the market can fall substantially.
One other option worth considering is a target-date index fund, particularly for retirement. It gives you stocks and bonds and automatically becomes more conservative as the target date approaches.
Bottom line: Don't worry about finding the fund with the highest recent return. For a beginner, I'd prioritize broad diversification + very low fees + investing consistently. The SEC specifically notes that even seemingly small fee differences can have a significant effect over long periods.
If you tell me your age, how much you can invest each month, whether this is for retirement or another goal, and which brokerage you use (Fidelity/Schwab/Vanguard/etc.), I can suggest a very simple beginner portfolio with specific funds and percentages.
An S&P 500 fund like FXAIX or SWPPX is also an excellent beginner choice. It owns roughly 500 of the largest U.S. companies.
The difference isn't enormous: a total-market fund also contains smaller U.S. companies, whereas an S&P 500 fund concentrates on large companies.
If you're investing for 10+ years and can tolerate substantial stock-market fluctuations, one straightforward approach is:
Or, if you want maximum simplicity, 100% total-market index fund can be a reasonable starting point for the stock portion of a portfolio.
If this is money you'll need within a few years, however, I wouldn't automatically put it all in a stock index fund—the market can fall substantially.
One other option worth considering is a target-date index fund, particularly for retirement. It gives you stocks and bonds and automatically becomes more conservative as the target date approaches.
For a beginner investor, the best low-cost index funds are usually the ones that give you **broad diversification, very low fees, and a simple “buy and hold” approach**. You generally don’t need many funds—one well-chosen fund can be enough to start.…
For a beginner investor, the best low-cost index funds are usually the ones that give you broad diversification, very low fees, and a simple “buy and hold” approach. You generally don’t need many funds—one well-chosen fund can be enough to start.
Here are some strong beginner-friendly options:
| Goal | Fund (Ticker) | Provider | Approx. expense ratio | Why beginners like it |
|---|---|---|---|---|
| Own the entire U.S. stock market | Vanguard Total Stock Market ETF (VTI) | Vanguard | ~0.03% | Thousands of U.S. companies in one fund |
| Own the S&P 500 | Vanguard S&P 500 ETF (VOO) | Vanguard | ~0.03% | Simple exposure to large U.S. companies |
| Own the S&P 500 (mutual fund) | Fidelity 500 Index Fund | Fidelity | ~0.015% | Very low cost and beginner-friendly |
| Zero-fee U.S. market option | Fidelity ZERO Total Market Index Fund | Fidelity | 0% | No expense ratio; broad U.S. exposure |
| Add international stocks | Vanguard Total International Stock ETF | Vanguard | ~0.05% | Diversifies beyond the U.S. |
| Add bonds for stability | Vanguard Total Bond Market ETF | Vanguard | ~0.03% | Helps reduce portfolio volatility |
WTOP News Fidelity## Simple beginner portfolios
A common long-term approach:
You can adjust the percentages based on your age, goals, and comfort with market swings.
A very simple setup could be:
Fidelity offers several index funds with no expense ratios, including FZROX and FZILX.
A common beginner mistake is owning too many overlapping funds. For example, owning VOO, VTI, and an S&P 500 mutual fund together mostly duplicates the same U.S. large-company exposure.
If you tell me your age, whether this is for a Roth IRA/401(k)/taxable account, and how much you plan to invest each month, I can suggest a simple allocation.
For a beginner investor, the golden rules for choosing an index fund are **low expense ratios** (the annual fee charged by the fund) and **broad diversification** . Instead of trying to pick individual winning stocks, buying an index fund lets you own a tiny slice of hundreds or thousands of companies at once. The…
For a beginner investor, the golden rules for choosing an index fund are low expense ratios (the annual fee charged by the fund) and broad diversification . Instead of trying to pick individual winning stocks, buying an index fund lets you own a tiny slice of hundreds or thousands of companies at once.
The best low-cost index funds are typically categorized by the major brokerage firm that offers them (Vanguard, Fidelity, or Charles Schwab), and you can buy them either as traditional mutual funds or as Exchange-Traded Funds (ETFs).
These funds track the entire U.S. stock market or the S&P 500, giving you instant exposure to blue-chip giants like Apple, Microsoft, and Amazon, alongside thousands of smaller companies.
If you want to hedge your bets outside of the United States and capture growth in international markets (Europe, Asia, emerging markets), add a global index fund:
If you want a completely hands-off "set-it-and-forget-it" approach where the fund automatically adjusts its mix of stocks and bonds as you get closer to retirement age, target-date funds are ideal.
