MOSAX vs. FAOCX
MOSAX (MassMutual Overseas Fund) and FAOCX (Fidelity Advisor Overseas Fund Class C) are both Foreign Large Cap Equities funds. Over the past 10 years, MOSAX returned 8.99%/yr vs 6.48%/yr for FAOCX. Their correlation of 0.90 suggests significant overlap in exposure. MOSAX charges 1.34%/yr vs 2.25%/yr for FAOCX.
Performance
MOSAX vs. FAOCX - Performance Comparison
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Returns By Period
Over the past 10 years, MOSAX has outperformed FAOCX with an annualized return of 8.99%, while FAOCX has yielded a comparatively lower 6.48% annualized return.
MOSAX
- 1D
- -0.34%
- 1M
- 0.58%
- YTD
- 1.99%
- 6M
- 1.75%
- 1Y
- 11.29%
- 3Y*
- 10.31%
- 5Y*
- 5.53%
- 10Y*
- 8.99%
FAOCX
- 1D
- 0.00%
- 1M
- 0.00%
- YTD
- 0.00%
- 6M
- 0.00%
- 1Y
- -1.01%
- 3Y*
- 6.99%
- 5Y*
- 2.79%
- 10Y*
- 6.48%
MOSAX vs. FAOCX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MOSAX MassMutual Overseas Fund | 1.99% | 25.48% | 0.12% | 18.26% | -15.35% | 12.61% | 8.51% | 28.26% | -16.78% | 26.44% |
FAOCX Fidelity Advisor Overseas Fund Class C | 0.00% | 14.19% | 3.86% | 19.03% | -25.22% | 17.97% | 13.77% | 26.37% | -15.77% | 28.58% |
Correlation
The correlation between MOSAX and FAOCX is 0.54, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.54 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.80 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.87 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.89 |
Correlation (All Time) Calculated using the full available price history since May 2, 2001 | 0.90 |
Over the past year, the correlation between MOSAX and FAOCX has dropped to 0.54 - well below their long-term average of 0.90, suggesting their price drivers have been diverging.
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Return for Risk
MOSAX vs. FAOCX — Risk / Return Rank
MOSAX
FAOCX
MOSAX vs. FAOCX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MassMutual Overseas Fund (MOSAX) and Fidelity Advisor Overseas Fund Class C (FAOCX). 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.
| MOSAX | FAOCX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.96 | ||
| Sortino ratioReturn per unit of downside risk | +1.37 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 0.99 | +0.17 |
| Calmar ratioReturn relative to maximum drawdown | 1.03 | -0.13 | +1.16 |
| Martin ratioReturn relative to average drawdown | 3.48 | -0.21 | +3.70 |
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Drawdowns
MOSAX vs. FAOCX - Drawdown Comparison
The maximum MOSAX drawdown since its inception was -58.43%, roughly equal to the maximum FAOCX drawdown of -60.45%. Use the drawdown chart below to compare losses from any high point for MOSAX and FAOCX.
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Drawdown Indicators
| MOSAX | FAOCX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.43% | -60.45% | +2.02% |
Max Drawdown (1Y)Largest decline over 1 year | -11.74% | -7.33% | -4.41% |
Max Drawdown (3Y)Largest decline over 3 years | -14.43% | -14.05% | -0.38% |
Max Drawdown (5Y)Largest decline over 5 years | -33.69% | -36.96% | +3.27% |
Max Drawdown (10Y)Largest decline over 10 years | -36.75% | -36.96% | +0.21% |
Current DrawdownCurrent decline from peak | -2.46% | -5.90% | +3.44% |
Average DrawdownAverage peak-to-trough decline | -11.60% | -15.61% | +4.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.46% | 4.17% | -0.71% |
Volatility
MOSAX vs. FAOCX - Volatility Comparison
MassMutual Overseas Fund (MOSAX) has a higher volatility of 3.83% compared to Fidelity Advisor Overseas Fund Class C (FAOCX) at 0.00%. This indicates that MOSAX's price experiences larger fluctuations and is considered to be riskier than FAOCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MOSAX | FAOCX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.83% | 0.00% | +3.83% |
Volatility (6M)Calculated over the trailing 6-month period | 11.32% | 3.64% | +7.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.17% | 8.76% | +5.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.71% | 16.71% | +1.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.17% | 16.64% | +1.53% |
MOSAX vs. FAOCX - Expense Ratio Comparison
MOSAX has a 1.34% expense ratio, which is lower than FAOCX's 2.25% expense ratio.
Dividends
MOSAX vs. FAOCX - Dividend Comparison
MOSAX's dividend yield for the trailing twelve months is around 17.85%, more than FAOCX's 8.26% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FAOCX Fidelity Advisor Overseas Fund Class C | 8.26% | 8.26% | 0.40% | 0.00% | 0.00% | 2.22% | 0.00% | 0.51% | 3.72% | 3.07% | 0.12% | 0.00% |
MOSAX MassMutual Overseas Fund | 17.85% | 18.21% | 6.02% | 2.24% | 9.26% | 9.64% | 1.78% | 5.10% | 12.16% | 1.42% | 1.71% | 3.12% |
Frequently Asked Questions
MOSAX and FAOCX have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MOSAX has higher volatility (3.83%) compared to FAOCX (0.00%). In terms of maximum drawdown, MOSAX dropped -58.43% vs FAOCX's -60.45%.
MOSAX currently has the higher Sharpe Ratio (0.85 vs -0.11), 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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