Compare/Updated Oct 26, 2026, refreshed every trading day
FSPSX vs FZILX
Fidelity Concord Street Trust - Fidelity International Index Fund against Fidelity International Index Fund: 4 years of returns, risk and today’s technical read, from Kavout’s own data.
FZILX did better over the period: $1,000 invested on October 28, 2022 grew to $1,906 versus $1,888 for FSPSX, a 90.6% versus 88.8% return. FZILX also led over three years, 66.4% to 62.3%, and over the past year, 12.9% to 9.4%, though FSPSX performed better in the latest one-month and six-month periods. The difference was modest: the funds had a 0.937 correlation, FSPSX beat FZILX in 24 of the last 48 months, and the typical monthly gap was 0.67 points. FZILX’s stronger return came with higher risk: 16.9% versus 16.0% volatility and a worse maximum drawdown of -15.3% versus -13.6%. Thus, FZILX was the higher-returning fund, while FSPSX offered slightly lower measured risk.
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Head to head
Which has returned more, FSPSX or FZILX?
FSPSX beat FZILX in 24 of the last 48 months; FZILX won the other 24. The typical monthly gap was 0.67 points.
Total return by period
Which is riskier?
FSPSX: Mar 19, 2025 to Apr 8, 2025; FZILX: Sep 26, 2024 to Apr 8, 2025
- 0.937
- correlation of daily moves, 4 years
- 0.94
- FSPSX move per 1% in FZILX
- 0.898
- correlation, last 12 months
Month by month
Of the last 48 months. The typical gap was 0.67 points.
When did they diverge?
| Month | FSPSX | FZILX | Gap |
|---|---|---|---|
| December 2024 | -2.9% | -5.3% | +2.45 pts |
| July 2026 | +1.6% | -0.8% | +2.32 pts |
| April 2026 | +5.8% | +8.0% | -2.19 pts |
| May 2026 | +2.5% | +4.1% | -1.60 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 FSPSX and FZILX?
- Price
- $66.17
- Price
- $16.47
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