Which has the lower trailing P/E, ACLS or DIOD?

ACLS has the lower trailing P/E: ACLS trades at 49.59 and DIOD at 56.13. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, ACLS or DIOD?

Over the past five years, ACLS grew revenue faster — ACLS at a 11.06% CAGR versus DIOD at 1.55%.

Is ACLS or DIOD more profitable?

ACLS runs the higher net margin — ACLS at 10.71% versus DIOD at 5.27%.

How have ACLS and DIOD total returns compared?

Over the past 10 years, ACLS delivered 27.23% and DIOD delivered 16.40% annualized total return. Past performance doesn't predict future results.

Axcelis Technologies, Inc. (ACLS) vs Diodes Incorporated (DIOD)

A side-by-side comparison of Axcelis Technologies, Inc. and Diodes Incorporated across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 2, 2026. Differences are shown without an overall score or investment verdict.

ACLS

Axcelis Technologies, Inc.

$4.54B

$147.77TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

DIOD

Diodes Incorporated

$4.77B

$103.84TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

Total return — ACLS vs DIOD

growth of $100 · dividends reinvested · last 10y

ACLS +838.3% (+25.1%/yr)DIOD +364.5% (+16.6%/yr)ACLS compounded faster over this window

ACLS DIOD

ACLS vs DIOD: by the numbers

•DIOD is the larger company ($4.77B vs $4.54B market cap).
•ACLS trades at the lower trailing earnings multiple (49.59 vs 56.13 P/E), one valuation lens rather than an overall verdict.
•ACLS converts more revenue to profit (10.71% vs 5.27% net margin).
•ACLS grew revenue faster over the past five years (11.06% vs 1.55% CAGR).

Metrics side by side

Valuation

Metric	ACLS	DIOD
P/E ratio	49.59	56.13
Forward P/E	35.99	31.98
PEG ratio	2.35	N/A
P/S ratio	5.24	2.92
P/B ratio	4.26	2.44
EV / EBITDA	41.35	20.02
FCF yield	1.44%	2.99%

Profitability

Metric	ACLS	DIOD
Gross margin	43.01%	31.73%
Operating margin	10.33%	4.77%
Net margin	10.71%	5.27%
ROE	8.71%	4.41%
ROIC	6.58%	3.00%

Growth (annualized)

Metric	ACLS	DIOD
Revenue CAGR (5Y)	11.06%	1.55%
EPS CAGR (5Y)	20.50%	-5.72%
FCF CAGR (5Y)	4.66%	4.25%
Total return CAGR (5Y)	25.31%	1.24%

Frequently asked

Which has the lower trailing P/E, ACLS or DIOD?: ACLS has the lower trailing P/E: ACLS trades at 49.59 and DIOD at 56.13. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, ACLS or DIOD?: Over the past five years, ACLS grew revenue faster — ACLS at a 11.06% CAGR versus DIOD at 1.55%.
Is ACLS or DIOD more profitable?: ACLS runs the higher net margin — ACLS at 10.71% versus DIOD at 5.27%.
How have ACLS and DIOD total returns compared?: Over the past 10 years, ACLS delivered 27.23% and DIOD delivered 16.40% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACLS analysis Full DIOD analysis Interactive comparison tool

Dig into the metrics

Axcelis Technologies P/E ratio Diodes P/E ratio Axcelis Technologies ROE Diodes ROE Axcelis Technologies operating margin Diodes operating margin Axcelis Technologies revenue growth Diodes revenue growth Axcelis Technologies free cash flow Diodes free cash flow

Axcelis Technologies & Diodes appear in these rankings

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 October 2, 2026.