Compare/Updated Oct 26, 2026, refreshed every trading day
FZROX vs FZILX
Fidelity ZERO Total Market Index Fund against Fidelity International Index Fund: 4 years of returns, risk and today’s technical read, from Kavout’s own data.
FZROX did better over the 1,000-trading-day period: $1,000 invested on October 28, 2022 would be worth $1,985 versus $1,906 for FZILX, a 98.5% versus 90.6% total return. FZROX also led over three years, gaining 78.6% compared with FZILX’s 66.4%, and had stronger recent results across the listed periods. The trade-off was risk: FZROX’s 12-month volatility was lower at 13.1% versus 16.9% for FZILX, but its worst drawdown was larger at -19.8% versus -15.3%. Their daily moves were positively correlated at 0.789, rising to 0.851 over the last 12 months, although monthly leadership was relatively balanced: FZROX won 25 of 48 months and FZILX won 23. Overall, FZROX delivered the better return with lower recent volatility, while FZILX experienced the smaller worst drawdown.
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Head to head
Which has returned more, FZROX or FZILX?
FZROX beat FZILX in 25 of the last 48 months; FZILX won the other 23. The typical monthly gap was 1.64 points.
Total return by period
Which is riskier?
FZROX: Dec 4, 2024 to Apr 8, 2025; FZILX: Sep 26, 2024 to Apr 8, 2025
- 0.789
- correlation of daily moves, 4 years
- 0.82
- FZROX move per 1% in FZILX
- 0.851
- correlation, last 12 months
Month by month
Of the last 48 months. The typical gap was 1.64 points.
When did they diverge?
| Month | FZROX | FZILX | Gap |
|---|---|---|---|
| November 2022 | +5.3% | +13.6% | -8.21 pts |
| November 2024 | +6.6% | -0.3% | +6.88 pts |
| February 2026 | -0.5% | +5.4% | -5.89 pts |
| March 2025 | -5.9% | +0.0% | -5.87 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 FZILX?
- Price
- $26.55
- Price
- $16.47
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