MIEKX vs. BDOAX

Last updated Apr 1, 2026

Compare and contrast key facts about MFS International Equity Fund Class R6 (MIEKX) and iShares MSCI Total International Index Fund Class A (BDOAX).

MIEKX is an actively managed fund by MFS. It was launched on Jan 31, 1996. BDOAX is a passively managed fund by iShares that tracks the performance of the MSCI All Country World ex US Index (Net TR) (USD). It was launched on Jun 30, 2011.

Performance

MIEKX vs. BDOAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS International Equity Fund Class R6 (MIEKX) and iShares MSCI Total International Index Fund Class A (BDOAX). The values are adjusted to include any dividend payments, if applicable.

MIEKX vs. BDOAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MIEKX MFS International Equity Fund Class R6	-6.59%	23.12%	4.02%	5.55%
BDOAX iShares MSCI Total International Index Fund Class A	-1.27%	32.20%	5.02%	5.83%

Returns By Period

In the year-to-date period, MIEKX achieves a -6.59% return, which is significantly lower than BDOAX's -1.27% return.

MIEKX

• 1D: 0.48%
• 1M: -10.88%
• YTD: -6.59%
• 6M: -3.52%
• 1Y: 7.89%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BDOAX

• 1D: -0.08%
• 1M: -11.12%
• YTD: -1.27%
• 6M: 3.25%
• 1Y: 22.97%
• 3Y*: 13.74%
• 5Y*: 6.35%
• 10Y*: 7.93%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MIEKX vs. BDOAX - Expense Ratio Comparison

MIEKX has a 0.73% expense ratio, which is higher than BDOAX's 0.41% expense ratio.

MIEKX

MFS International Equity Fund Class R6

BDOAX

iShares MSCI Total International Index Fund Class A

Return for Risk

MIEKX vs. BDOAX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MIEKX

MIEKX Risk / Return Rank: 16
MIEKX Sharpe Ratio Rank: 16
MIEKX Sortino Ratio Rank: 14
MIEKX Omega Ratio Rank: 14
MIEKX Calmar Ratio Rank: 17
MIEKX Martin Ratio Rank: 18

BDOAX

BDOAX Risk / Return Rank: 74
BDOAX Sharpe Ratio Rank: 76
BDOAX Sortino Ratio Rank: 73
BDOAX Omega Ratio Rank: 72
BDOAX Calmar Ratio Rank: 76
BDOAX Martin Ratio Rank: 74

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MIEKX vs. BDOAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS International Equity Fund Class R6 (MIEKX) and iShares MSCI Total International Index Fund Class A (BDOAX). 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.

	MIEKX	BDOAX	Difference
Sharpe ratio Return per unit of total volatility	0.45	1.38	-0.93
Sortino ratio Return per unit of downside risk	0.67	1.87	-1.20
Omega ratio Gain probability vs. loss probability	1.09	1.28	-0.18
Calmar ratio Return relative to maximum drawdown	0.51	1.82	-1.31
Martin ratio Return relative to average drawdown	1.89	7.15	-5.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MIEKX vs. BDOAX - Sharpe Ratio Comparison

The current MIEKX Sharpe Ratio is 0.45, which is lower than the BDOAX Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of MIEKX and BDOAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MIEKX	BDOAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.45	1.38	-0.93
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.42	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.49	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.29	+0.36

Correlation

The correlation between MIEKX and BDOAX is 0.91, 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

MIEKX vs. BDOAX - Dividend Comparison

MIEKX's dividend yield for the trailing twelve months is around 2.78%, more than BDOAX's 2.22% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MIEKX MFS International Equity Fund Class R6	2.78%	2.60%	1.41%	1.67%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
BDOAX iShares MSCI Total International Index Fund Class A	2.22%	2.84%	2.62%	2.74%	2.61%	2.46%	1.79%	2.85%	3.05%	1.65%	3.33%	3.78%

Drawdowns

MIEKX vs. BDOAX - Drawdown Comparison

The maximum MIEKX drawdown since its inception was -13.42%, smaller than the maximum BDOAX drawdown of -35.53%. Use the drawdown chart below to compare losses from any high point for MIEKX and BDOAX.

Drawdown Indicators

	MIEKX	BDOAX	Difference
Max Drawdown Largest peak-to-trough decline	-13.42%	-35.53%	+22.11%
Max Drawdown (1Y) Largest decline over 1 year	-11.30%	-11.37%	+0.07%
Max Drawdown (5Y) Largest decline over 5 years	—	-30.54%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-35.53%	—
Current Drawdown Current decline from peak	-10.88%	-11.37%	+0.49%
Average Drawdown Average peak-to-trough decline	-2.79%	-8.80%	+6.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.05%	2.89%	+0.16%

Volatility

MIEKX vs. BDOAX - Volatility Comparison

The current volatility for MFS International Equity Fund Class R6 (MIEKX) is 6.03%, while iShares MSCI Total International Index Fund Class A (BDOAX) has a volatility of 7.06%. This indicates that MIEKX experiences smaller price fluctuations and is considered to be less risky than BDOAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MIEKX	BDOAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.03%	7.06%	-1.03%
Volatility (6M) Calculated over the trailing 6-month period	9.42%	10.82%	-1.40%
Volatility (1Y) Calculated over the trailing 1-year period	14.87%	16.08%	-1.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.08%	15.19%	-2.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.08%	16.16%	-3.08%