COHR vs. EMDM
COHR (Coherent, Inc.) is a stock, while EMDM (First Trust Bloomberg Emerging Market Democracies ETF) is Emerging Markets Diversified fund tracking the Bloomberg Emerging Market Democracies Index - Benchmark TR Net. Over the past 3 years, COHR returned 107.95%/yr vs 30.34%/yr for EMDM. A 0.51 correlation means they provide meaningful diversification when combined.
Performance
COHR vs. EMDM - Performance Comparison
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Returns By Period
In the year-to-date period, COHR achieves a 108.61% return, which is significantly higher than EMDM's 36.28% return.
COHR
- 1D
- 5.90%
- 1M
- 0.67%
- YTD
- 108.61%
- 6M
- 115.90%
- 1Y
- 397.65%
- 3Y*
- 107.95%
- 5Y*
- 40.59%
- 10Y*
- 34.35%
EMDM
- 1D
- 0.70%
- 1M
- 6.11%
- YTD
- 36.28%
- 6M
- 42.03%
- 1Y
- 83.08%
- 3Y*
- 30.34%
- 5Y*
- —
- 10Y*
- —
COHR vs. EMDM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
COHR Coherent, Inc. | 108.61% | 94.84% | 117.62% | 1.49% |
EMDM First Trust Bloomberg Emerging Market Democracies ETF | 36.28% | 59.68% | -4.93% | 14.75% |
Correlation
The correlation between COHR and EMDM is 0.50, 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 | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.52 |
Correlation (All Time) Calculated using the full available price history since Mar 3, 2023 | 0.51 |
The correlation between COHR and EMDM has been stable across timeframes, ranging from 0.50 to 0.52 - a consistent structural relationship.
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Return for Risk
COHR vs. EMDM — Risk / Return Rank
COHR
EMDM
COHR vs. EMDM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Coherent, Inc. (COHR) and First Trust Bloomberg Emerging Market Democracies ETF (EMDM). 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.
| COHR | EMDM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.93 | ||
| Sortino ratioReturn per unit of downside risk | +0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.54 | 1.55 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 14.28 | 5.18 | +9.10 |
| Martin ratioReturn relative to average drawdown | 39.14 | 20.59 | +18.55 |
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Drawdowns
COHR vs. EMDM - Drawdown Comparison
The maximum COHR drawdown since its inception was -80.89%, which is greater than EMDM's maximum drawdown of -18.81%. Use the drawdown chart below to compare losses from any high point for COHR and EMDM.
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Drawdown Indicators
| COHR | EMDM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.89% | -18.81% | -62.08% |
Max Drawdown (1Y)Largest decline over 1 year | -26.52% | -15.65% | -10.87% |
Max Drawdown (3Y)Largest decline over 3 years | -54.85% | -18.81% | -36.04% |
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 | -9.81% | -3.27% | -6.54% |
Average DrawdownAverage peak-to-trough decline | -35.02% | -4.08% | -30.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.66% | 3.93% | +5.73% |
Volatility
COHR vs. EMDM - Volatility Comparison
Coherent, Inc. (COHR) has a higher volatility of 27.87% compared to First Trust Bloomberg Emerging Market Democracies ETF (EMDM) at 12.16%. This indicates that COHR's price experiences larger fluctuations and is considered to be riskier than EMDM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COHR | EMDM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 27.87% | 12.16% | +15.71% |
Volatility (6M)Calculated over the trailing 6-month period | 57.45% | 22.86% | +34.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 73.72% | 25.23% | +48.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 61.62% | 20.36% | +41.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 56.55% | 20.36% | +36.19% |
Dividends
COHR vs. EMDM - Dividend Comparison
COHR has not paid dividends to shareholders, while EMDM's dividend yield for the trailing twelve months is around 2.62%.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
COHR Coherent, Inc. | 0.00% | 0.00% | 0.00% | 0.00% |
EMDM First Trust Bloomberg Emerging Market Democracies ETF | 2.62% | 3.57% | 5.87% | 2.16% |
Frequently Asked Questions
COHR and EMDM have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (27.87%) compared to EMDM (12.16%). In terms of maximum drawdown, COHR dropped -80.89% vs EMDM's -18.81%.
COHR currently has the higher Sharpe Ratio (5.14 vs 3.21), 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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