COHR vs. CRAK

Last updated Jun 5, 2026

COHR (Coherent, Inc.) is a stock, while CRAK (VanEck Oil Refiners ETF) is Energy Equities fund tracking the MVIS Global Oil Refiners Index. Over the past 10 years, COHR returned 35.23%/yr vs 13.22%/yr for CRAK. At a 0.33 correlation, their price movements are largely independent.

Performance

COHR vs. CRAK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Coherent, Inc. (COHR) and VanEck Oil Refiners ETF (CRAK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COHR achieves a 128.59% return, which is significantly higher than CRAK's 32.89% return. Over the past 10 years, COHR has outperformed CRAK with an annualized return of 35.23%, while CRAK has yielded a comparatively lower 13.22% annualized return.

COHR

• 1D: 1.07%
• 1M: 25.67%
• YTD: 128.59%
• 6M: 137.89%
• 1Y: 416.84%
• 3Y*: 123.42%
• 5Y*: 43.54%
• 10Y*: 35.23%

CRAK

• 1D: -0.26%
• 1M: -4.06%
• YTD: 32.89%
• 6M: 27.88%
• 1Y: 67.73%
• 3Y*: 22.75%
• 5Y*: 13.48%
• 10Y*: 13.22%

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

COHR vs. CRAK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COHR Coherent, Inc.	128.59%	94.84%	117.62%	24.02%	-48.63%	-10.04%	125.60%	3.73%	-30.86%	58.35%
CRAK VanEck Oil Refiners ETF	32.89%	39.11%	-15.05%	13.73%	19.10%	10.90%	-11.22%	9.15%	-10.46%	49.86%

Correlation

The correlation between COHR and CRAK is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.11
Correlation (3Y) Calculated over the trailing 3-year period	0.21
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (10Y) Calculated over the trailing 10-year period	0.33
Correlation (All Time) Calculated using the full available price history since Aug 20, 2015	0.33

Over the past year, the correlation between COHR and CRAK has dropped to 0.11 - well below their long-term average of 0.33, suggesting their price drivers have been diverging.

Return for Risk

COHR vs. CRAK — Risk / Return Rank

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

COHR

COHR Risk / Return Rank: 98
COHR Sharpe Ratio Rank: 99
COHR Sortino Ratio Rank: 96
COHR Omega Ratio Rank: 95
COHR Calmar Ratio Rank: 99
COHR Martin Ratio Rank: 99

CRAK

CRAK Risk / Return Rank: 93
CRAK Sharpe Ratio Rank: 95
CRAK Sortino Ratio Rank: 94
CRAK Omega Ratio Rank: 92
CRAK Calmar Ratio Rank: 95
CRAK Martin Ratio Rank: 92

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. CRAK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Coherent, Inc. (COHR) and VanEck Oil Refiners ETF (CRAK). 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.

	COHR	CRAK	Difference
Sharpe ratio: Return per unit of total volatility	5.88	3.71	+2.17
Sortino ratio: Return per unit of downside risk	4.27	4.77	-0.50
Omega ratio: Gain probability vs. loss probability	1.60	1.62	-0.02
Calmar ratio: Return relative to maximum drawdown	15.85	7.95	+7.90
Martin ratio: Return relative to average drawdown	44.41	22.45	+21.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COHR vs. CRAK - Sharpe Ratio Comparison

The current COHR Sharpe Ratio is 5.88, which is higher than the CRAK Sharpe Ratio of 3.71. The chart below compares the historical Sharpe Ratios of COHR and CRAK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	COHR	CRAK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.88	3.71	+2.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	0.66	+0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	0.60	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.33	0.54	-0.21

Drawdowns

COHR vs. CRAK - Drawdown Comparison

The maximum COHR drawdown since its inception was -80.89%, which is greater than CRAK's maximum drawdown of -58.80%. Use the drawdown chart below to compare losses from any high point for COHR and CRAK.

Drawdown Indicators

	COHR	CRAK	Difference
Max Drawdown Largest peak-to-trough decline	-80.89%	-58.80%	-22.09%
Max Drawdown (1Y) Largest decline over 1 year	-26.52%	-8.57%	-17.95%
Max Drawdown (3Y) Largest decline over 3 years	-54.85%	-35.61%	-19.24%
Max Drawdown (5Y) Largest decline over 5 years	-62.87%	-35.61%	-27.26%
Max Drawdown (10Y) Largest decline over 10 years	-72.22%	-58.80%	-13.42%
Current Drawdown Current decline from peak	-1.17%	-4.06%	+2.89%
Average Drawdown Average peak-to-trough decline	-35.03%	-12.49%	-22.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.45%	3.03%	+6.42%

Volatility

COHR vs. CRAK - Volatility Comparison

Coherent, Inc. (COHR) has a higher volatility of 26.47% compared to VanEck Oil Refiners ETF (CRAK) at 6.36%. This indicates that COHR's price experiences larger fluctuations and is considered to be riskier than CRAK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COHR	CRAK	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.47%	6.36%	+20.11%
Volatility (6M) Calculated over the trailing 6-month period	54.45%	14.26%	+40.19%
Volatility (1Y) Calculated over the trailing 1-year period	71.44%	18.34%	+53.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.11%	20.61%	+40.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	56.27%	22.16%	+34.11%

Dividends

COHR vs. CRAK - Dividend Comparison

COHR has not paid dividends to shareholders, while CRAK's dividend yield for the trailing twelve months is around 1.52%.

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%
CRAK VanEck Oil Refiners ETF	1.52%	2.02%	5.60%	3.65%	3.08%	2.40%	2.64%	1.49%	2.42%	1.66%	3.42%	0.47%

Frequently Asked Questions

Can I hold both COHR and CRAK in my portfolio?

COHR and CRAK have a correlation of 0.11, 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 CRAK?

COHR has higher volatility (26.47%) compared to CRAK (6.36%). In terms of maximum drawdown, COHR dropped -80.89% vs CRAK's -58.80%.

Which has better risk-adjusted returns?

COHR currently has the higher Sharpe Ratio (5.88 vs 3.71), 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.