Which has the lower trailing P/E, COHR or KEYS?

KEYS has the lower trailing P/E: COHR trades at 71.98 and KEYS at 49.88. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, COHR or KEYS?

Over the past five years, COHR grew revenue faster — COHR at a 18.04% CAGR versus KEYS at 6.22%.

Is COHR or KEYS more profitable?

KEYS runs the higher net margin — COHR at 11.31% versus KEYS at 19.08%.

How have COHR and KEYS total returns compared?

Over the past 10 years, COHR delivered 30.35% and KEYS delivered 27.62% annualized total return. Past performance doesn't predict future results.

Coherent, Inc. (COHR) vs Keysight Technologies, Inc. (KEYS)

A side-by-side comparison of Coherent, Inc. and Keysight Technologies, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

COHR

Coherent, Inc.

$57.88B

$295.83TechnologyDelayed quote: Sep 25, 2026, 4:00 PM EDT

KEYS

Keysight Technologies, Inc.

$61.89B

$362.15TechnologyDelayed quote: Sep 25, 2026, 4:00 PM EDT

Total return — COHR vs KEYS

growth of $100 · dividends reinvested · last 10y

COHR +1253.6% (+29.8%/yr)KEYS +1018.0% (+27.3%/yr)COHR compounded faster over this window

COHR KEYS

COHR vs KEYS: by the numbers

•KEYS is the larger company ($61.89B vs $57.88B market cap).
•KEYS trades at the lower trailing earnings multiple (49.88 vs 71.98 P/E), one valuation lens rather than an overall verdict.
•KEYS converts more revenue to profit (19.08% vs 11.31% net margin).
•COHR grew revenue faster over the past five years (18.04% vs 6.22% CAGR).

Metrics side by side

Valuation

Metric	COHR	KEYS
P/E ratio	71.98	49.88
Forward P/E	31.33	31.53
P/S ratio	8.13	9.40
P/B ratio	5.31	9.42
EV / EBITDA	43.92	39.33
FCF yield	N/A	2.37%

Profitability

Metric	COHR	KEYS
Gross margin	37.50%	64.69%
Operating margin	11.96%	20.25%
Net margin	11.31%	19.08%
ROE	7.38%	19.11%
ROIC	5.11%	12.04%

Growth (annualized)

Metric	COHR	KEYS
Revenue CAGR (5Y)	18.04%	6.22%
EPS CAGR (5Y)	11.66%	7.90%
FCF CAGR (5Y)	-24.88%	4.82%
Total return CAGR (5Y)	37.79%	13.45%

Frequently asked

Which has the lower trailing P/E, COHR or KEYS?: KEYS has the lower trailing P/E: COHR trades at 71.98 and KEYS at 49.88. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, COHR or KEYS?: Over the past five years, COHR grew revenue faster — COHR at a 18.04% CAGR versus KEYS at 6.22%.
Is COHR or KEYS more profitable?: KEYS runs the higher net margin — COHR at 11.31% versus KEYS at 19.08%.
How have COHR and KEYS total returns compared?: Over the past 10 years, COHR delivered 30.35% and KEYS delivered 27.62% annualized total return. Past performance doesn't predict future results.

Go deeper

Full COHR analysis Full KEYS analysis Interactive comparison tool

Dig into the metrics

Coherent P/E ratio Keysight Technologies P/E ratio Coherent ROE Keysight Technologies ROE Coherent operating margin Keysight Technologies operating margin Coherent revenue growth Keysight Technologies revenue growth Coherent free cash flow Keysight Technologies free cash flow

Coherent & Keysight Technologies appear in these rankings

Fastest Revenue Growth Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 13, 2026.