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Buy Day today: Neutral (53) Mixed market breadth · no major macro event

Applied Optoelectronics, Inc. (AAOI)

Technology Communication Equipment
94.30 $
Closing price · As of: 31. Jul 2026
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This stock currently matches 23 of our scanner strategies — each hit links to the scanner.

Only genuine hits from verified scanners count; pure ranking metrics (P/E, P/S, and similar, which just sort the whole universe) don't count as a hit. Scanners marked in red are red-flag signals (risk/short scanners) — appearing there is not a seal of approval. View all scanners

Basics

Market Cap
7.6$B
Shares Outstanding
80Mio.
Float
95.1%
Beta
3.7

Performance

Perf. 1M
-11.20%
Perf. 3M
52.80%
Perf. 6M
266.10%
YTD Performance (%)
322.90%
52-Week-High Distance
-40.7%

Valuation

P/E
Forward P/E
84.0
PEG
0.8
P/B
6.9
P/S
14.9
EV/EBITDA
38.4
Price/FCF

Profitability

Gross Margin
29.6%
EBIT Margin
-8.6%
Net Margin
-8.6%
Return on Equity
-6.1%
Return on Assets
-3.3%

Balance Sheet & Safety

Equity Ratio
70.6%
Debt/Equity
0.2
fortress balance sheet
Altman Z″
7.59
Piotroski
4 out of 9

Growth

Sales Growth Last Quarter
51.40%
EPS Growth Last Quarter
0.00%
Sales Growth (Year)
82.75%
Forward Sales Growth
149.95%
Forward EPS Growth
437.20%

Quality & Screener

Stage
2
Top 10%
RS Rating
98
EPS Rating
42
Piotroski
4 out of 9
Fundamental Rating
B (62 out of 100)
fortress balance sheet
Altman Z″
7.59

AI Rating

Sells AI

Das Kerngeschäft — optische 400G/800G-Transceiver für Hyperscale-Rechenzentren — wird laut 10-K/10-Q ausdrücklich für den KI-Ausbau der Cloud-Betreiber verkauft; die Berichte führen das Umsatzwachstum im Rechenzentrumsgeschäft direkt auf generative KI zurück und benennen KI-Nachfrage zugleich als konkretes Planungsrisiko. KI-getriebene Infrastruktur-Nachfrage ist damit eine dokumentierte Umsatzquelle.

View the full file — quotes, sources, reviewed filings
„In addition, we believe that the significant automation employed in our production process for data center optical modules gives us advantages over our competitors in the ability to scale production rapidly, which is beneficial because the rapid adoption of artificial intelligence ("AI") is fueling a new wave of investment by hyperscale data center operators, as AI computing is very compute and bandwidth intensive."

Zudem verschafft uns der hohe Automatisierungsgrad unserer Fertigung optischer Rechenzentrums-Module aus unserer Sicht Vorteile gegenüber Wettbewerbern beim schnellen Hochskalieren der Produktion — was von Vorteil ist, weil die rasche Verbreitung der Künstlichen Intelligenz („KI“) eine neue Investitionswelle der Hyperscale-Rechenzentrumsbetreiber befeuert, denn KI-Computing ist äußerst rechen- und bandbreitenintensiv.

10-K · 2026-02-26 · View SEC filing
„The leading-edge AI applications require significantly more compute capacity and bandwidth, driving the need for faster (800Gbps and higher) and innovative optical networking solutions to support the intra-data center connectivity needs."

Die führenden KI-Anwendungen erfordern deutlich mehr Rechenkapazität und Bandbreite und treiben damit den Bedarf an schnelleren (800 Gbit/s und mehr) und innovativen optischen Netzwerklösungen für die Konnektivität innerhalb der Rechenzentren.

10-K · 2026-02-26 · View SEC filing
„While the new customer interaction is not material within the quarter, we believe that both this new customer interaction and much of the growth in our existing data center business is related to efforts by these customers to increase processing capacity within their data centers, largely to accommodate applications enabled by generative artificial intelligence ("AI")."

Auch wenn die neue Kundenbeziehung im Quartal noch nicht wesentlich ist, gehen wir davon aus, dass sowohl diese neue Kundenbeziehung als auch ein Großteil des Wachstums in unserem bestehenden Rechenzentrumsgeschäft auf die Bemühungen dieser Kunden zurückgeht, die Rechenkapazität in ihren Rechenzentren zu erhöhen — vor allem für Anwendungen, die durch generative Künstliche Intelligenz („KI“) ermöglicht werden.

10-Q · 2025-11-06 · View SEC filing
„If AI adoption slows, stalls, or follows a trajectory that differs from our planning assumptions, we could incur overcapacity, lower utilization rates, and negative operating leverage."

Wenn sich die KI-Einführung verlangsamt, ins Stocken gerät oder anders verläuft als in unseren Planungsannahmen, könnten uns Überkapazitäten, geringere Auslastung und negative operative Hebel treffen.

10-K · 2026-02-26 · View SEC filing

Filings Reviewed: 10-Q 2026-05-07 · 10-Q 2025-11-06 · 10-Q 2025-08-07 · 10-Q 2025-05-08 · 10-K 2026-02-26 · 10-K 2025-02-28

Rated on July 8, 2026 · How the Rating Is Built

Highlighted are things our editorial team noticed: green = stands out as strong, red = deserves a closer look. No single metric is a verdict on its own — always read it in context.

