FAOSX vs. FXAIX
FAOSX (Fidelity Advisor Overseas Fund Class Z) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - FAOSX is a Foreign Large Cap Equities fund managed by Fidelity, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, FAOSX returned 2.86%/yr vs 12.68%/yr for FXAIX. Their 0.73 correlation means they have sometimes moved together and sometimes differently. FAOSX charges 1.02%/yr vs 0.02%/yr for FXAIX.
Performance
FAOSX vs. FXAIX - Performance Comparison
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Returns By Period
FAOSX
- 1D
- 0.00%
- 1M
- 0.00%
- 6M
- 0.00%
- YTD
- 0.00%
- 1Y
- -0.26%
- 3Y*
- 7.96%
- 5Y*
- 2.86%
- 10Y*
- —
- ALL TIME*
- 8.10%
FXAIX
- 1D
- 1.66%
- 1M
- -0.56%
- 6M
- 7.79%
- YTD
- 9.35%
- 1Y
- 20.63%
- 3Y*
- 19.03%
- 5Y*
- 12.68%
- 10Y*
- 15.00%
- ALL TIME*
- 13.89%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
FAOSX vs. FXAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FAOSX Fidelity Advisor Overseas Fund Class Z | 0.00% | 15.36% | 5.06% | 20.52% | -24.31% | 19.42% | 15.17% | 27.96% | -14.73% | 26.25% |
FXAIX Fidelity 500 Index Fund | 9.35% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -4.43% | 19.56% |
Correlation
The correlation between FAOSX and FXAIX is 0.37, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.37 |
Correlation (3Y) Balances recent behavior with more history. | 0.62 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.71 |
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017 | 0.73 |
Over the past year, the correlation between FAOSX and FXAIX has dropped to 0.37 - well below their long-term average of 0.73, suggesting their price drivers have been diverging.
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Return for Risk
FAOSX vs. FXAIX — Risk / Return Rank
FAOSX
FXAIX
FAOSX vs. FXAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Overseas Fund Class Z (FAOSX) and Fidelity 500 Index Fund (FXAIX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| FAOSX | FXAIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.73 | ||
| Sortino ratioReturn per unit of downside risk | -2.36 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 1.26 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | -0.32 | 2.06 | -2.38 |
| Martin ratioReturn relative to average drawdown | -0.48 | 8.86 | -9.35 |
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Drawdowns
FAOSX vs. FXAIX - Drawdown Comparison
The maximum FAOSX drawdown since its inception was -36.24%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for FAOSX and FXAIX.
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Drawdown Indicators
| FAOSX | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -36.24% | -33.79% | -2.45% |
Max Drawdown (1Y)Largest decline over 1 year | -7.26% | -8.89% | +1.63% |
Max Drawdown (3Y)Largest decline over 3 years | -13.96% | -18.76% | +4.80% |
Max Drawdown (5Y)Largest decline over 5 years | -36.24% | -24.50% | -11.74% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.79% | — |
Current DrawdownCurrent decline from peak | -5.86% | -2.11% | -3.75% |
Average DrawdownAverage peak-to-trough decline | -7.90% | -3.77% | -4.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.48% | 2.07% | +2.41% |
Volatility
FAOSX vs. FXAIX - Volatility Comparison
The current volatility for Fidelity Advisor Overseas Fund Class Z (FAOSX) is 0.00%, while Fidelity 500 Index Fund (FXAIX) has a volatility of 3.44%. This indicates that FAOSX experiences smaller price fluctuations and is considered to be less risky than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FAOSX | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.00% | 3.44% | -3.44% |
Volatility (6M)Calculated over the trailing 6-month period | 0.00% | 10.09% | -10.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.68% | 12.86% | -5.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.65% | 17.03% | -0.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.56% | 18.07% | -1.51% |
FAOSX vs. FXAIX - Expense Ratio Comparison
FAOSX has a 1.02% expense ratio, which is higher than FXAIX's 0.02% expense ratio.
Dividends
FAOSX vs. FXAIX - Dividend Comparison
FAOSX's dividend yield for the trailing twelve months is around 8.67%, more than FXAIX's 1.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FAOSX Fidelity Advisor Overseas Fund Class Z | 8.67% | 8.67% | 1.80% | 1.12% | 0.85% | 2.07% | 0.00% | 1.70% | 5.30% | 3.93% | 0.00% | 0.00% |
FXAIX Fidelity 500 Index Fund | 1.07% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
Frequently Asked Questions
FAOSX and FXAIX have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FXAIX has higher volatility (3.44%) compared to FAOSX (0.00%). In terms of maximum drawdown, FAOSX dropped -36.24% vs FXAIX's -33.79%.
FXAIX currently has the higher Sharpe Ratio (1.43 vs -0.30), 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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