Compare/Updated Oct 26, 2026, refreshed every trading day
FZROX vs VTSAX
Fidelity ZERO Total Market Index Fund against Vanguard Total Stock Market Index Fund: 4 years of returns, risk and today’s technical read, from Kavout’s own data.
VTSAX did better over the period: $1,000 invested on October 28, 2022 would be worth $2,016 versus $1,985 for FZROX, a 101.6% total return compared with 98.5%. VTSAX also led over three years, 81.8% to 78.6%, and over the past year, 14.7% to 13.7%. The difference was modest: both funds returned -1.1% over one month and had nearly identical recent results, while FZROX beat VTSAX in 29 of the last 48 months and the typical monthly gap was 0.03 points. Risk was also similar. FZROX’s 12-month volatility was 13.1% versus 13.0% for VTSAX, while its worst drawdown was -19.8% versus -19.4% for VTSAX. VTSAX therefore delivered the better result with slightly lower measured risk, but the funds behaved very similarly.
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Head to head
Which has returned more, FZROX or VTSAX?
FZROX beat VTSAX in 29 of the last 48 months; VTSAX won the other 19. The typical monthly gap was 0.03 points.
Total return by period
Which is riskier?
FZROX: Dec 4, 2024 to Apr 8, 2025; VTSAX: Feb 19, 2025 to Apr 8, 2025
- 0.975
- correlation of daily moves, 4 years
- 0.98
- FZROX move per 1% in VTSAX
- 0.924
- correlation, last 12 months
Month by month
Of the last 48 months. The typical gap was 0.03 points.
When did they diverge?
| Month | FZROX | VTSAX | Gap |
|---|---|---|---|
| December 2024 | -4.0% | -3.0% | -1.03 pts |
| December 2025 | -1.0% | -0.0% | -0.97 pts |
| December 2023 | +5.3% | +5.8% | -0.45 pts |
| January 2024 | +1.1% | +0.7% | +0.44 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 FZROX and VTSAX?
- Price
- $26.55
- Price
- $181.59
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