Which has grown faster, AAOI or APPF?

Over the past five years, APPF grew revenue faster — AAOI at a 20.68% CAGR versus APPF at 26.26%.

Is AAOI or APPF more profitable?

APPF runs the higher net margin — AAOI at -9.57% versus APPF at 15.13%.

How have AAOI and APPF total returns compared?

Over the past 10 years, AAOI delivered 21.40% and APPF delivered 28.77% annualized total return. Past performance doesn't predict future results.

Applied Optoelectronics, Inc. (AAOI) vs AppFolio Inc. (APPF)

A side-by-side comparison of Applied Optoelectronics, Inc. and AppFolio Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 27, 2026. Differences are shown without an overall score or investment verdict.

AAOI

Applied Optoelectronics, Inc.

$9.09B

$113.28TechnologyDelayed quote: Aug 27, 2026, 4:00 PM EDT

APPF

AppFolio Inc.

$8.29B

$232.06TechnologyDelayed quote: Aug 27, 2026, 4:00 PM EDT

Total return — AAOI vs APPF

growth of $100 · dividends reinvested · last 10y

AAOI +575.1% (+21.0%/yr)APPF +1116.8% (+28.4%/yr)APPF compounded faster over this window

AAOI APPF

AAOI vs APPF: by the numbers

•AAOI is the larger company ($9.09B vs $8.29B market cap).
•APPF is profitable (15.13% net margin) while AAOI runs a net loss (-9.57%).
•APPF grew revenue faster over the past five years (26.26% vs 20.68% CAGR).

Metrics side by side

Valuation

Metric	AAOI	APPF
P/E ratio	N/A	52.98
Forward P/E	153.73	33.63
P/S ratio	15.57	7.94
P/B ratio	5.56	15.72
EV / EBITDA	N/A	39.75
FCF yield	N/A	3.25%

Profitability

Metric	AAOI	APPF
Gross margin	28.92%	63.04%
Operating margin	-11.31%	17.52%
Net margin	-9.57%	15.13%
ROE	-3.42%	29.94%
ROIC	-3.49%	26.85%

Growth (annualized)

Metric	AAOI	APPF
Revenue CAGR (5Y)	20.68%	26.26%
EPS CAGR (5Y)	N/A	-3.28%
FCF CAGR (5Y)	N/A	72.35%
Total return CAGR (5Y)	74.22%	13.66%

Frequently asked

Which has grown faster, AAOI or APPF?: Over the past five years, APPF grew revenue faster — AAOI at a 20.68% CAGR versus APPF at 26.26%.
Is AAOI or APPF more profitable?: APPF runs the higher net margin — AAOI at -9.57% versus APPF at 15.13%.
How have AAOI and APPF total returns compared?: Over the past 10 years, AAOI delivered 21.40% and APPF delivered 28.77% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAOI analysis Full APPF analysis Interactive comparison tool

Dig into the metrics

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

Applied Optoelectronics & AppFolio appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC 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 August 27, 2026.