COHR vs. KEYS: Coherent vs. Keysight Stock Comparison

November 11, 2026

How do Coherent (COHR) and Keysight (KEYS) 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 Keysight (KEYS) both belong to the Electronic Equipment, Instruments & Components industry, though COHR is classified under Electronic Components while KEYS falls under Electronic Equipment & Instruments.

Company profile comparison for Coherent (COHR) and Keysight (KEYS)
Profile Item	COHR	KEYS
Name	Coherent Corp.	Keysight Technologies, Inc.
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 Equipment & Instruments
Market Capitalization	37.98 billion USD	46.33 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	October 2, 1987	October 20, 2014
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

COHR

KEYS

GSPC

Coherent (COHR) vs. Keysight (KEYS), 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 Keysight (KEYS). Returns over one year are annualized.

Calendar-Year Returns

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

Performance Metrics

Price performance metrics for Coherent (COHR) and Keysight (KEYS)
Metric	COHR	KEYS
Total Return (1Y)	48.11%	59.88%
Total Return (3Y, Annualized)	90.06%	33.36%
Total Return (5Y, Annualized)	28.94%	9.24%

Risk Profile

Drawdown History

COHR

KEYS

GSPC

Coherent (COHR) vs. Keysight (KEYS), 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 Keysight (KEYS). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Coherent (COHR) carries a highly aggressive beta of 2.19, indicating much higher sensitivity to broad-market moves, whereas Keysight (KEYS) is closer to market-like at 1.22 — a noticeable difference in market-sensitivity profile.

Risk profile metrics for Coherent (COHR) and Keysight (KEYS)
Metric	COHR	KEYS
Volatility (1Y, Annualized)	91.27%	47.95%
Beta (5Y)	2.19	1.22
Max Drawdown (5Y)	-62.87%	-42.62%
Avg. Volume (3M)	7.56M	1.31M

Risk-Adjusted Performance

Risk-Return Positioning

COHR and KEYS 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 Keysight (KEYS)
Metric	COHR	KEYS
Sharpe Ratio (1Y)	0.48	1.16
Sortino Ratio (1Y)	0.70	1.82

Profitability

ROE (TTM)

Keysight (KEYS) at 20.90% sits in the top ROE quartile, while Coherent (COHR) at 9.27% is closer to the peer norm — stronger capital efficiency for KEYS.

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%

KEYS

Technology Hardware & Equipment industry group

20.90%

Max: 42.47%
KEYS: 20.90%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

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

Net Margin (TTM)

For every dollar of sales, both Coherent (COHR) at 12.18% and Keysight (KEYS) at 19.14% retain more as net profit than most peers, landing in the top net margin quartile of their industries.

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%

KEYS

Technology Hardware & Equipment industry group

19.14%

Max: 27.60%
KEYS: 19.14%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

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

Operating Margin (TTM)

Keysight (KEYS) at 25.68% operates in the top operating margin quartile, ahead of Coherent (COHR) at 16.30%, which runs around its industry’s norm.

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%

KEYS

Technology Hardware & Equipment industry group

25.68%

Max: 36.27%
KEYS: 25.68%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

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

Profitability Metrics

Profitability metrics for Coherent (COHR) and Keysight (KEYS)
Metric	COHR	KEYS
ROE (TTM)	9.27%	20.90%
ROA (TTM)	3.99%	7.23%
Net Margin (TTM)	12.18%	19.14%
Operating Margin (TTM)	16.30%	25.68%
Gross Margin (TTM)	38.16%	63.28%

Growth

Revenue Growth

Both Coherent (COHR) at 22.51% and Keysight (KEYS) at 7.95% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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

EPS Growth

Only one side can be read here: Keysight (KEYS) reports EPS growth of 39.32%, ranked against its industry; Coherent (COHR) has no EPS growth figure this period.

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

Growth Metrics

Growth metrics for Coherent (COHR) and Keysight (KEYS)
Metric	COHR	KEYS
Revenue Growth (YoY)	22.51%	7.95%
Revenue Growth (3Y CAGR)	11.32%	-0.28%
EPS Growth (YoY)	--	39.32%
EPS Growth (3Y CAGR)	--	-7.51%

Financial Strength

Current Ratio (MRQ)

Both Coherent (COHR) at 2.29 and Keysight (KEYS) at 2.02 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

KEYS

Technology Hardware & Equipment industry group

2.02

Max: 5.34
Q3: 3.02
KEYS: 2.02
Median: 1.95
Q1: 1.32
Min: 0.17

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

Debt / Equity (MRQ)

Both Coherent (COHR) at 0.37 and Keysight (KEYS) at 0.42 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

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

KEYS

Technology Hardware & Equipment industry group

0.42

Max: 1.76
Q3: 0.78
KEYS: 0.42
Median: 0.24
Q1: 0.04
Min: 0.01

Coherent (COHR) vs. Keysight (KEYS): 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 Keysight (KEYS)
Metric	COHR	KEYS
Current Ratio (MRQ)	2.29	2.02
Debt / Equity (MRQ)	0.37	0.42
Net Debt / EBITDA	1.56	0.09

Dividends

Dividend Yield (TTM)

Neither Coherent (COHR) nor Keysight (KEYS) 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%

KEYS

Technology Hardware & Equipment industry group

0.00%

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

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

Dividend Payout Ratio (TTM)

Neither Coherent (COHR) nor Keysight (KEYS) 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%

KEYS

Technology Hardware & Equipment industry group

0.00%

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

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

Dividend Metrics

Dividend metrics for Coherent (COHR) and Keysight (KEYS)
Metric	COHR	KEYS
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 Keysight (KEYS) at 36.82 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

KEYS

Technology Hardware & Equipment industry group

36.82

Max: 69.48
Q3: 41.02
KEYS: 36.82
Median: 26.39
Q1: 19.36
Min: 6.07

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

P/S Ratio (TTM)

Coherent (COHR) at 4.80 is priced about in line with its industry on P/S ratio, while Keysight (KEYS) at 7.04 sits in the pricier quartile — KEYS costs more per dollar of sales.

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

KEYS

Technology Hardware & Equipment industry group

7.04

Max: 11.30
KEYS: 7.04
Q3: 5.82
Median: 2.56
Q1: 1.05
Min: 0.00

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

P/B Ratio (MRQ)

Coherent (COHR) at 3.35 is valued about in line with its industry on P/B ratio, while Keysight (KEYS) at 7.05 carries an above-peer premium to book — KEYS is pricier on assets.

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

KEYS

Technology Hardware & Equipment industry group

7.05

Max: 10.75
KEYS: 7.05
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

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

Valuation Metrics

Valuation metrics for Coherent (COHR) and Keysight (KEYS)
Metric	COHR	KEYS
P/E Ratio (TTM)	39.92	36.82
P/S Ratio (TTM)	4.80	7.04
P/B Ratio (MRQ)	3.35	7.05
Free Cash Flow Yield (TTM)	-4.44%	4.03%