COHU vs. SANM

Last updated Jun 4, 2026

COHU (Cohu, Inc.) and SANM (Sanmina Corporation) are both stocks. Both are in the Technology sector — COHU in Semiconductor Equipment & Materials, SANM in Electronic Components. Over the past 10 years, COHU returned 17.23%/yr vs 26.22%/yr for SANM. At a 0.40 correlation, their price movements are largely independent.

Performance

COHU vs. SANM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cohu, Inc. (COHU) and Sanmina Corporation (SANM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COHU achieves a 141.17% return, which is significantly higher than SANM's 88.39% return. Over the past 10 years, COHU has underperformed SANM with an annualized return of 17.23%, while SANM has yielded a comparatively higher 26.22% annualized return.

COHU

• 1D: -2.55%
• 1M: 20.20%
• YTD: 141.17%
• 6M: 123.67%
• 1Y: 210.74%
• 3Y*: 13.39%
• 5Y*: 8.64%
• 10Y*: 17.23%

SANM

• 1D: 1.57%
• 1M: 30.56%
• YTD: 88.39%
• 6M: 79.55%
• 1Y: 220.69%
• 3Y*: 73.47%
• 5Y*: 46.07%
• 10Y*: 26.22%

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

COHU vs. SANM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COHU Cohu, Inc.	141.17%	-12.85%	-24.55%	10.42%	-15.86%	-0.24%	67.55%	44.29%	-25.96%	59.95%
SANM Sanmina Corporation	88.39%	98.32%	47.30%	-10.33%	38.18%	30.01%	-6.86%	42.31%	-27.09%	-9.96%

Correlation

The correlation between COHU and SANM is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Jun 23, 1993	0.40

The correlation between COHU and SANM shifts across timeframes, from 0.40 (all time) to 0.57 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap COHU : $2.64B SANM : $15.64B
EPS COHU : -$1.19 SANM : $4.72
PS Ratio COHU : 5.46 SANM : 1.37
PB Ratio COHU : 3.29 SANM : 2.22
Total Revenue (TTM) COHU : $481.28M SANM : $11.34B
Gross Profit (TTM) COHU : $143.88M SANM : $968.36M
EBITDA (TTM) COHU : -$10.69M SANM : $365.81M

Return for Risk

COHU vs. SANM — Risk / Return Rank

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

COHU

COHU Risk / Return Rank: 96
COHU Sharpe Ratio Rank: 98
COHU Sortino Ratio Rank: 95
COHU Omega Ratio Rank: 92
COHU Calmar Ratio Rank: 97
COHU Martin Ratio Rank: 98

SANM

SANM Risk / Return Rank: 94
SANM Sharpe Ratio Rank: 95
SANM Sortino Ratio Rank: 91
SANM Omega Ratio Rank: 93
SANM Calmar Ratio Rank: 94
SANM Martin Ratio Rank: 94

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.

COHU vs. SANM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cohu, Inc. (COHU) and Sanmina Corporation (SANM). 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.

	COHU	SANM	Difference
Sharpe ratio Return per unit of total volatility	4.23	3.34	+0.89
Sortino ratio Return per unit of downside risk	4.10	3.45	+0.65
Omega ratio Gain probability vs. loss probability	1.50	1.51	-0.01
Calmar ratio Return relative to maximum drawdown	10.48	6.80	+3.68
Martin ratio Return relative to average drawdown	29.55	17.17	+12.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COHU vs. SANM - Sharpe Ratio Comparison

The current COHU Sharpe Ratio is 4.23, which is comparable to the SANM Sharpe Ratio of 3.34. The chart below compares the historical Sharpe Ratios of COHU and SANM, 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

	COHU	SANM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.23	3.34	+0.89
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	1.05	-0.86
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.35	0.63	-0.28
Sharpe Ratio (All Time) Calculated using the full available price history	0.25	0.21	+0.04

Drawdowns

COHU vs. SANM - Drawdown Comparison

The maximum COHU drawdown since its inception was -86.67%, smaller than the maximum SANM drawdown of -99.66%. Use the drawdown chart below to compare losses from any high point for COHU and SANM.

Drawdown Indicators

	COHU	SANM	Difference
Max Drawdown Largest peak-to-trough decline	-86.67%	-99.66%	+12.99%
Max Drawdown (1Y) Largest decline over 1 year	-20.24%	-32.69%	+12.45%
Max Drawdown (3Y) Largest decline over 3 years	-69.46%	-32.69%	-36.77%
Max Drawdown (5Y) Largest decline over 5 years	-69.46%	-33.92%	-35.54%
Max Drawdown (10Y) Largest decline over 10 years	-73.63%	-55.85%	-17.78%
Current Drawdown Current decline from peak	-2.55%	-20.14%	+17.59%
Average Drawdown Average peak-to-trough decline	-48.07%	-71.47%	+23.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.17%	12.91%	-5.74%

Volatility

COHU vs. SANM - Volatility Comparison

Cohu, Inc. (COHU) has a higher volatility of 19.54% compared to Sanmina Corporation (SANM) at 14.20%. This indicates that COHU's price experiences larger fluctuations and is considered to be riskier than SANM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COHU	SANM	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.54%	14.20%	+5.34%
Volatility (6M) Calculated over the trailing 6-month period	36.35%	48.36%	-12.01%
Volatility (1Y) Calculated over the trailing 1-year period	50.33%	66.55%	-16.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.95%	44.06%	+1.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.09%	41.84%	+8.25%

Dividends

COHU vs. SANM - Dividend Comparison

Neither COHU nor SANM has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COHU Cohu, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.16%	1.05%	1.49%	1.09%	1.73%	1.99%
SANM Sanmina Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

COHU vs. SANM - Profitability Comparison

The chart below illustrates the profitability comparison between Cohu, Inc. and Sanmina Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

COHU - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cohu, Inc. reported a gross profit of 0.00 and revenue of 125.12M. Therefore, the gross margin over that period was 0.0%.

SANM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Sanmina Corporation reported a gross profit of 354.98M and revenue of 4.01B. Therefore, the gross margin over that period was 8.9%.

COHU - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cohu, Inc. reported an operating income of -11.15M and revenue of 125.12M, resulting in an operating margin of -8.9%.

SANM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Sanmina Corporation reported an operating income of 157.01M and revenue of 4.01B, resulting in an operating margin of 3.9%.

COHU - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cohu, Inc. reported a net income of -12.07M and revenue of 125.12M, resulting in a net margin of -9.7%.

SANM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Sanmina Corporation reported a net income of 93.65M and revenue of 4.01B, resulting in a net margin of 2.3%.

Frequently Asked Questions

Can I hold both COHU and SANM in my portfolio?

COHU and SANM have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COHU or SANM?

COHU has higher volatility (19.54%) compared to SANM (14.20%). In terms of maximum drawdown, COHU dropped -86.67% vs SANM's -99.66%.

Which has better risk-adjusted returns?

COHU currently has the higher Sharpe Ratio (4.23 vs 3.34), 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.