Key differences
- VTI tracks the CRSP US Total Market; VOO tracks the S&P 500. That is the biggest difference in what you actually own.
- Both charge the same fee of 0.03% a year.
About each fund
VTI — Vanguard Total Stock Market ETF
Holds nearly every listed US company — large, mid and small — in one fund. Broader than the S&P 500, though performance tends to be very similar.
VOO — Vanguard S&P 500 ETF
One of the most popular S&P 500 funds for US investors, with a very low fee. Non-US investors should check dividend withholding tax and estate-tax rules before buying US-domiciled funds.
Fund details checked November 2026. Always confirm current figures on each provider's factsheet.
Questions about VTI vs VOO
Is VTI or VOO better?
It depends on what you want to own. VTI gives you the CRSP US Total Market; VOO gives you the S&P 500. Neither is guaranteed to do better — use the calculator above with different return assumptions to see the range.
Which is cheaper, VTI or VOO?
They charge the same fee: 0.03% a year.
Can I hold both VTI and VOO?
Yes. Some investors combine them to set their own mix, but check the overlap — many large companies may appear in both.