FIONX vs. VXUS
FIONX (Fidelity SAI International Index Fund) and VXUS (Vanguard Total International Stock ETF) are both funds - FIONX is a Foreign Large Cap Equities fund managed by Fidelity, while VXUS is a Global Equities fund tracking the FTSE Global All Cap ex US Index. Over the past 5 years, FIONX returned 8.83%/yr vs 8.46%/yr for VXUS. Their correlation of 0.95 suggests significant overlap in exposure. FIONX charges 0.04%/yr vs 0.05%/yr for VXUS.
Performance
FIONX vs. VXUS - Performance Comparison
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Returns By Period
In the year-to-date period, FIONX achieves a 9.51% return, which is significantly lower than VXUS's 14.25% return.
FIONX
- 1D
- 0.42%
- 1M
- 4.08%
- YTD
- 9.51%
- 6M
- 12.10%
- 1Y
- 22.45%
- 3Y*
- 17.15%
- 5Y*
- 8.83%
- 10Y*
- —
VXUS
- 1D
- -0.99%
- 1M
- 4.68%
- YTD
- 14.25%
- 6M
- 16.92%
- 1Y
- 32.01%
- 3Y*
- 19.30%
- 5Y*
- 8.46%
- 10Y*
- 9.76%
FIONX vs. VXUS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FIONX Fidelity SAI International Index Fund | 9.51% | 31.85% | 3.64% | 18.22% | -14.19% | 11.24% | 8.17% | 22.09% | -13.59% | 22.53% |
VXUS Vanguard Total International Stock ETF | 14.25% | 32.35% | 5.08% | 15.86% | -16.08% | 8.98% | 10.66% | 21.75% | -14.43% | 26.55% |
Correlation
The correlation between FIONX and VXUS is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.95 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017 | 0.95 |
The correlation between FIONX and VXUS has been stable across timeframes, ranging from 0.94 to 0.95 - a consistent structural relationship.
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Return for Risk
FIONX vs. VXUS — Risk / Return Rank
FIONX
VXUS
FIONX vs. VXUS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI International Index Fund (FIONX) and Vanguard Total International Stock ETF (VXUS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| FIONX | VXUS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.65 | ||
| Sortino ratioReturn per unit of downside risk | -0.80 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.39 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | 1.91 | 2.85 | -0.94 |
| Martin ratioReturn relative to average drawdown | 7.14 | 11.14 | -4.00 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FIONX | VXUS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.47 | 2.12 | -0.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.55 | 0.53 | +0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.57 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.39 | +0.19 |
Drawdowns
FIONX vs. VXUS - Drawdown Comparison
The maximum FIONX drawdown since its inception was -33.69%, smaller than the maximum VXUS drawdown of -35.97%. Use the drawdown chart below to compare losses from any high point for FIONX and VXUS.
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Drawdown Indicators
| FIONX | VXUS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.69% | -35.97% | +2.28% |
Max Drawdown (1Y)Largest decline over 1 year | -11.40% | -11.27% | -0.13% |
Max Drawdown (3Y)Largest decline over 3 years | -13.62% | -13.58% | -0.04% |
Max Drawdown (5Y)Largest decline over 5 years | -29.49% | -29.44% | -0.05% |
Max Drawdown (10Y)Largest decline over 10 years | — | -35.97% | — |
Current DrawdownCurrent decline from peak | -0.47% | -0.99% | +0.52% |
Average DrawdownAverage peak-to-trough decline | -6.37% | -8.22% | +1.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.03% | 2.88% | +0.15% |
Volatility
FIONX vs. VXUS - Volatility Comparison
The current volatility for Fidelity SAI International Index Fund (FIONX) is 4.63%, while Vanguard Total International Stock ETF (VXUS) has a volatility of 5.60%. This indicates that FIONX experiences smaller price fluctuations and is considered to be less risky than VXUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FIONX | VXUS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.63% | 5.60% | -0.97% |
Volatility (6M)Calculated over the trailing 6-month period | 12.04% | 13.00% | -0.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.82% | 15.21% | -0.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.04% | 16.05% | -0.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.54% | 17.16% | -0.62% |
FIONX vs. VXUS - Expense Ratio Comparison
FIONX has a 0.04% expense ratio, which is lower than VXUS's 0.05% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
FIONX vs. VXUS - Dividend Comparison
FIONX's dividend yield for the trailing twelve months is around 2.99%, more than VXUS's 2.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FIONX Fidelity SAI International Index Fund | 2.99% | 3.28% | 3.06% | 2.18% | 3.34% | 2.65% | 1.91% | 3.16% | 3.00% | 0.52% | 0.00% | 0.00% |
VXUS Vanguard Total International Stock ETF | 2.66% | 3.18% | 3.37% | 3.24% | 3.09% | 3.10% | 2.14% | 3.06% | 3.18% | 2.73% | 2.93% | 2.83% |
Frequently Asked Questions
With a correlation of 0.95, FIONX and VXUS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
VXUS has higher volatility (5.60%) compared to FIONX (4.63%). In terms of maximum drawdown, FIONX dropped -33.69% vs VXUS's -35.97%.
VXUS currently has the higher Sharpe Ratio (2.12 vs 1.47), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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