MEMX vs. COHR
MEMX (Matthews Emerging Markets Ex China Active ETF) is Emerging Markets Diversified fund actively managed by Matthews, while COHR (Coherent, Inc.) is a stock. Over the past 3 years, MEMX returned 25.86%/yr vs 96.11%/yr for COHR. A 0.60 correlation means they provide meaningful diversification when combined.
Performance
MEMX vs. COHR - Performance Comparison
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Returns By Period
In the year-to-date period, MEMX achieves a 34.10% return, which is significantly lower than COHR's 124.22% return.
MEMX
- 1D
- 3.31%
- 1M
- 8.49%
- YTD
- 34.10%
- 6M
- 43.05%
- 1Y
- 68.84%
- 3Y*
- 25.86%
- 5Y*
- —
- 10Y*
- —
COHR
- 1D
- 7.48%
- 1M
- 8.21%
- YTD
- 124.22%
- 6M
- 131.91%
- 1Y
- 434.88%
- 3Y*
- 96.11%
- 5Y*
- 43.17%
- 10Y*
- 35.53%
MEMX vs. COHR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
MEMX Matthews Emerging Markets Ex China Active ETF | 34.10% | 35.88% | 5.50% | 11.33% |
COHR Coherent, Inc. | 124.22% | 94.84% | 117.62% | 11.47% |
Correlation
The correlation between MEMX and COHR is 0.53, 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 | 0.53 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.59 |
Correlation (All Time) Calculated using the full available price history since Jan 11, 2023 | 0.60 |
The correlation between MEMX and COHR has been stable across timeframes, ranging from 0.53 to 0.60 - a consistent structural relationship.
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Return for Risk
MEMX vs. COHR — Risk / Return Rank
MEMX
COHR
MEMX vs. COHR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Matthews Emerging Markets Ex China Active ETF (MEMX) and Coherent, Inc. (COHR). 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.
| MEMX | COHR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.00 | ||
| Sortino ratioReturn per unit of downside risk | -0.58 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.59 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 4.71 | 16.54 | -11.83 |
| Martin ratioReturn relative to average drawdown | 18.06 | 45.32 | -27.26 |
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Drawdowns
MEMX vs. COHR - Drawdown Comparison
The maximum MEMX drawdown since its inception was -19.27%, smaller than the maximum COHR drawdown of -80.89%. Use the drawdown chart below to compare losses from any high point for MEMX and COHR.
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Drawdown Indicators
| MEMX | COHR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.27% | -80.89% | +61.62% |
Max Drawdown (1Y)Largest decline over 1 year | -14.70% | -26.52% | +11.82% |
Max Drawdown (3Y)Largest decline over 3 years | -19.27% | -54.85% | +35.58% |
Max Drawdown (5Y)Largest decline over 5 years | — | -62.87% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -72.22% | — |
Current DrawdownCurrent decline from peak | -0.20% | -3.06% | +2.86% |
Average DrawdownAverage peak-to-trough decline | -3.50% | -35.01% | +31.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.82% | 9.66% | -5.84% |
Volatility
MEMX vs. COHR - Volatility Comparison
The current volatility for Matthews Emerging Markets Ex China Active ETF (MEMX) is 12.30%, while Coherent, Inc. (COHR) has a volatility of 28.85%. This indicates that MEMX experiences smaller price fluctuations and is considered to be less risky than COHR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MEMX | COHR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.30% | 28.85% | -16.55% |
Volatility (6M)Calculated over the trailing 6-month period | 21.45% | 57.84% | -36.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.60% | 73.98% | -50.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.81% | 61.69% | -43.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.81% | 56.62% | -38.81% |
Dividends
MEMX vs. COHR - Dividend Comparison
MEMX's dividend yield for the trailing twelve months is around 3.64%, while COHR has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
COHR Coherent, Inc. | 0.00% | 0.00% | 0.00% | 0.00% |
MEMX Matthews Emerging Markets Ex China Active ETF | 3.64% | 4.88% | 0.99% | 1.13% |
Frequently Asked Questions
MEMX and COHR have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (28.85%) compared to MEMX (12.30%). In terms of maximum drawdown, MEMX dropped -19.27% vs COHR's -80.89%.
COHR currently has the higher Sharpe Ratio (5.94 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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