Quick Tips for Beginners
To help narrow this down, let me know:
For a beginner investor, the best low-cost index funds track broad market indexes, feature rock-bottom expense ratios, and require little to no account minimums.[](https://www.forbes.com/sites/investor-hub/article/best-index-funds-beginners/)…
For a beginner investor, the best low-cost index funds track broad market indexes, feature rock-bottom expense ratios, and require little to no account minimums.
The top choices are categorized by market exposure and accessibility:
To help tailor this, let me know:
For a beginner, I’d prioritize **broad diversification, very low fees, and simplicity** rather than trying to pick the “best-performing” fund. ### Strong low-cost choices Fund | What it owns | Expense ratio | Best for
For a beginner, I’d prioritize broad diversification, very low fees, and simplicity rather than trying to pick the “best-performing” fund.
| Fund | What it owns | Expense ratio | Best for |
|---|---|---|---|
| VTI — Vanguard Total Stock Market ETF | Nearly the entire U.S. stock market | 0.03% | ⭐ My favorite simple U.S. stock fund |
| VOO — Vanguard S&P 500 ETF | 500 large U.S. companies | 0.03% | Simple large-cap exposure |
| FZROX — Fidelity ZERO Total Market Index Fund | Broad U.S. stock market | 0.00% | Fidelity investors wanting zero fund expenses |
| VXUS — Vanguard Total International Stock ETF | Stocks outside the U.S. | ~0.05% | Adding international diversification |
VTI tracks the CRSP U.S. Total Market Index and includes large-, mid-, and small-cap companies. Vanguard currently lists its expense ratio at 0.03%.
FZROX is particularly attractive on cost: Fidelity currently lists a 0.00% expense ratio, no minimum investment, and about 2,646 holdings.
VOO is also extremely inexpensive at 0.03%, but it concentrates on large U.S. companies rather than the entire U.S. market.
If you want one fund and don't want to overthink it, I'd lean toward:
VTI → 100%
It's a remarkably simple way to own a diversified slice of the U.S. stock market.
If you want international diversification:
VTI → 80% VXUS → 20%
Or, if you're investing through Fidelity specifically, FZROX is a compelling alternative to VTI because its expense ratio is currently 0%.
These are stock funds, so they can fall substantially during a bear market. They're generally more appropriate for money you won't need for many years. If this is money for a house purchase, emergency fund, or another near-term goal, I'd use a different approach.
Also, don't feel you need five or ten funds. One broad index fund can be enough for a beginner.
If you tell me your age, whether this is a Roth IRA or regular brokerage account, and roughly how much you're investing per month, I can suggest a very simple beginner portfolio.
For a beginner, I’d prioritize **broad diversification, very low fees, and simplicity** over trying to pick the “best-performing” fund. A few excellent choices are: | Fund | What it covers | Expense ratio | Best for | |---|---|---:|---|
For a beginner, I’d prioritize broad diversification, very low fees, and simplicity over trying to pick the “best-performing” fund. A few excellent choices are:
| Fund | What it covers | Expense ratio | Best for |
|---|---|---|---|
| VTI | Essentially the entire U.S. stock market | ~0.03% | Excellent default U.S. fund |
| SWTSX | Entire U.S. stock market | 0.03% | Schwab investors |
| ITOT | Entire U.S. stock market | 0.03% | Another excellent ETF option |
| FZROX | Broad U.S. stock market | 0.00% | Fidelity investors |
| VT | U.S. + international stocks worldwide | 0.06% | Simplest one-fund portfolio |
For example, Schwab's SWTSX has no investment minimum and tracks the entire U.S. stock market at a 0.03% expense ratio. www.schwabassetmanagement.com iShares' ITOT similarly covers U.S. stocks across market caps for 0.03%. www.ishares.com Fidelity's FZROX has a $0 minimum and a 0.00% expense ratio.
1. Simplest: VT
If you don't want to think about U.S. vs. international allocation, VT is particularly attractive. It invests in both U.S. and foreign stocks and tracks the FTSE Global All Cap Index, with a 0.06% expense ratio.
You could literally make your long-term stock allocation 100% VT and have broad global diversification in one fund.
2. U.S.-focused: VTI or SWTSX
If you want primarily U.S. stocks, either is an excellent core holding. There's little reason to own both—they overlap heavily.
3. Fidelity account: FZROX
FZROX is especially appealing if you're investing through Fidelity because of its 0.00% expense ratio and $0 minimum.
If you're investing for a long-term goal (10+ years) and can tolerate substantial ups and downs:
You don't need five different index funds. One or two broad funds can be plenty.
One important caveat: stock index funds can fall substantially—even 30–50% during severe bear markets—so the right allocation depends heavily on when you'll need the money and how much volatility you can tolerate.
