WBEIX vs. EITEX

Last updated Aug 1, 2026

WBEIX (William Blair Emerging Markets Growth Fund) and EITEX (Parametric Tax-Managed Emerging Markets Fund) are both Emerging Markets Equities funds. Over the past 10 years, WBEIX returned 9.39%/yr vs 6.67%/yr for EITEX. Their correlation of 0.85 means they have usually moved in the same direction. WBEIX charges 1.11%/yr vs 0.96%/yr for EITEX.

Performance

WBEIX vs. EITEX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in William Blair Emerging Markets Growth Fund (WBEIX) and Parametric Tax-Managed Emerging Markets Fund (EITEX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WBEIX achieves a 18.40% return, which is significantly higher than EITEX's 9.06% return. Over the past 10 years, WBEIX has outperformed EITEX with an annualized return of 9.39%, while EITEX has yielded a comparatively lower 6.67% annualized return.

WBEIX

• 1D: 4.01%
• 1M: -9.30%
• 6M: 8.36%
• YTD: 18.40%
• 1Y: 36.99%
• 3Y*: 18.57%
• 5Y*: 3.57%
• 10Y*: 9.39%
• ALL TIME*: 8.35%

EITEX

• 1D: 1.90%
• 1M: 0.59%
• 6M: 1.44%
• YTD: 9.06%
• 1Y: 21.79%
• 3Y*: 13.29%
• 5Y*: 7.08%
• 10Y*: 6.67%
• ALL TIME*: 8.71%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
EITEX Parametric Tax-Managed Emerging Markets Fund	$0.00	$0.00	$0.00
WBEIX William Blair Emerging Markets Growth Fund	$0.00	$0.00	$0.00

WBEIX vs. EITEX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WBEIX William Blair Emerging Markets Growth Fund	18.40%	25.18%	10.62%	10.23%	-33.15%	3.23%	40.77%	28.36%	-21.31%	48.82%
EITEX Parametric Tax-Managed Emerging Markets Fund	9.06%	28.58%	4.67%	10.69%	-12.11%	4.47%	4.51%	12.51%	-13.20%	27.10%

Correlation

The correlation between WBEIX and EITEX is 0.73, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.73
Correlation (3Y) Balances recent behavior with more history.	0.73
Correlation (5Y) Shows whether the relationship held over a longer period.	0.75
Correlation (10Y) Provides a long-term view across more market conditions.	0.77
Correlation (All Time) Calculated using the full available price history since Jun 7, 2005	0.85

The correlation between WBEIX and EITEX shifts across timeframes, from 0.73 (3 years) to 0.85 (all time), reflecting how their relationship changes across market environments.

Return for Risk

WBEIX vs. EITEX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

WBEIX

WBEIX Risk / Return Rank: 45
WBEIX Sharpe Ratio Rank: 47
WBEIX Sortino Ratio Rank: 41
WBEIX Omega Ratio Rank: 47
WBEIX Calmar Ratio Rank: 45
WBEIX Martin Ratio Rank: 45

EITEX

EITEX Risk / Return Rank: 61
EITEX Sharpe Ratio Rank: 65
EITEX Sortino Ratio Rank: 61
EITEX Omega Ratio Rank: 69
EITEX Calmar Ratio Rank: 62
EITEX Martin Ratio Rank: 49

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

WBEIX vs. EITEX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for William Blair Emerging Markets Growth Fund (WBEIX) and Parametric Tax-Managed Emerging Markets Fund (EITEX). 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.

	WBEIX	EITEX	Difference
Sharpe ratio: Return per unit of total volatility	1.36	1.54	-0.18
Sortino ratio: Return per unit of downside risk	1.84	2.13	-0.29
Omega ratio: Gain probability vs. loss probability	1.25	1.30	-0.05
Calmar ratio: Return relative to maximum drawdown	1.83	2.06	-0.23
Martin ratio: Return relative to average drawdown	6.64	6.75	-0.12

WBEIX vs. EITEX - Sharpe Ratio Comparison

The current WBEIX Sharpe Ratio is 1.36, which is comparable to the EITEX Sharpe Ratio of 1.54. The chart below compares the historical Sharpe Ratios of WBEIX and EITEX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

WBEIX vs. EITEX - Drawdown Comparison

The maximum WBEIX drawdown since its inception was -71.18%, which is greater than EITEX's maximum drawdown of -61.70%. Use the drawdown chart below to compare losses from any high point for WBEIX and EITEX.

Drawdown Indicators

	WBEIX	EITEX	Difference
Max Drawdown Largest peak-to-trough decline	-71.18%	-61.70%	-9.48%
Max Drawdown (1Y) Largest decline over 1 year	-19.23%	-9.88%	-9.35%
Max Drawdown (3Y) Largest decline over 3 years	-19.64%	-11.86%	-7.78%
Max Drawdown (5Y) Largest decline over 5 years	-40.86%	-25.58%	-15.28%
Max Drawdown (10Y) Largest decline over 10 years	-43.75%	-43.10%	-0.65%
Current Drawdown Current decline from peak	-15.99%	-3.67%	-12.32%
Average Drawdown Average peak-to-trough decline	-21.36%	-13.87%	-7.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.30%	3.01%	+2.29%

Volatility

WBEIX vs. EITEX - Volatility Comparison

William Blair Emerging Markets Growth Fund (WBEIX) has a higher volatility of 10.72% compared to Parametric Tax-Managed Emerging Markets Fund (EITEX) at 4.18%. This indicates that WBEIX's price experiences larger fluctuations and is considered to be riskier than EITEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WBEIX	EITEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.72%	4.18%	+6.54%
Volatility (6M) Calculated over the trailing 6-month period	23.15%	11.82%	+11.33%
Volatility (1Y) Calculated over the trailing 1-year period	25.95%	13.23%	+12.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.04%	12.53%	+5.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.41%	13.74%	+4.67%

WBEIX vs. EITEX - Expense Ratio Comparison

WBEIX has a 1.11% expense ratio, which is higher than EITEX's 0.96% expense ratio.

Dividends

WBEIX vs. EITEX - Dividend Comparison

WBEIX's dividend yield for the trailing twelve months is around 0.34%, less than EITEX's 4.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EITEX Parametric Tax-Managed Emerging Markets Fund	4.38%	4.77%	4.58%	5.85%	10.39%	9.72%	1.79%	2.63%	2.26%	1.80%	1.67%	2.11%
WBEIX William Blair Emerging Markets Growth Fund	0.34%	0.41%	0.10%	0.53%	0.16%	21.21%	4.12%	4.31%	14.57%	0.94%	0.45%	1.11%

Frequently Asked Questions

Can I hold both WBEIX and EITEX in my portfolio?

WBEIX and EITEX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WBEIX or EITEX?

WBEIX has higher volatility (10.72%) compared to EITEX (4.18%). In terms of maximum drawdown, WBEIX dropped -71.18% vs EITEX's -61.70%.

Which has better risk-adjusted returns?

EITEX currently has the higher Sharpe Ratio (1.54 vs 1.36), 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.