Compare/Updated Oct 26, 2026, refreshed every trading day
VFIAX vs FXAIX
Vanguard 500 Index Fd Admiral Shs against Fidelity 500 Index Fund: 4 years of returns, risk and today’s technical read, from Kavout’s own data.
VFIAX did better over the period: $1,000 invested on October 28, 2022 would be worth $2,063 versus $2,023 for FXAIX, a difference of $40. VFIAX also led over one month, three months, six months, YTD, one year, and three years. The advantage matters because both funds track the S&P 500 closely, so their results were nearly identical: daily-move correlation was 0.983, with a typical monthly gap of 0.00 points. VFIAX’s edge came despite slightly higher 12-month volatility, 12.8% versus 12.6%, and a marginally smaller worst drawdown, -18.8% versus -19.0%. FXAIX won in 35 of the last 48 months, while VFIAX won 13, indicating that VFIAX’s cumulative lead was modest and not consistently driven by monthly outperformance.
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Head to head
Which has returned more, VFIAX or FXAIX?
VFIAX beat FXAIX in 13 of the last 48 months; FXAIX won the other 35. The typical monthly gap was 0.00 points.
Total return by period
Which is riskier?
Both: Feb 19, 2025 to Apr 8, 2025
- 0.983
- correlation of daily moves, 4 years
- 0.98
- VFIAX move per 1% in FXAIX
- 0.930
- correlation, last 12 months
Month by month
Of the last 48 months. The typical gap was 0.00 points.
When did they diverge?
| Month | VFIAX | FXAIX | Gap |
|---|---|---|---|
| April 2025 | -0.7% | -1.0% | +0.33 pts |
| April 2026 | +10.5% | +10.2% | +0.31 pts |
| July 2025 | +2.2% | +1.9% | +0.30 pts |
| December 2025 | +0.1% | -0.2% | +0.30 pts |
Where the numbers come from. 1000 daily adjusted closes per fund from the Kavout market-data API, dividends included. Signals and indicators are Kavout’s own, refreshed nightly. Every figure is calculated from those adjusted closes.
Holdings and fees
What do you actually own with VFIAX and FXAIX?
- Price
- $703.82
- Price
- $264.99
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