Compare/Updated Oct 26, 2026, refreshed every trading day
VTSAX vs FXAIX
Vanguard Total Stock Market Index Fund against Fidelity 500 Index Fund: 4 years of returns, risk and today’s technical read, from Kavout’s own data.
FXAIX did slightly better over the comparison period: $1,000 invested on October 28, 2022 would be worth $2,023 versus $2,016 for VTSAX, a 102.3% versus 101.6% total return. The difference was modest, with the funds highly correlated at 0.979 and monthly leadership evenly split: VTSAX won 24 of the last 48 months and FXAIX won the other 24. FXAIX had lower volatility over the last 12 months, at 12.6% versus 13.0% for VTSAX, and a slightly smaller worst drawdown, -19.0% versus -19.4%. The results suggest FXAIX delivered marginally better performance with marginally lower recent risk, while VTSAX provided broader market exposure. Their similar behavior means the choice produced little practical performance difference over this period.
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Head to head
Which has returned more, VTSAX or FXAIX?
VTSAX beat FXAIX in 24 of the last 48 months; FXAIX won the other 24. The typical monthly gap was 0.25 points.
Total return by period
Which is riskier?
Both: Feb 19, 2025 to Apr 8, 2025
- 0.979
- correlation of daily moves, 4 years
- 1.00
- VTSAX move per 1% in FXAIX
- 0.926
- correlation, last 12 months
Month by month
Of the last 48 months. The typical gap was 0.25 points.
When did they diverge?
| Month | VTSAX | FXAIX | Gap |
|---|---|---|---|
| December 2023 | +5.8% | +4.5% | +1.21 pts |
| March 2023 | +2.6% | +3.7% | -1.03 pts |
| January 2024 | +0.7% | +1.7% | -0.98 pts |
| November 2024 | +6.6% | +5.9% | +0.76 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 VTSAX and FXAIX?
- Price
- $181.59
- Price
- $264.99
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