SFENX vs. WXCIX

Last updated Jun 24, 2026

SFENX (Schwab Fundamental Emerging Markets Equity Index Fund) and WXCIX (William Blair Emerging Markets ex China Growth Fund Class I) are both Emerging Markets Equities funds. SFENX is passively managed, while WXCIX is actively managed. Over the past 3 years, SFENX returned 20.69%/yr vs 36.89%/yr for WXCIX. A 0.55 correlation means they provide meaningful diversification when combined. SFENX charges 0.39%/yr vs 0.99%/yr for WXCIX.

Performance

SFENX vs. WXCIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Fundamental Emerging Markets Equity Index Fund (SFENX) and William Blair Emerging Markets ex China Growth Fund Class I (WXCIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SFENX achieves a 13.84% return, which is significantly lower than WXCIX's 59.62% return.

SFENX

• 1D: 0.23%
• 1M: 1.33%
• YTD: 13.84%
• 6M: 14.25%
• 1Y: 32.69%
• 3Y*: 20.69%
• 5Y*: 9.76%
• 10Y*: 11.13%

WXCIX

• 1D: 1.43%
• 1M: 11.87%
• YTD: 59.62%
• 6M: 63.51%
• 1Y: 97.34%
• 3Y*: 36.89%
• 5Y*: —
• 10Y*: —

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

SFENX vs. WXCIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SFENX Schwab Fundamental Emerging Markets Equity Index Fund	13.84%	29.19%	12.31%	7.45%
WXCIX William Blair Emerging Markets ex China Growth Fund Class I	59.62%	28.21%	13.49%	15.55%

Correlation

The correlation between SFENX and WXCIX is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.55
Correlation (All Time) Calculated using the full available price history since May 17, 2023	0.55

The correlation between SFENX and WXCIX has been stable across timeframes, ranging from 0.55 to 0.57 - a consistent structural relationship.

Return for Risk

SFENX vs. WXCIX — Risk / Return Rank

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

SFENX

SFENX Risk / Return Rank: 75
SFENX Sharpe Ratio Rank: 80
SFENX Sortino Ratio Rank: 73
SFENX Omega Ratio Rank: 75
SFENX Calmar Ratio Rank: 81
SFENX Martin Ratio Rank: 67

WXCIX

WXCIX Risk / Return Rank: 96
WXCIX Sharpe Ratio Rank: 99
WXCIX Sortino Ratio Rank: 94
WXCIX Omega Ratio Rank: 93
WXCIX Calmar Ratio Rank: 97
WXCIX Martin Ratio Rank: 96

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.

SFENX vs. WXCIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Fundamental Emerging Markets Equity Index Fund (SFENX) and William Blair Emerging Markets ex China Growth Fund Class I (WXCIX). 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.

	SFENX	WXCIX	Difference
Sharpe ratio: Return per unit of total volatility	2.41	3.86	-1.45
Sortino ratio: Return per unit of downside risk	3.24	4.48	-1.25
Omega ratio: Gain probability vs. loss probability	1.44	1.66	-0.22
Calmar ratio: Return relative to maximum drawdown	3.52	6.59	-3.07
Martin ratio: Return relative to average drawdown	12.26	22.88	-10.62

SFENX vs. WXCIX - Sharpe Ratio Comparison

The current SFENX Sharpe Ratio is 2.41, which is lower than the WXCIX Sharpe Ratio of 3.86. The chart below compares the historical Sharpe Ratios of SFENX and WXCIX, 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

SFENX vs. WXCIX - Drawdown Comparison

The maximum SFENX drawdown since its inception was -47.19%, which is greater than WXCIX's maximum drawdown of -19.66%. Use the drawdown chart below to compare losses from any high point for SFENX and WXCIX.

Drawdown Indicators

	SFENX	WXCIX	Difference
Max Drawdown Largest peak-to-trough decline	-47.19%	-19.66%	-27.53%
Max Drawdown (1Y) Largest decline over 1 year	-9.45%	-14.78%	+5.33%
Max Drawdown (3Y) Largest decline over 3 years	-16.51%	-19.66%	+3.15%
Max Drawdown (5Y) Largest decline over 5 years	-29.26%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-39.59%	—	—
Current Drawdown Current decline from peak	-2.93%	0.00%	-2.93%
Average Drawdown Average peak-to-trough decline	-12.86%	-3.15%	-9.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.71%	4.24%	-1.53%

Volatility

SFENX vs. WXCIX - Volatility Comparison

The current volatility for Schwab Fundamental Emerging Markets Equity Index Fund (SFENX) is 5.29%, while William Blair Emerging Markets ex China Growth Fund Class I (WXCIX) has a volatility of 13.23%. This indicates that SFENX experiences smaller price fluctuations and is considered to be less risky than WXCIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SFENX	WXCIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.29%	13.23%	-7.94%
Volatility (6M) Calculated over the trailing 6-month period	11.50%	22.52%	-11.02%
Volatility (1Y) Calculated over the trailing 1-year period	13.82%	25.32%	-11.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.49%	19.03%	-3.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.89%	19.03%	-2.14%

SFENX vs. WXCIX - Expense Ratio Comparison

SFENX has a 0.39% expense ratio, which is lower than WXCIX's 0.99% expense ratio.

Dividends

SFENX vs. WXCIX - Dividend Comparison

SFENX's dividend yield for the trailing twelve months is around 3.45%, which matches WXCIX's 3.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SFENX Schwab Fundamental Emerging Markets Equity Index Fund	3.45%	3.93%	4.67%	5.00%	5.46%	4.61%	2.95%	3.82%	2.90%	2.37%	2.16%	3.23%
WXCIX William Blair Emerging Markets ex China Growth Fund Class I	3.46%	5.52%	0.00%	0.83%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SFENX and WXCIX in my portfolio?

SFENX and WXCIX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SFENX or WXCIX?

WXCIX has higher volatility (13.23%) compared to SFENX (5.29%). In terms of maximum drawdown, SFENX dropped -47.19% vs WXCIX's -19.66%.

Which has better risk-adjusted returns?

WXCIX currently has the higher Sharpe Ratio (3.86 vs 2.41), 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.