Which has grown faster, AAOI or DBX?

Over the past five years, AAOI grew revenue faster — AAOI at a 20.68% CAGR versus DBX at 4.48%.

Is AAOI or DBX more profitable?

DBX runs the higher net margin — AAOI at -9.57% versus DBX at 17.49%.

How have AAOI and DBX total returns compared?

Over the past 5 years, AAOI delivered 71.72% and DBX delivered 2.97% annualized total return. Past performance doesn't predict future results.

Applied Optoelectronics, Inc. (AAOI) vs Dropbox, Inc. (DBX)

A side-by-side comparison of Applied Optoelectronics, Inc. and Dropbox, Inc. 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.

AAOI

Applied Optoelectronics, Inc.

$9.28B

$115.61TechnologyDelayed quote: Oct 2, 2026, 3:55 PM EDT

DBX

Dropbox, Inc.

$8.60B

$33.80TechnologyDelayed quote: Oct 2, 2026, 3:55 PM EDT

Total return — AAOI vs DBX

growth of $100 · dividends reinvested · last 9y

AAOI +301.8% (+16.7%/yr)DBX +19.7% (+2.0%/yr)AAOI compounded faster over this window

AAOI DBX

AAOI vs DBX: by the numbers

•AAOI is the larger company ($9.28B vs $8.60B market cap).
•DBX is profitable (17.49% net margin) while AAOI runs a net loss (-9.57%).
•AAOI grew revenue faster over the past five years (20.68% vs 4.48% CAGR).

Metrics side by side

Valuation

Metric	AAOI	DBX
P/E ratio	N/A	18.78
Forward P/E	156.23	11.05
P/S ratio	15.57	3.40
P/B ratio	5.56	N/A
EV / EBITDA	N/A	13.94
FCF yield	N/A	11.13%

Profitability

Metric	AAOI	DBX
Gross margin	28.92%	79.72%
Operating margin	-11.31%	26.49%
Net margin	-9.57%	17.49%
ROE	-3.42%	N/A
ROIC	-3.49%	31.70%

Growth (annualized)

Metric	AAOI	DBX
Revenue CAGR (5Y)	20.68%	4.48%
FCF CAGR (5Y)	N/A	7.39%
Total return CAGR (5Y)	71.72%	2.97%

Frequently asked

Which has grown faster, AAOI or DBX?: Over the past five years, AAOI grew revenue faster — AAOI at a 20.68% CAGR versus DBX at 4.48%.
Is AAOI or DBX more profitable?: DBX runs the higher net margin — AAOI at -9.57% versus DBX at 17.49%.
How have AAOI and DBX total returns compared?: Over the past 5 years, AAOI delivered 71.72% and DBX delivered 2.97% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAOI analysis Full DBX analysis Interactive comparison tool

Dig into the metrics

Dropbox P/E ratio Applied Optoelectronics ROE Dropbox ROE Applied Optoelectronics operating margin Dropbox operating margin Applied Optoelectronics revenue growth Dropbox revenue growth Applied Optoelectronics free cash flow Dropbox free cash flow

Applied Optoelectronics & Dropbox appear in these rankings

Fastest Revenue Growth Stocks Highest ROIC Stocks Highest FCF Yield 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 2, 2026.