EWX vs. ECOW

Last updated Jun 24, 2026

EWX (SPDR S&P Emerging Markets Small Cap ETF) and ECOW (Pacer Emerging Markets Cash Cows 100 ETF) are both Emerging Markets Equities funds - EWX tracks the S&P Emerging Markets Under USD2 Billion Index while ECOW tracks the Pacer Emerging Markets Cash Cows 100 Index. Both are passively managed. Over the past 5 years, EWX returned 6.92%/yr vs 5.74%/yr for ECOW. A 0.69 correlation means they provide meaningful diversification when combined. EWX charges 0.65%/yr vs 0.70%/yr for ECOW.

Performance

EWX vs. ECOW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P Emerging Markets Small Cap ETF (EWX) and Pacer Emerging Markets Cash Cows 100 ETF (ECOW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EWX achieves a 13.61% return, which is significantly higher than ECOW's 8.95% return.

EWX

• 1D: -3.18%
• 1M: 0.57%
• YTD: 13.61%
• 6M: 14.14%
• 1Y: 28.18%
• 3Y*: 15.75%
• 5Y*: 6.92%
• 10Y*: 10.00%

ECOW

• 1D: -0.95%
• 1M: -3.09%
• YTD: 8.95%
• 6M: 8.43%
• 1Y: 30.63%
• 3Y*: 17.90%
• 5Y*: 5.74%
• 10Y*: —

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

EWX vs. ECOW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
EWX SPDR S&P Emerging Markets Small Cap ETF	13.61%	15.46%	6.81%	18.13%	-15.00%	18.15%	14.84%	4.49%
ECOW Pacer Emerging Markets Cash Cows 100 ETF	8.95%	32.50%	3.17%	15.79%	-19.28%	7.47%	-2.51%	10.37%

Correlation

The correlation between EWX and ECOW is 0.75, 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	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.77
Correlation (All Time) Calculated using the full available price history since May 6, 2019	0.69

The correlation between EWX and ECOW has been stable across timeframes, ranging from 0.69 to 0.77 - a consistent structural relationship.

EWX vs. ECOW - Sectors Allocation Comparison

Sectors	EWX	ECOW
Technology	16.8%	10.3%
Industrials	9.8%	15.0%
Basic Materials	6.1%	8.4%
Consumer Cyclical	5.4%	10.7%
Financial Services	5.0%	-
Healthcare	3.1%	0.9%
Consumer Defensive	2.3%	9.1%
Real Estate	2.3%	-
Energy	1.9%	9.8%
Utilities	1.2%	6.2%
Communication Services	0.8%	15.1%

Return for Risk

EWX vs. ECOW — Risk / Return Rank

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

EWX

EWX Risk / Return Rank: 60
EWX Sharpe Ratio Rank: 55
EWX Sortino Ratio Rank: 52
EWX Omega Ratio Rank: 55
EWX Calmar Ratio Rank: 74
EWX Martin Ratio Rank: 63

ECOW

ECOW Risk / Return Rank: 69
ECOW Sharpe Ratio Rank: 69
ECOW Sortino Ratio Rank: 65
ECOW Omega Ratio Rank: 68
ECOW Calmar Ratio Rank: 77
ECOW Martin Ratio Rank: 68

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.

EWX vs. ECOW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Emerging Markets Small Cap ETF (EWX) and Pacer Emerging Markets Cash Cows 100 ETF (ECOW). 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.

	EWX	ECOW	Difference
Sharpe ratio: Return per unit of total volatility	1.76	2.08	-0.33
Sortino ratio: Return per unit of downside risk	2.37	2.82	-0.44
Omega ratio: Gain probability vs. loss probability	1.33	1.38	-0.05
Calmar ratio: Return relative to maximum drawdown	3.55	3.69	-0.14
Martin ratio: Return relative to average drawdown	10.92	11.56	-0.65

EWX vs. ECOW - Sharpe Ratio Comparison

The current EWX Sharpe Ratio is 1.76, which is comparable to the ECOW Sharpe Ratio of 2.08. The chart below compares the historical Sharpe Ratios of EWX and ECOW, 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

EWX vs. ECOW - Drawdown Comparison

The maximum EWX drawdown since its inception was -63.90%, which is greater than ECOW's maximum drawdown of -40.27%. Use the drawdown chart below to compare losses from any high point for EWX and ECOW.

