COHR vs. FLEX: Coherent vs. Flex Stock Comparison

November 11, 2026

How do Coherent (COHR) and Flex (FLEX) 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

Coherent (COHR) and Flex (FLEX) both belong to the Electronic Equipment, Instruments & Components industry, though COHR is classified under Electronic Components while FLEX falls under Electronic Manufacturing Services.

Company profile comparison for Coherent (COHR) and Flex (FLEX)
Profile Item	COHR	FLEX
Name	Coherent Corp.	Flex Ltd.
Country/Region	United States	United States
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Technology Hardware & Equipment	Technology Hardware & Equipment
GICS Industry	Electronic Equipment, Instruments & Components	Electronic Equipment, Instruments & Components
GICS Sub-Industry	Electronic Components	Electronic Manufacturing Services
Market Capitalization	37.98 billion USD	25.78 billion USD
Currency	USD	USD
Exchange	NYSE	Nasdaq
Listing Date	October 2, 1987	March 18, 1994
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

COHR

FLEX

GSPC

Coherent (COHR) vs. Flex (FLEX), 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

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Trailing total returns for Coherent (COHR) and Flex (FLEX). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Coherent (COHR) and Flex (FLEX). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
Total Return (1Y)	48.11%	24.99%
Total Return (3Y, Annualized)	90.06%	59.41%
Total Return (5Y, Annualized)	28.94%	42.37%

Risk Profile

Drawdown History

COHR

FLEX

GSPC

Coherent (COHR) vs. Flex (FLEX), 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

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Distribution of monthly total returns for Coherent (COHR) and Flex (FLEX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
Volatility (1Y, Annualized)	91.27%	76.21%
Beta (5Y)	2.19	1.82
Max Drawdown (5Y)	-62.87%	-58.83%
Avg. Volume (3M)	7.56M	4.28M

Risk-Adjusted Performance

Risk-Return Positioning

COHR and FLEX 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 Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
Sharpe Ratio (1Y)	0.48	0.27
Sortino Ratio (1Y)	0.70	0.44

Profitability

ROE (TTM)

Both Coherent (COHR) at 9.27% and Flex (FLEX) at 19.13% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

COHR

Technology Hardware & Equipment industry group

9.27%

Max: 42.47%
Q3: 19.13%
Median: 11.00%
COHR: 9.27%
Q1: 1.63%
Min: -20.62%

FLEX

Technology Hardware & Equipment industry group

19.13%

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

Coherent (COHR) vs. Flex (FLEX): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

Coherent (COHR) at 12.18% retains a top-quartile share of revenue as profit, ahead of Flex (FLEX) at 3.35%, which keeps about the industry-typical share.

COHR

Technology Hardware & Equipment industry group

12.18%

Max: 27.60%
COHR: 12.18%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

FLEX

Technology Hardware & Equipment industry group

3.35%

Max: 27.60%
Q3: 11.66%
Median: 4.08%
FLEX: 3.35%
Q1: 0.00%
Min: -11.02%

Coherent (COHR) vs. Flex (FLEX): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Both Coherent (COHR) at 16.30% and Flex (FLEX) at 5.05% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

COHR

Technology Hardware & Equipment industry group

16.30%

Max: 36.27%
Q3: 18.36%
COHR: 16.30%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

FLEX

Technology Hardware & Equipment industry group

5.05%

Max: 36.27%
Q3: 18.36%
Median: 8.84%
FLEX: 5.05%
Q1: 1.46%
Min: -21.39%

Coherent (COHR) vs. Flex (FLEX): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
ROE (TTM)	9.27%	19.13%
ROA (TTM)	3.99%	4.39%
Net Margin (TTM)	12.18%	3.35%
Operating Margin (TTM)	16.30%	5.05%
Gross Margin (TTM)	38.16%	9.67%

Growth

Revenue Growth

Both Coherent (COHR) at 22.51% and Flex (FLEX) at 8.14% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

Coherent (COHR) vs. Flex (FLEX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Flex (FLEX) reports EPS growth of 10.43%, ranked against its industry; Coherent (COHR) has no EPS growth figure this period.

