ROKT vs. MEMX
ROKT (SPDR S&P Kensho Final Frontiers ETF) and MEMX (Matthews Emerging Markets Ex China Active ETF) are both exchange-traded funds - ROKT is a Industrials Equities fund tracking the S&P Kensho Final Frontiers Index, while MEMX is a Emerging Markets Diversified fund actively managed by Matthews. ROKT is passively managed, while MEMX is actively managed. Over the past 3 years, ROKT returned 41.32%/yr vs 25.86%/yr for MEMX. A 0.57 correlation means they provide meaningful diversification when combined. ROKT charges 0.45%/yr vs 0.79%/yr for MEMX.
Performance
ROKT vs. MEMX - Performance Comparison
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Returns By Period
In the year-to-date period, ROKT achieves a 41.07% return, which is significantly higher than MEMX's 34.10% return.
ROKT
- 1D
- -0.04%
- 1M
- 2.04%
- YTD
- 41.07%
- 6M
- 45.45%
- 1Y
- 96.86%
- 3Y*
- 41.32%
- 5Y*
- 23.72%
- 10Y*
- —
MEMX
- 1D
- 3.31%
- 1M
- 8.49%
- YTD
- 34.10%
- 6M
- 43.05%
- 1Y
- 68.84%
- 3Y*
- 25.86%
- 5Y*
- —
- 10Y*
- —
ROKT vs. MEMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
ROKT SPDR S&P Kensho Final Frontiers ETF | 41.07% | 50.56% | 27.89% | 10.83% |
MEMX Matthews Emerging Markets Ex China Active ETF | 34.10% | 35.88% | 5.50% | 11.33% |
Correlation
The correlation between ROKT and MEMX is 0.52, 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 | 0.52 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since Jan 11, 2023 | 0.57 |
The correlation between ROKT and MEMX has been stable across timeframes, ranging from 0.52 to 0.57 - a consistent structural relationship.
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Return for Risk
ROKT vs. MEMX — Risk / Return Rank
ROKT
MEMX
ROKT vs. MEMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Kensho Final Frontiers ETF (ROKT) and Matthews Emerging Markets Ex China Active ETF (MEMX). 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.
| ROKT | MEMX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.21 | ||
| Sortino ratioReturn per unit of downside risk | +0.14 | ||
| Omega ratioGain probability vs. loss probability | 1.48 | 1.53 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 6.38 | 4.71 | +1.67 |
| Martin ratioReturn relative to average drawdown | 25.67 | 18.06 | +7.61 |
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Drawdowns
ROKT vs. MEMX - Drawdown Comparison
The maximum ROKT drawdown since its inception was -43.16%, which is greater than MEMX's maximum drawdown of -19.27%. Use the drawdown chart below to compare losses from any high point for ROKT and MEMX.
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Drawdown Indicators
| ROKT | MEMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.16% | -19.27% | -23.89% |
Max Drawdown (1Y)Largest decline over 1 year | -15.27% | -14.70% | -0.57% |
Max Drawdown (3Y)Largest decline over 3 years | -23.46% | -19.27% | -4.19% |
Max Drawdown (5Y)Largest decline over 5 years | -23.46% | — | — |
Current DrawdownCurrent decline from peak | -12.23% | -0.20% | -12.03% |
Average DrawdownAverage peak-to-trough decline | -6.77% | -3.50% | -3.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.79% | 3.82% | -0.03% |
Volatility
ROKT vs. MEMX - Volatility Comparison
SPDR S&P Kensho Final Frontiers ETF (ROKT) has a higher volatility of 15.94% compared to Matthews Emerging Markets Ex China Active ETF (MEMX) at 12.30%. This indicates that ROKT's price experiences larger fluctuations and is considered to be riskier than MEMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROKT | MEMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.94% | 12.30% | +3.64% |
Volatility (6M)Calculated over the trailing 6-month period | 27.00% | 21.45% | +5.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.03% | 23.60% | +7.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.33% | 17.81% | +5.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.42% | 17.81% | +7.61% |
ROKT vs. MEMX - Expense Ratio Comparison
ROKT has a 0.45% expense ratio, which is lower than MEMX's 0.79% expense ratio.
Dividends
ROKT vs. MEMX - Dividend Comparison
ROKT's dividend yield for the trailing twelve months is around 0.28%, less than MEMX's 3.64% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
MEMX Matthews Emerging Markets Ex China Active ETF | 3.64% | 4.88% | 0.99% | 1.13% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ROKT SPDR S&P Kensho Final Frontiers ETF | 0.28% | 0.41% | 0.57% | 0.62% | 0.54% | 1.79% | 0.48% | 0.74% | 0.16% |
Frequently Asked Questions
ROKT and MEMX have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ROKT has higher volatility (15.94%) compared to MEMX (12.30%). In terms of maximum drawdown, ROKT dropped -43.16% vs MEMX's -19.27%.
On 3-year performance, ROKT leads with 41.32% vs 25.86% for MEMX. On fees, ROKT is cheaper at 0.45% per year. On volatility, MEMX has been the lower-risk option at 12.30%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, ROKT has performed better with a 41.32% return vs 25.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ROKT is cheaper with a 0.45% expense ratio, compared with 0.79% for MEMX.
MEMX has the higher dividend yield at 3.64%, compared with 0.28% for ROKT.
ROKT is categorized as Industrials Equities, while MEMX is Emerging Markets Diversified. They also come from different issuers: State Street and Matthews. Their fees differ too: 0.45% for ROKT and 0.79% for MEMX.
ROKT currently has the higher Sharpe Ratio (3.14 vs 2.94), 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.
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