CLS vs. WDC: Celestica vs. Western Digital Stock Comparison

November 11, 2026

How do Celestica (CLS) and Western Digital (WDC) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Celestica (CLS) and Western Digital (WDC) both fall under the Technology Hardware & Equipment industry group, but CLS is classified in Electronic Equipment, Instruments & Components while WDC is classified in Technology Hardware, Storage & Peripherals.

Company profile comparison for Celestica (CLS) and Western Digital (WDC)
Profile Item	CLS	WDC
Name	Celestica Inc.	Western Digital Corp.
Country/Region	Canada	United States
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Technology Hardware & Equipment	Technology Hardware & Equipment
GICS Industry	Electronic Equipment, Instruments & Components	Technology Hardware, Storage & Peripherals
GICS Sub-Industry	Electronic Manufacturing Services	Technology Hardware, Storage & Peripherals
Market Capitalization	26.06 billion USD	98.74 billion USD
Currency	USD	USD
Exchange	NYSE	Nasdaq
Listing Date	June 30, 1998	October 31, 1978
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

CLS

WDC

GSPC

Celestica (CLS) vs. Western Digital (WDC), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

Loading price history…

Trailing total returns for Celestica (CLS) and Western Digital (WDC). Returns over one year are annualized.

Calendar-Year Returns

Loading price history…

Calendar-year total returns for Celestica (CLS) and Western Digital (WDC). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
Total Return (1Y)	-30.98%	78.89%
Total Return (3Y, Annualized)	108.72%	106.11%
Total Return (5Y, Annualized)	80.82%	47.06%

Risk Profile

Drawdown History

CLS

WDC

GSPC

Celestica (CLS) vs. Western Digital (WDC), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

Loading price history…

Distribution of monthly total returns for Celestica (CLS) and Western Digital (WDC). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
Volatility (1Y, Annualized)	80.89%	83.20%
Beta (5Y)	2.16	2.35
Max Drawdown (5Y)	-56.47%	-64.64%
Avg. Volume (3M)	2.61M	8.01M

Risk-Adjusted Performance

Risk-Return Positioning

CLS and WDC are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
Sharpe Ratio (1Y)	-0.44	0.90
Sortino Ratio (1Y)	-0.59	1.32

Profitability

ROE (TTM)

Both companies show strong equity returns, but Western Digital (WDC) at 129.60% is the standout with ROE above its industry range; Celestica (CLS) at 30.23% also sits in the top quartile.

CLS

Technology Hardware & Equipment industry group

30.23%

Max: 42.47%
CLS: 30.23%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

WDC

Technology Hardware & Equipment industry group

129.60%

WDC: 129.60%
Max: 42.47%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

Celestica (CLS) vs. Western Digital (WDC): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

Western Digital (WDC) at 69.20% converts revenue to bottom-line profit above its industry’s benchmark range, while Celestica (CLS) at 6.83% keeps roughly the typical share for its industry.

CLS

Technology Hardware & Equipment industry group

6.83%

Max: 27.60%
Q3: 11.66%
CLS: 6.83%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

WDC

Technology Hardware & Equipment industry group

69.20%

WDC: 69.20%
Max: 27.60%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

Celestica (CLS) vs. Western Digital (WDC): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Western Digital (WDC) at 47.68% turns sales into operating profit above its industry’s benchmark range, while Celestica (CLS) at 7.91% operates around its industry’s norm.

CLS

Technology Hardware & Equipment industry group

7.91%

Max: 36.27%
Q3: 18.36%
Median: 8.84%
CLS: 7.91%
Q1: 1.46%
Min: -21.39%

WDC

Technology Hardware & Equipment industry group

47.68%

WDC: 47.68%
Max: 36.27%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

Celestica (CLS) vs. Western Digital (WDC): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
ROE (TTM)	30.23%	129.60%
ROA (TTM)	8.72%	25.88%
Net Margin (TTM)	6.83%	69.20%
Operating Margin (TTM)	7.91%	47.68%
Gross Margin (TTM)	11.46%	52.60%

Growth

Revenue Growth

Both Celestica (CLS) at 28.46% and Western Digital (WDC) at 35.70% sit in the top peer quartile for revenue growth, so each is growing its top line faster than typical industry peers.

Celestica (CLS) vs. Western Digital (WDC): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both companies show strong earnings momentum, but Western Digital (WDC) at 372.38% is the standout with EPS growth above its industry range; Celestica (CLS) at 98.34% also sits in the top quartile.

