CLS vs. SEI

Last updated Jun 9, 2026

CLS (Celestica Inc.) and SEI (Solaris Energy Infrastructure, Inc) are both stocks. CLS operates in Electronic Components (Technology), while SEI operates in Oil & Gas Equipment & Services (Energy). Over the past 5 years, CLS returned 114.81%/yr vs 52.77%/yr for SEI. At a 0.31 correlation, their price movements are largely independent.

Performance

CLS vs. SEI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Celestica Inc. (CLS) and Solaris Energy Infrastructure, Inc (SEI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CLS achieves a 30.75% return, which is significantly lower than SEI's 57.74% return.

CLS

• 1D: 3.98%
• 1M: 2.92%
• YTD: 30.75%
• 6M: 13.42%
• 1Y: 220.14%
• 3Y*: 209.55%
• 5Y*: 114.81%
• 10Y*: 43.16%

SEI

• 1D: 4.06%
• 1M: -0.85%
• YTD: 57.74%
• 6M: 35.54%
• 1Y: 143.14%
• 3Y*: 111.29%
• 5Y*: 52.77%
• 10Y*: —

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

CLS vs. SEI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CLS Celestica Inc.	30.75%	220.27%	215.23%	159.80%	1.26%	37.92%	-2.42%	-5.70%	-16.32%	-25.04%
SEI Solaris Energy Infrastructure, Inc	57.74%	62.29%	277.66%	-15.75%	57.46%	-15.55%	-38.09%	19.10%	-43.06%	85.37%

Correlation

The correlation between CLS and SEI is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.32
Correlation (All Time) Calculated using the full available price history since May 15, 2017	0.31

Fundamentals

Market Cap CLS : $44.72B SEI : $3.57B
EPS CLS : $8.28 SEI : $1.03
PE Ratio CLS : 46.65 SEI : 70.43
PS Ratio CLS : 3.24 SEI : 4.71
PB Ratio CLS : 21.31 SEI : 4.58
Total Revenue (TTM) CLS : $13.81B SEI : $692.11M
Gross Profit (TTM) CLS : $1.60B SEI : $235.28M
EBITDA (TTM) CLS : $1.32B SEI : $249.65M

Return for Risk

CLS vs. SEI — Risk / Return Rank

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

CLS

CLS Risk / Return Rank: 93
CLS Sharpe Ratio Rank: 95
CLS Sortino Ratio Rank: 89
CLS Omega Ratio Rank: 88
CLS Calmar Ratio Rank: 96
CLS Martin Ratio Rank: 95

SEI

SEI Risk / Return Rank: 88
SEI Sharpe Ratio Rank: 89
SEI Sortino Ratio Rank: 83
SEI Omega Ratio Rank: 81
SEI Calmar Ratio Rank: 93
SEI 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.

CLS vs. SEI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Celestica Inc. (CLS) and Solaris Energy Infrastructure, Inc (SEI). 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.

	CLS	SEI	Difference
Sharpe ratio: Return per unit of total volatility	3.06	1.96	+1.11
Sortino ratio: Return per unit of downside risk	2.94	2.45	+0.49
Omega ratio: Gain probability vs. loss probability	1.39	1.30	+0.09
Calmar ratio: Return relative to maximum drawdown	7.58	5.45	+2.13
Martin ratio: Return relative to average drawdown	18.88	13.72	+5.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CLS vs. SEI - Sharpe Ratio Comparison

The current CLS Sharpe Ratio is 3.06, which is higher than the SEI Sharpe Ratio of 1.96. The chart below compares the historical Sharpe Ratios of CLS and SEI, 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

	CLS	SEI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.06	1.96	+1.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	2.01	0.80	+1.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.87	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.43	-0.16

Drawdowns

CLS vs. SEI - Drawdown Comparison

The maximum CLS drawdown since its inception was -96.93%, which is greater than SEI's maximum drawdown of -79.49%. Use the drawdown chart below to compare losses from any high point for CLS and SEI.

Drawdown Indicators

	CLS	SEI	Difference
Max Drawdown Largest peak-to-trough decline	-96.93%	-79.49%	-17.44%
Max Drawdown (1Y) Largest decline over 1 year	-29.24%	-26.43%	-2.81%
Max Drawdown (3Y) Largest decline over 3 years	-53.96%	-55.37%	+1.41%
Max Drawdown (5Y) Largest decline over 5 years	-53.96%	-55.37%	+1.41%
Max Drawdown (10Y) Largest decline over 10 years	-80.60%	—	—
Current Drawdown Current decline from peak	-18.18%	-7.95%	-10.23%
Average Drawdown Average peak-to-trough decline	-73.36%	-38.65%	-34.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.72%	10.55%	+1.17%

Volatility

CLS vs. SEI - Volatility Comparison

Celestica Inc. (CLS) has a higher volatility of 26.60% compared to Solaris Energy Infrastructure, Inc (SEI) at 17.54%. This indicates that CLS's price experiences larger fluctuations and is considered to be riskier than SEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CLS	SEI	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.60%	17.54%	+9.06%
Volatility (6M) Calculated over the trailing 6-month period	55.08%	51.78%	+3.30%
Volatility (1Y) Calculated over the trailing 1-year period	72.52%	73.80%	-1.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	57.62%	66.56%	-8.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.93%	62.17%	-12.24%

Dividends

CLS vs. SEI - Dividend Comparison

CLS has not paid dividends to shareholders, while SEI's dividend yield for the trailing twelve months is around 0.66%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
CLS Celestica Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SEI Solaris Energy Infrastructure, Inc	0.66%	1.04%	1.67%	5.65%	4.23%	6.41%	5.16%	2.89%	0.83%

Financials

CLS vs. SEI - Profitability Comparison

The chart below illustrates the profitability comparison between Celestica Inc. and Solaris Energy Infrastructure, Inc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

CLS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported a gross profit of 437.20M and revenue of 4.05B. Therefore, the gross margin over that period was 10.8%.

SEI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported a gross profit of 72.72M and revenue of 196.24M. Therefore, the gross margin over that period was 37.1%.

CLS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported an operating income of 272.10M and revenue of 4.05B, resulting in an operating margin of 6.7%.

SEI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported an operating income of 50.56M and revenue of 196.24M, resulting in an operating margin of 25.8%.

CLS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported a net income of 212.30M and revenue of 4.05B, resulting in a net margin of 5.3%.

SEI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported a net income of 21.44M and revenue of 196.24M, resulting in a net margin of 10.9%.

Frequently Asked Questions

Can I hold both CLS and SEI in my portfolio?

CLS and SEI have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CLS or SEI?

CLS has higher volatility (26.60%) compared to SEI (17.54%). In terms of maximum drawdown, CLS dropped -96.93% vs SEI's -79.49%.

Which has better risk-adjusted returns?

CLS currently has the higher Sharpe Ratio (3.06 vs 1.96), 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.