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For new investors

Funds & ETFs

The simplest way to start investing — buy a whole basket of stocks in a single tap, instead of betting on one.

What is an ETF?

An ETF (Exchange-Traded Fund) is a basket of many stocks or bonds bundled together. Buy one share of an ETF and you own a slice of every company in the basket — instant diversification, no portfolio juggling.

VOO, for instance, owns the 500 biggest US companies in one share. AGG holds thousands of bonds.

"Mutual fund" is the same idea but bought directly from the fund manager instead of on a stock exchange. For everyday investors, ETFs and index mutual funds work alike.

Why new investors love them

🧺
Built-in diversification
One purchase spreads your money across hundreds of companies — no single bad stock can sink you.
💸
Low cost
Annual fees are usually a fraction of a percent. Compare to 1–2% on actively managed funds — that gap compounds enormously.
🛌
Simple to hold
No earnings calls, no rebalancing, no late-night panic. Buy, hold, let it compound.

ETF vs single stock — at a glance

Single stock

  • One company = one bet
  • Big upside if it wins
  • Big drop if it stumbles
  • Watch earnings & news

ETF / fund

  • One buy = many companies
  • Smoother ride
  • Pays a small annual fee
  • Mostly buy-and-forget

What to look out for

✓
Low expense ratio. Under 0.20% is great for broad-market ETFs; under 0.05% is excellent. A 1% fee may sound small but compounds away ~25% of your gains over 30 years.
✓
Which sectors it covers. A "tech ETF" behaves very differently to a "bond ETF" — make sure the mix matches what you actually want. Check the breakdown on the back of the card. See sector trends →
✓
How many holdings. More holdings = smoother ride. 100+ is solid; under 30 means a few stocks dominate (which can be a feature, not a bug, depending on your goal).
✓
Fund size (AUM). Larger funds (over $1B) are less likely to be shut down and have tighter trading spreads (so you don't lose a chunk to the spread on every trade).
✓
Tracking quality. How closely it follows the index it's supposed to mirror. A small gap is normal; a big gap eats into returns. We grade this on the card.

⚠ Steer clear of leveraged ETFs (until you really know them)

Funds with names like "3× Bull" or "Daily 2× Long" (e.g. TQQQ) amplify the daily move of an index — and they are not long-term holds. Daily compounding means they decay even in flat markets, and a 33% one-day drop in the underlying index wipes out a 3× fund entirely.

You'll see a red 3× chip on the card whenever a fund is leveraged. Treat as an advanced short-term tool, not as an investment.

Find one for your goal

Tap a goal to see hand-picked ETFs.

Browse every fund & ETF

Filter, sort, and compare alongside single stocks — or open one as a full card.

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