COHR vs. VEA

Last updated Jun 13, 2026

COHR (Coherent, Inc.) is a stock, while VEA (Vanguard FTSE Developed Markets ETF) is Foreign Large Cap Equities fund tracking the FTSE Developed All Cap ex US Index. Over the past 10 years, COHR returned 34.35%/yr vs 10.72%/yr for VEA. A 0.52 correlation means they provide meaningful diversification when combined.

Performance

COHR vs. VEA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Coherent, Inc. (COHR) and Vanguard FTSE Developed Markets ETF (VEA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COHR achieves a 108.61% return, which is significantly higher than VEA's 14.73% return. Over the past 10 years, COHR has outperformed VEA with an annualized return of 34.35%, while VEA has yielded a comparatively lower 10.72% annualized 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%

VEA

• 1D: 0.34%
• 1M: 3.58%
• YTD: 14.73%
• 6M: 16.65%
• 1Y: 31.41%
• 3Y*: 19.03%
• 5Y*: 9.51%
• 10Y*: 10.72%

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

COHR vs. VEA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COHR Coherent, Inc.	108.61%	94.84%	117.62%	24.02%	-48.63%	-10.04%	125.60%	3.73%	-30.86%	58.35%
VEA Vanguard FTSE Developed Markets ETF	14.73%	35.16%	3.15%	17.93%	-15.34%	11.66%	9.71%	22.62%	-14.75%	26.42%

Correlation

The correlation between COHR and VEA is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.45
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (10Y) Calculated over the trailing 10-year period	0.50
Correlation (All Time) Calculated using the full available price history since Jul 26, 2007	0.52

The correlation between COHR and VEA has been stable across timeframes, ranging from 0.45 to 0.52 - a consistent structural relationship.

Return for Risk

COHR vs. VEA — Risk / Return Rank

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

COHR

COHR Risk / Return Rank: 97
COHR Sharpe Ratio Rank: 99
COHR Sortino Ratio Rank: 95
COHR Omega Ratio Rank: 95
COHR Calmar Ratio Rank: 99
COHR Martin Ratio Rank: 99

VEA

VEA Risk / Return Rank: 62
VEA Sharpe Ratio Rank: 63
VEA Sortino Ratio Rank: 62
VEA Omega Ratio Rank: 63
VEA Calmar Ratio Rank: 59
VEA Martin Ratio Rank: 63

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.

COHR vs. VEA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Coherent, Inc. (COHR) and Vanguard FTSE Developed Markets ETF (VEA). 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	VEA	Difference
Sharpe ratio: Return per unit of total volatility	5.14	1.81	+3.33
Sortino ratio: Return per unit of downside risk	3.90	2.50	+1.40
Omega ratio: Gain probability vs. loss probability	1.54	1.33	+0.21
Calmar ratio: Return relative to maximum drawdown	14.28	2.58	+11.70
Martin ratio: Return relative to average drawdown	39.14	9.92	+29.22

COHR vs. VEA - Sharpe Ratio Comparison

The current COHR Sharpe Ratio is 5.14, which is higher than the VEA Sharpe Ratio of 1.81. The chart below compares the historical Sharpe Ratios of COHR and VEA, 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

COHR vs. VEA - Drawdown Comparison

The maximum COHR drawdown since its inception was -80.89%, which is greater than VEA's maximum drawdown of -60.68%. Use the drawdown chart below to compare losses from any high point for COHR and VEA.

Drawdown Indicators

	COHR	VEA	Difference
Max Drawdown Largest peak-to-trough decline	-80.89%	-60.68%	-20.21%
Max Drawdown (1Y) Largest decline over 1 year	-26.52%	-11.63%	-14.89%
Max Drawdown (3Y) Largest decline over 3 years	-54.85%	-13.45%	-41.40%
Max Drawdown (5Y) Largest decline over 5 years	-62.87%	-29.71%	-33.16%
Max Drawdown (10Y) Largest decline over 10 years	-72.22%	-35.73%	-36.49%
Current Drawdown Current decline from peak	-9.81%	-1.06%	-8.75%
Average Drawdown Average peak-to-trough decline	-35.02%	-13.28%	-21.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.66%	3.02%	+6.64%

Volatility

COHR vs. VEA - Volatility Comparison

Coherent, Inc. (COHR) has a higher volatility of 27.87% compared to Vanguard FTSE Developed Markets ETF (VEA) at 6.84%. This indicates that COHR's price experiences larger fluctuations and is considered to be riskier than VEA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COHR	VEA	Difference
Volatility (1M) Calculated over the trailing 1-month period	27.87%	6.84%	+21.03%
Volatility (6M) Calculated over the trailing 6-month period	57.45%	14.38%	+43.07%
Volatility (1Y) Calculated over the trailing 1-year period	73.72%	16.58%	+57.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.62%	16.72%	+44.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	56.55%	17.40%	+39.15%

Dividends

COHR vs. VEA - Dividend Comparison

COHR has not paid dividends to shareholders, while VEA's dividend yield for the trailing twelve months is around 2.62%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COHR Coherent, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VEA Vanguard FTSE Developed Markets ETF	2.62%	3.22%	3.35%	3.15%	2.91%	3.16%	2.04%	3.04%	3.35%	2.77%	3.05%	2.92%

Frequently Asked Questions

Can I hold both COHR and VEA in my portfolio?

COHR and VEA have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COHR or VEA?

COHR has higher volatility (27.87%) compared to VEA (6.84%). In terms of maximum drawdown, COHR dropped -80.89% vs VEA's -60.68%.

Which has better risk-adjusted returns?

COHR currently has the higher Sharpe Ratio (5.14 vs 1.81), 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.