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

ACMR has the lower trailing P/E: ACMR trades at 37.20 and DIOD at 58.02. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, ACMR or DIOD?

Over the past five years, ACMR grew revenue faster — ACMR at a 40.32% CAGR versus DIOD at 1.55%.

Is ACMR or DIOD more profitable?

ACMR runs the higher net margin — ACMR at 14.48% versus DIOD at 5.27%.

How have ACMR and DIOD total returns compared?

Over the past 5 years, ACMR delivered 14.19% and DIOD delivered 3.12% annualized total return. Past performance doesn't predict future results.

ACM Research, Inc. (ACMR) vs Diodes Incorporated (DIOD)

A side-by-side comparison of ACM Research, Inc. and Diodes Incorporated across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

ACMR

ACM Research, Inc.

$5.01B

$78.11TechnologyDelayed quote: Oct 6, 2026, 10:05 AM EDT

DIOD

Diodes Incorporated

$4.93B

$107.34TechnologyDelayed quote: Oct 6, 2026, 10:05 AM EDT

Total return — ACMR vs DIOD

growth of $100 · dividends reinvested · last 9y

ACMR +3973.3% (+51.0%/yr)DIOD +195.5% (+12.8%/yr)ACMR compounded faster over this window

Log scale — wide-divergence pair

ACMR DIOD

ACMR vs DIOD: by the numbers

•ACMR is the larger company ($5.01B vs $4.93B market cap).
•ACMR trades at the lower trailing earnings multiple (37.20 vs 58.02 P/E), one valuation lens rather than an overall verdict.
•ACMR converts more revenue to profit (14.48% vs 5.27% net margin).
•ACMR grew revenue faster over the past five years (40.32% vs 1.55% CAGR).

Metrics side by side

Valuation

Metric	ACMR	DIOD
P/E ratio	37.20	58.02
Forward P/E	34.84	33.06
PEG ratio	1.05	N/A
P/S ratio	4.83	3.02
P/B ratio	2.69	2.53
EV / EBITDA	26.45	20.75
FCF yield	N/A	2.89%

Profitability

Metric	ACMR	DIOD
Gross margin	43.84%	31.73%
Operating margin	13.29%	4.77%
Net margin	14.48%	5.27%
ROE	8.08%	4.41%
ROIC	4.42%	3.00%

Growth (annualized)

Metric	ACMR	DIOD
Revenue CAGR (5Y)	40.32%	1.55%
EPS CAGR (5Y)	34.02%	-5.72%
FCF CAGR (5Y)	N/A	4.25%
Total return CAGR (5Y)	14.19%	3.12%

Frequently asked

Which has the lower trailing P/E, ACMR or DIOD?: ACMR has the lower trailing P/E: ACMR trades at 37.20 and DIOD at 58.02. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, ACMR or DIOD?: Over the past five years, ACMR grew revenue faster — ACMR at a 40.32% CAGR versus DIOD at 1.55%.
Is ACMR or DIOD more profitable?: ACMR runs the higher net margin — ACMR at 14.48% versus DIOD at 5.27%.
How have ACMR and DIOD total returns compared?: Over the past 5 years, ACMR delivered 14.19% and DIOD delivered 3.12% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACMR analysis Full DIOD analysis Interactive comparison tool

Dig into the metrics

ACM Research P/E ratio Diodes P/E ratio ACM Research ROE Diodes ROE ACM Research operating margin Diodes operating margin ACM Research revenue growth Diodes revenue growth ACM Research free cash flow Diodes free cash flow

ACM Research & Diodes 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 October 6, 2026.