FXAIX vs VFIAX: which was the better investment?
Fidelity 500 Index Fund against Vanguard 500 Index Fund Admiral Shares on real daily total-return data — every dividend reinvested, from May 4, 2011 to Jul 13, 2026.
Set up your comparison
What are you comparing?
Pick one investment — or add several to build a portfolio.
Compare against
The benchmark your investment has to beat.
Time & money
When the money goes in, and how much.
Leave empty for earliest
Leave empty for today
0 for a one-time investment
Daily total-return data — dividends reinvested. Monthly additions buy on the first trading day.
Track your entire portfolio in one free Google Sheet
Enter your trades once and values update automatically. We'll send it straight to your inbox.
Related comparisons
Browse all match-ups on the comparison hub, build your own in the Compare Investments tool, or check a single asset's exact-date returns with the Investment Calculator.
Frequently asked questions
Did FXAIX beat VFIAX?
It was effectively a tie over the full overlap period (May 4, 2011 to Jul 13, 2026): $10,000 grew to $73,310 in FXAIX and $73,321 in VFIAX, a difference of under 2%.
What would $10,000 in FXAIX be worth today?
$10,000 invested in Fidelity 500 Index Fund (FXAIX) on May 4, 2011 would be worth about $73,310 as of Jul 13, 2026, a total return of 633.1% (14.0% per year). The same $10,000 in VFIAX would be worth $73,321.
Which was riskier — FXAIX or VFIAX?
FXAIX swung with an annualized volatility of 17.3% and a worst peak-to-trough drop of -33.8%; VFIAX ran at 17.3% volatility with a -33.8% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.70 for FXAIX vs 0.70 for VFIAX.
What data is this comparison based on?
Daily adjusted closing prices covering May 4, 2011 through Jul 13, 2026 — the full period where both assets have price history. Adjusted prices include dividends and splits, so these are total returns. The page refreshes with new market data every day.
Can I change the dates, amounts, or add monthly investing?
Yes — the interactive tool on this page is pre-loaded with FXAIX vs VFIAX. You can set any start and end date, change the starting amount, add monthly contributions, or build a multi-asset portfolio and compare it against any benchmark.