Celestica (CLS) vs. Western Digital (WDC): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
Revenue Growth (YoY)	28.46%	35.70%
Revenue Growth (3Y CAGR)	19.56%	27.35%
EPS Growth (YoY)	98.34%	372.38%
EPS Growth (3Y CAGR)	82.39%	--

Financial Strength

Current Ratio (MRQ)

Both Celestica (CLS) at 1.61 and Western Digital (WDC) at 1.43 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

CLS

Technology Hardware & Equipment industry group

1.61

Max: 5.34
Q3: 3.02
Median: 1.95
CLS: 1.61
Q1: 1.32
Min: 0.17

WDC

Technology Hardware & Equipment industry group

1.43

Max: 5.34
Q3: 3.02
Median: 1.95
WDC: 1.43
Q1: 1.32
Min: 0.17

Celestica (CLS) vs. Western Digital (WDC): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Both Celestica (CLS) at 0.17 and Western Digital (WDC) at 0.10 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

CLS

Technology Hardware & Equipment industry group

0.17

Max: 1.76
Q3: 0.78
Median: 0.24
CLS: 0.17
Q1: 0.04
Min: 0.01

WDC

Technology Hardware & Equipment industry group

0.10

Max: 1.76
Q3: 0.78
Median: 0.24
WDC: 0.10
Q1: 0.04
Min: 0.01

Celestica (CLS) vs. Western Digital (WDC): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
Current Ratio (MRQ)	1.61	1.43
Debt / Equity (MRQ)	0.17	0.10
Net Debt / EBITDA	-1.72	-0.06

Dividends

Dividend Yield (TTM)

Celestica (CLS) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Western Digital (WDC) reports a yield of 0.21%, ranking against industry peers normally.

CLS

Technology Hardware & Equipment industry group

0.00%

Max: 0.73%
Q3: 0.31%
CLS: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

WDC

Technology Hardware & Equipment industry group

0.21%

Max: 0.73%
Q3: 0.31%
WDC: 0.21%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Celestica (CLS) vs. Western Digital (WDC): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Celestica (CLS) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Western Digital (WDC) reports a payout of 1.93%, ranking against industry peers normally.

CLS

Technology Hardware & Equipment industry group

0.00%

Max: 32.27%
Q3: 14.48%
CLS: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

WDC

Technology Hardware & Equipment industry group

1.93%

Max: 32.27%
Q3: 14.48%
WDC: 1.93%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Celestica (CLS) vs. Western Digital (WDC): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
Dividend Yield (TTM)	0.00%	0.21%
Dividend Payout Ratio (TTM)	0.00%	1.93%

Valuation

P/E Ratio (TTM)

Western Digital (WDC) at 9.28 sits in the cheaper P/E ratio quartile, while Celestica (CLS) at 19.50 is closer to its industry’s usual earnings multiple — a discount for WDC, though growth and earnings durability still matter.

CLS

Technology Hardware & Equipment industry group

19.50

Max: 69.48
Q3: 41.02
Median: 26.39
CLS: 19.50
Q1: 19.36
Min: 6.07

WDC

Technology Hardware & Equipment industry group

9.28

Max: 69.48
Q3: 41.02
Median: 26.39
Q1: 19.36
WDC: 9.28
Min: 6.07

Celestica (CLS) vs. Western Digital (WDC): A comparison of their P/E ratio against the Technology Hardware & Equipment industry group benchmark.

P/S Ratio (TTM)

Celestica (CLS) at 1.43 is priced about in line with its industry on P/S ratio, while Western Digital (WDC) at 6.82 sits in the pricier quartile — WDC costs more per dollar of sales.

CLS

Technology Hardware & Equipment industry group

1.43

Max: 11.30
Q3: 5.82
Median: 2.56
CLS: 1.43
Q1: 1.05
Min: 0.00

WDC

Technology Hardware & Equipment industry group

6.82

Max: 11.30
WDC: 6.82
Q3: 5.82
Median: 2.56
Q1: 1.05
Min: 0.00

Celestica (CLS) vs. Western Digital (WDC): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

Celestica (CLS) at 4.19 is valued about in line with its industry on P/B ratio, while Western Digital (WDC) at 10.55 carries an above-peer premium to book — WDC is pricier on assets.

CLS

Technology Hardware & Equipment industry group

4.19

Max: 10.75
Q3: 5.52
CLS: 4.19
Median: 3.17
Q1: 1.79
Min: 0.33

WDC

Technology Hardware & Equipment industry group

10.55

Max: 10.75
WDC: 10.55
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

Celestica (CLS) vs. Western Digital (WDC): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Celestica (CLS) and Western Digital (WDC)
Metric	CLS	WDC
P/E Ratio (TTM)	19.50	9.28
P/S Ratio (TTM)	1.43	6.82
P/B Ratio (MRQ)	4.19	10.55
Free Cash Flow Yield (TTM)	3.08%	2.76%