MOSAX vs. FAERX
MOSAX (MassMutual Overseas Fund) and FAERX (Fidelity Advisor Overseas Fund Class M) are both Foreign Large Cap Equities funds. Over the past 10 years, MOSAX returned 8.66%/yr vs 7.40%/yr for FAERX. Their correlation of 0.89 suggests significant overlap in exposure. MOSAX charges 1.34%/yr vs 1.65%/yr for FAERX.
Performance
MOSAX vs. FAERX - Performance Comparison
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Returns By Period
Over the past 10 years, MOSAX has outperformed FAERX with an annualized return of 8.66%, while FAERX has yielded a comparatively lower 7.40% annualized return.
MOSAX
- 1D
- 0.34%
- 1M
- 1.60%
- 6M
- 1.02%
- YTD
- 3.86%
- 1Y
- 9.90%
- 3Y*
- 10.54%
- 5Y*
- 5.91%
- 10Y*
- 8.66%
FAERX
- 1D
- 0.00%
- 1M
- 0.00%
- 6M
- 0.00%
- YTD
- 0.00%
- 1Y
- -3.12%
- 3Y*
- 8.79%
- 5Y*
- 2.78%
- 10Y*
- 7.40%
MOSAX vs. FAERX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MOSAX MassMutual Overseas Fund | 3.86% | 25.48% | 0.12% | 18.26% | -15.35% | 12.61% | 8.51% | 28.26% | -16.78% | 26.44% |
FAERX Fidelity Advisor Overseas Fund Class M | 0.00% | 14.70% | 4.40% | 19.78% | -24.77% | 18.63% | 14.43% | 27.14% | -15.25% | 29.37% |
Correlation
The correlation between MOSAX and FAERX is 0.51, 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 | 0.51 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.79 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.86 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.88 |
Correlation (All Time) Calculated using the full available price history since May 2, 2001 | 0.89 |
Over the past year, the correlation between MOSAX and FAERX has dropped to 0.51 - well below their long-term average of 0.89, suggesting their price drivers have been diverging.
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Return for Risk
MOSAX vs. FAERX — Risk / Return Rank
MOSAX
FAERX
MOSAX vs. FAERX - 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 M (FAERX). 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 | FAERX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.24 | ||
| Sortino ratioReturn per unit of downside risk | +1.76 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 0.87 | +0.25 |
| Calmar ratioReturn relative to maximum drawdown | 0.75 | -0.71 | +1.46 |
| Martin ratioReturn relative to average drawdown | 2.52 | -1.11 | +3.63 |
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Drawdowns
MOSAX vs. FAERX - Drawdown Comparison
The maximum MOSAX drawdown since its inception was -58.43%, roughly equal to the maximum FAERX drawdown of -60.14%. Use the drawdown chart below to compare losses from any high point for MOSAX and FAERX.
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Drawdown Indicators
| MOSAX | FAERX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.43% | -60.14% | +1.71% |
Max Drawdown (1Y)Largest decline over 1 year | -11.74% | -7.29% | -4.45% |
Max Drawdown (3Y)Largest decline over 3 years | -14.43% | -14.00% | -0.43% |
Max Drawdown (5Y)Largest decline over 5 years | -33.69% | -36.62% | +2.93% |
Max Drawdown (10Y)Largest decline over 10 years | -36.75% | -36.62% | -0.13% |
Current DrawdownCurrent decline from peak | -1.00% | -5.89% | +4.89% |
Average DrawdownAverage peak-to-trough decline | -11.58% | -14.35% | +2.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.49% | 4.32% | -0.83% |
Volatility
MOSAX vs. FAERX - Volatility Comparison
MassMutual Overseas Fund (MOSAX) has a higher volatility of 4.04% compared to Fidelity Advisor Overseas Fund Class M (FAERX) at 0.00%. This indicates that MOSAX's price experiences larger fluctuations and is considered to be riskier than FAERX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MOSAX | FAERX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.04% | 0.00% | +4.04% |
Volatility (6M)Calculated over the trailing 6-month period | 11.58% | 2.84% | +8.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.14% | 8.37% | +5.77% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.71% | 16.70% | +1.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.87% | 16.30% | +1.57% |
MOSAX vs. FAERX - Expense Ratio Comparison
MOSAX has a 1.34% expense ratio, which is lower than FAERX's 1.65% expense ratio.
Dividends
MOSAX vs. FAERX - Dividend Comparison
MOSAX's dividend yield for the trailing twelve months is around 17.53%, more than FAERX's 7.94% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FAERX Fidelity Advisor Overseas Fund Class M | 7.94% | 7.94% | 0.96% | 0.51% | 0.12% | 2.07% | 0.00% | 1.15% | 4.25% | 3.35% | 0.80% | 0.09% |
MOSAX MassMutual Overseas Fund | 17.53% | 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 FAERX have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MOSAX has higher volatility (4.04%) compared to FAERX (0.00%). In terms of maximum drawdown, MOSAX dropped -58.43% vs FAERX's -60.14%.
MOSAX currently has the higher Sharpe Ratio (0.62 vs -0.62), 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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