If you tell me your age, whether this is a Roth IRA/401(k)/regular brokerage account, how much you're starting with, and when you expect to need the money, I can suggest a simple beginner portfolio and explain exactly why I'd choose it.
For a beginner investor, the best low-cost index funds track broad market indexes (like the S&P 500 or the total U.S. stock market) and feature rock-bottom expense ratios . Keeping fees low ensures that more of your money stays invested and compounds over…
For a beginner investor, the best low-cost index funds track broad market indexes (like the S&P 500 or the total U.S. stock market) and feature rock-bottom expense ratios . Keeping fees low ensures that more of your money stays invested and compounds over time.
The top choices are categorized below by market exposure and major brokerage providers. (Note: Many of these are available as both traditional mutual funds and Exchange-Traded Funds, or ETFs. ETFs generally have no investment minimums.)
These funds hold thousands of U.S. stocks of all sizes (large, medium, and small companies), representing nearly the entire investable U.S. stock market.
These funds track the 500 largest publicly traded companies in the U.S. While slightly less diversified than a total market fund, they have a decades-long history of solid performance.
If you want exposure to companies outside the United States to balance your portfolio:
If you want to reduce overall portfolio volatility by adding fixed-income assets:
To help narrow this down, could you tell me:
If you're a beginner investing for the **long term (10+ years)**, I'd keep it simple: choose **one broad, low-cost index fund** rather than trying to pick lots of funds. Index funds are designed to track a market index, and their passive approach generally keeps costs low.…
If you're a beginner investing for the long term (10+ years), I'd keep it simple: choose one broad, low-cost index fund rather than trying to pick lots of funds. Index funds are designed to track a market index, and their passive approach generally keeps costs low.
| Fund | What it tracks | Expense ratio* | Why consider it |
|---|---|---|---|
| VTI — Vanguard Total Stock Market ETF | Essentially the entire U.S. stock market | ~0.03% | Best simple U.S. choice |
| VOO — Vanguard S&P 500 ETF | S&P 500 | ~0.03% | Excellent, extremely simple |
| FXAIX — Fidelity 500 Index Fund | S&P 500 | ~0.015% | Great if you use Fidelity |
| SWPPX — Schwab S&P 500 Index Fund | S&P 500 | ~0.02% | Great if you use Schwab |
| FZROX — Fidelity ZERO Total Market Index Fund | Broad U.S. market | 0% | Very low-cost option at Fidelity |
| VT — Vanguard Total World Stock ETF | U.S. + international stocks | ~0.06% | Best one-fund global option |
*Expense ratios can change, so verify the current figure before purchasing. Even small fee differences compound over time.
If you want maximum simplicity:
VT — one fund gives you U.S. and international stocks.
If you want mostly U.S. stocks:
VTI — a very broad U.S. portfolio in one fund.
If you're investing through Fidelity:
FZROX or FXAIX are particularly attractive. The Fidelity ZERO funds have a 0% expense ratio, although there are some portability considerations if you later move the account to another brokerage.
If you're investing through Schwab:
SWPPX is a straightforward, low-cost S&P 500 fund.
You generally don't need VTI + VOO + FXAIX + SWPPX. They overlap heavily. Owning four funds doesn't necessarily give you four times the diversification.
A simple portfolio might be:
Your appropriate stock/bond mix depends on your time horizon and tolerance for losses. Index funds can still fall substantially during bear markets; low fees don't make them low-risk.
If you tell me your age, whether this is a Roth IRA/401(k)/taxable account, and roughly how much you're starting with, I can suggest a very simple beginner portfolio and monthly contribution strategy.
For a beginner investor, the best low-cost index funds track major market indexes, offer instant diversification, and charge ultra-low expense ratios (often 0.03% or…
For a beginner investor, the best low-cost index funds track major market indexes, offer instant diversification, and charge ultra-low expense ratios (often 0.03% or less).
The top options are divided below by category and major brokerage ecosystem (Vanguard, Fidelity , and Charles Schwab ), all of which allow you to start investing with minimal friction.
These funds own practically every publicly traded U.S. company (large, mid, and small cap), giving you maximum domestic diversification.
These track the 500 largest companies in the U.S. While slightly less diversified than a total stock market fund, they cover the dominant economic engine of the U.S. and have stellar historical performance.
If you want to branch out beyond the U.S. economy to capture international growth, these funds cover developed and emerging markets globally.
If you want to lower your portfolio's volatility by adding fixed income:
Quick Tips for Beginners
Would you like help deciding which brokerage account to open , or do you want to talk about how to allocate percentages between U.S., international, and bond funds?
