COIIX vs. VFSNX
Compare and contrast key facts about Calvert International Opportunities Fund (COIIX) and Vanguard FTSE All-World ex-US Small-Cap Index Fund Institutional Shares (VFSNX).
COIIX is managed by Calvert Research and Management. It was launched on May 30, 2007. VFSNX is managed by Vanguard. It was launched on Apr 2, 2009.
Performance
COIIX vs. VFSNX - Performance Comparison
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COIIX vs. VFSNX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COIIX Calvert International Opportunities Fund | -7.27% | 13.80% | -1.48% | 12.95% | -26.69% | 13.97% | 14.05% | 26.09% | -14.57% | 38.55% |
VFSNX Vanguard FTSE All-World ex-US Small-Cap Index Fund Institutional Shares | -1.08% | 29.97% | 2.63% | 15.18% | -21.26% | 12.74% | 11.92% | 21.72% | -18.46% | 30.30% |
Returns By Period
In the year-to-date period, COIIX achieves a -7.27% return, which is significantly lower than VFSNX's -1.08% return. Over the past 10 years, COIIX has underperformed VFSNX with an annualized return of 5.47%, while VFSNX has yielded a comparatively higher 7.33% annualized return.
COIIX
- 1D
- 0.00%
- 1M
- -12.74%
- YTD
- -7.27%
- 6M
- -8.00%
- 1Y
- 4.18%
- 3Y*
- 3.84%
- 5Y*
- -0.68%
- 10Y*
- 5.47%
VFSNX
- 1D
- -0.56%
- 1M
- -11.47%
- YTD
- -1.08%
- 6M
- 1.46%
- 1Y
- 26.81%
- 3Y*
- 12.77%
- 5Y*
- 5.20%
- 10Y*
- 7.33%
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COIIX vs. VFSNX - Expense Ratio Comparison
COIIX has a 1.06% expense ratio, which is higher than VFSNX's 0.11% expense ratio.
Return for Risk
COIIX vs. VFSNX — Risk / Return Rank
COIIX
VFSNX
COIIX vs. VFSNX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Calvert International Opportunities Fund (COIIX) and Vanguard FTSE All-World ex-US Small-Cap Index Fund Institutional Shares (VFSNX). 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.
| COIIX | VFSNX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.19 | 1.78 | -1.59 |
Sortino ratioReturn per unit of downside risk | 0.36 | 2.29 | -1.94 |
Omega ratioGain probability vs. loss probability | 1.05 | 1.35 | -0.30 |
Calmar ratioReturn relative to maximum drawdown | 0.15 | 2.09 | -1.94 |
Martin ratioReturn relative to average drawdown | 0.56 | 8.39 | -7.83 |
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
| COIIX | VFSNX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.19 | 1.78 | -1.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.04 | 0.35 | -0.39 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | 0.47 | -0.15 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.19 | 0.55 | -0.36 |
Correlation
The correlation between COIIX and VFSNX is 0.90, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
COIIX vs. VFSNX - Dividend Comparison
COIIX's dividend yield for the trailing twelve months is around 3.76%, more than VFSNX's 3.40% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COIIX Calvert International Opportunities Fund | 3.76% | 3.49% | 3.24% | 1.77% | 0.61% | 7.67% | 0.78% | 1.32% | 9.82% | 7.19% | 1.52% | 4.53% |
VFSNX Vanguard FTSE All-World ex-US Small-Cap Index Fund Institutional Shares | 3.40% | 3.36% | 3.41% | 3.11% | 2.26% | 2.70% | 1.90% | 3.25% | 2.81% | 2.85% | 2.93% | 2.69% |
Drawdowns
COIIX vs. VFSNX - Drawdown Comparison
The maximum COIIX drawdown since its inception was -57.27%, which is greater than VFSNX's maximum drawdown of -43.65%. Use the drawdown chart below to compare losses from any high point for COIIX and VFSNX.
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Drawdown Indicators
| COIIX | VFSNX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.27% | -43.65% | -13.62% |
Max Drawdown (1Y)Largest decline over 1 year | -12.74% | -11.47% | -1.27% |
Max Drawdown (5Y)Largest decline over 5 years | -40.36% | -33.75% | -6.61% |
Max Drawdown (10Y)Largest decline over 10 years | -40.36% | -43.65% | +3.29% |
Current DrawdownCurrent decline from peak | -17.00% | -11.47% | -5.53% |
Average DrawdownAverage peak-to-trough decline | -15.06% | -9.56% | -5.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.50% | 2.86% | +0.64% |
Volatility
COIIX vs. VFSNX - Volatility Comparison
Calvert International Opportunities Fund (COIIX) and Vanguard FTSE All-World ex-US Small-Cap Index Fund Institutional Shares (VFSNX) have volatilities of 5.87% and 6.02%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COIIX | VFSNX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.87% | 6.02% | -0.15% |
Volatility (6M)Calculated over the trailing 6-month period | 9.63% | 9.85% | -0.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.87% | 14.43% | +0.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.81% | 14.85% | +1.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.91% | 15.66% | +1.25% |