Drawdown Indicators

	EWX	ECOW	Difference
Max Drawdown Largest peak-to-trough decline	-63.90%	-40.27%	-23.63%
Max Drawdown (1Y) Largest decline over 1 year	-7.98%	-8.35%	+0.37%
Max Drawdown (3Y) Largest decline over 3 years	-21.37%	-18.77%	-2.60%
Max Drawdown (5Y) Largest decline over 5 years	-24.67%	-33.30%	+8.63%
Max Drawdown (10Y) Largest decline over 10 years	-43.00%	—	—
Current Drawdown Current decline from peak	-3.18%	-7.07%	+3.89%
Average Drawdown Average peak-to-trough decline	-13.14%	-11.02%	-2.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.59%	2.66%	-0.07%

Volatility

EWX vs. ECOW - Volatility Comparison

SPDR S&P Emerging Markets Small Cap ETF (EWX) has a higher volatility of 8.08% compared to Pacer Emerging Markets Cash Cows 100 ETF (ECOW) at 5.40%. This indicates that EWX's price experiences larger fluctuations and is considered to be riskier than ECOW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EWX	ECOW	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.08%	5.40%	+2.68%
Volatility (6M) Calculated over the trailing 6-month period	14.09%	11.78%	+2.31%
Volatility (1Y) Calculated over the trailing 1-year period	16.12%	14.78%	+1.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.51%	17.75%	-2.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.17%	20.13%	-2.96%

EWX vs. ECOW - Expense Ratio Comparison

EWX has a 0.65% expense ratio, which is lower than ECOW's 0.70% expense ratio.

Dividends

EWX vs. ECOW - Dividend Comparison

EWX's dividend yield for the trailing twelve months is around 2.49%, less than ECOW's 4.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ECOW Pacer Emerging Markets Cash Cows 100 ETF	4.61%	5.20%	7.35%	5.46%	7.50%	4.39%	3.35%	8.08%	0.00%	0.00%	0.00%	0.00%
EWX SPDR S&P Emerging Markets Small Cap ETF	2.49%	2.91%	2.90%	2.32%	3.00%	2.77%	2.24%	2.73%	3.26%	2.30%	2.46%	3.04%

Frequently Asked Questions

Can I hold both EWX and ECOW in my portfolio?

EWX and ECOW have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EWX or ECOW?

EWX has higher volatility (8.08%) compared to ECOW (5.40%). In terms of maximum drawdown, EWX dropped -63.90% vs ECOW's -40.27%.

Which ETF is better, EWX or ECOW?

On 5-year performance, EWX leads with 6.92% vs 5.74% for ECOW. On fees, EWX is cheaper at 0.65% per year. On volatility, ECOW has been the lower-risk option at 5.40%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, EWX or ECOW?

Over the 5-year period, EWX has performed better with a 6.92% return vs 5.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, EWX or ECOW?

EWX is cheaper with a 0.65% expense ratio, compared with 0.70% for ECOW.

Which ETF pays a higher dividend yield, EWX or ECOW?

ECOW has the higher dividend yield at 4.61%, compared with 2.49% for EWX.

What is the main difference between EWX and ECOW?

EWX tracks S&P Emerging Markets Under USD2 Billion Index, while ECOW tracks Pacer Emerging Markets Cash Cows 100 Index. They also come from different issuers: State Street and Pacer. Their fees differ too: 0.65% for EWX and 0.70% for ECOW.

Which has better risk-adjusted returns?

ECOW currently has the higher Sharpe Ratio (2.08 vs 1.76), 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.