Coherent (COHR) vs. Flex (FLEX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
Revenue Growth (YoY)	22.51%	8.14%
Revenue Growth (3Y CAGR)	11.32%	-0.69%
EPS Growth (YoY)	--	10.43%
EPS Growth (3Y CAGR)	--	10.65%

Financial Strength

Current Ratio (MRQ)

Both Coherent (COHR) at 2.29 and Flex (FLEX) at 1.34 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

COHR

Technology Hardware & Equipment industry group

2.29

Max: 5.34
Q3: 3.02
COHR: 2.29
Median: 1.95
Q1: 1.32
Min: 0.17

FLEX

Technology Hardware & Equipment industry group

1.34

Max: 5.34
Q3: 3.02
Median: 1.95
FLEX: 1.34
Q1: 1.32
Min: 0.17

Coherent (COHR) vs. Flex (FLEX): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Coherent (COHR) at 0.37 carries an industry-typical debt-to-equity mix, while Flex (FLEX) at 1.03 uses more debt funding than most peers.

COHR

Technology Hardware & Equipment industry group

0.37

Max: 1.76
Q3: 0.78
COHR: 0.37
Median: 0.24
Q1: 0.04
Min: 0.01

FLEX

Technology Hardware & Equipment industry group

1.03

Max: 1.76
FLEX: 1.03
Q3: 0.78
Median: 0.24
Q1: 0.04
Min: 0.01

Coherent (COHR) vs. Flex (FLEX): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
Current Ratio (MRQ)	2.29	1.34
Debt / Equity (MRQ)	0.37	1.03
Net Debt / EBITDA	1.56	1.32

Dividends

Dividend Yield (TTM)

Neither Coherent (COHR) nor Flex (FLEX) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

COHR

Technology Hardware & Equipment industry group

0.00%

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

FLEX

Technology Hardware & Equipment industry group

0.00%

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

Coherent (COHR) vs. Flex (FLEX): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Neither Coherent (COHR) nor Flex (FLEX) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

COHR

Technology Hardware & Equipment industry group

0.00%

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

FLEX

Technology Hardware & Equipment industry group

0.00%

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

Coherent (COHR) vs. Flex (FLEX): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
Dividend Yield (TTM)	0.00%	0.00%
Dividend Payout Ratio (TTM)	0.00%	0.00%

Valuation

P/E Ratio (TTM)

Both Coherent (COHR) at 39.92 and Flex (FLEX) at 25.10 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

COHR

Technology Hardware & Equipment industry group

39.92

Max: 69.48
Q3: 41.02
COHR: 39.92
Median: 26.39
Q1: 19.36
Min: 6.07

FLEX

Technology Hardware & Equipment industry group

25.10

Max: 69.48
Q3: 41.02
Median: 26.39
FLEX: 25.10
Q1: 19.36
Min: 6.07

Coherent (COHR) vs. Flex (FLEX): A comparison of their P/E ratio against the Technology Hardware & Equipment industry group benchmark.

P/S Ratio (TTM)

Flex (FLEX) at 0.83 sits in the cheaper P/S ratio quartile while Coherent (COHR) at 4.80 prices around its industry’s middle — FLEX costs less per dollar of sales, though read it alongside growth and margins.

COHR

Technology Hardware & Equipment industry group

4.80

Max: 11.30
Q3: 5.82
COHR: 4.80
Median: 2.56
Q1: 1.05
Min: 0.00

FLEX

Technology Hardware & Equipment industry group

0.83

Max: 11.30
Q3: 5.82
Median: 2.56
Q1: 1.05
FLEX: 0.83
Min: 0.00

Coherent (COHR) vs. Flex (FLEX): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both Coherent (COHR) at 3.35 and Flex (FLEX) at 4.44 are valued close to their industries’ norm against book — neither stands out from peers.

COHR

Technology Hardware & Equipment industry group

3.35

Max: 10.75
Q3: 5.52
COHR: 3.35
Median: 3.17
Q1: 1.79
Min: 0.33

FLEX

Technology Hardware & Equipment industry group

4.44

Max: 10.75
Q3: 5.52
FLEX: 4.44
Median: 3.17
Q1: 1.79
Min: 0.33

Coherent (COHR) vs. Flex (FLEX): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Coherent (COHR) and Flex (FLEX)
Metric	COHR	FLEX
P/E Ratio (TTM)	39.92	25.10
P/S Ratio (TTM)	4.80	0.83
P/B Ratio (MRQ)	3.35	4.44
Free Cash Flow Yield (TTM)	-4.44%	2.41%