Sales Per Quarter ($M)
2024: Q4 · 100.3 $M Q4 2025: Q1 · 99.9 $M Q1 2025: Q2 · 103.0 $M Q2 2025: Q3 · 118.6 $M Q3 2025: Q4 · 134.3 $M Q4 2026: Q1 · 151.1 $M Q1
Earnings Per Share Per Quarter ($)
2024: Q4 · -2.60 $ Q4 2025: Q1 · -0.18 $ Q1 2025: Q2 · -0.16 $ Q2 2025: Q3 · -0.28 $ Q3 2025: Q4 · -0.03 $ Q4 2026: Q1 · -0.19 $ Q1
Net Margin Per Quarter (%)
2024: Q4 · -119.4 % Q4 2025: Q1 · -9.2 % Q1 2025: Q2 · -8.8 % Q2 2025: Q3 · -15.1 % Q3 2025: Q4 · -1.5 % Q4 2026: Q1 · -9.4 % Q1
Operating Cash Flow Per Quarter ($M)
2024: Q4 · -24.6 $M Q4 2025: Q1 · -50.9 $M Q1 2025: Q2 · -65.5 $M Q2 2025: Q3 · -28.5 $M Q3 2025: Q4 · -29.6 $M Q4 2026: Q1 · -85.4 $M Q1
Free Cash Flow Per Quarter ($M)
2024: Q4 · -53.1 $M Q4 2025: Q1 · -79.4 $M Q1 2025: Q2 · -91.0 $M Q2 2025: Q3 · -78.8 $M Q3 2025: Q4 · 74.5 $M Q4 2026: Q1 · -143.6 $M Q1
Sales Growth vs. Year-Ago Quarter (%)
2024: Q4 · 65.9 % Q4 2025: Q1 · 145.5 % Q1 2025: Q2 · 137.9 % Q2 2025: Q3 · 82.1 % Q3 2025: Q4 · 33.9 % Q4 2026: Q1 · 51.4 % Q1
Price Change in Quarter (%)
2024: Q4 · 157.6 % Q4 2025: Q1 · -58.4 % Q1 2025: Q2 · 67.4 % Q2 2025: Q3 · 0.9 % Q3 2025: Q4 · 34.4 % Q4 2026: Q1 · 142.7 % Q1

Quarterly Figures

Quarterly Figures
Quarter EPS (Earnings Per Share) EPS YoY (%) Sales ($M) Sales YoY (%) Net Margin (%) OCF ($M) FCF ($M)
2024: Q4 -2.60 100 65.90 -119.40 -25 -53
2025: Q1 -0.18 100 145.50 -9.20 -51 -79
2025: Q2 -0.16 103 137.90 -8.80 -66 -91
2025: Q3 -0.28 119 82.10 -15.10 -29 -79
2025: Q4 -0.03 134 33.90 -1.50 -30 75
2026: Q1 -0.19 151 51.40 -9.40 -85 -144
What Do These Terms Mean?
EPS (Earnings Per Share):
Quarterly profit divided by the total share count — how much of the profit works out to a single share.
YoY (Year over Year):
Change versus the same quarter a year ago — this is how you compare without seasonal distortion (e.g. the holiday shopping season).
Sales:
All revenue for the quarter, before any costs are deducted — the top line of the income statement.
Net Margin:
What percentage of sales is left over as profit in the end. Negative means the company is posting a loss.
OCF (Operating Cash Flow):
The cash that actually flows into the till from the core business during the quarter — harder to dress up than book profit.
FCF (Free Cash Flow):
Operating cash flow minus capital expenditures — the money that's genuinely free to use, say for paying down debt, buybacks, or dividends.

About the Company

Applied Optoelectronics, Inc. ist in der Entwicklung, Fertigung und im Verkauf von Glasfaser-Netzwerkprodukten in den USA, Taiwan und China tätig.

Employees4,691
HeadquartersSugar Land, TX
Websiteao-inc.com
IPO Date26. Sep 2013
Next Earnings6. Aug 2026

Management

Management
Name Title Birth Year
Chih-Hsiang Lin Ph.D. Founder, Chairman, President & CEO 1963
Stefan J. Murry Ph.D. CFO & Chief Strategy Officer 1973
David C. Kuo J.D. Senior VP, Chief Legal & Compliance Officer and Secretary 1983
Hung-Lun Chang Ph.D. Senior VP of Optical Component Business Unit & North America GM 1964
Shu-Hua Yeh Senior VP of Network Equipment Module Business Unit & Asia GM 1966
Lindsay Grant Savarese Investor Relations
Todd McCrum Senior VP & GM of Broadband Access
Jessica Hung VP of Finance & Controller

Executives per the latest required filings; titles kept in their original language. Source: fundamental data.

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
22. Jul 2026 Kuo David C *** See Remarks Other 407 119.26 48,539
22. Jul 2026 Kuo David C *** See Remarks Other 516 119.26 61,538
22. Jul 2026 Kuo David C *** See Remarks Other 472 119.26 56,291
22. Jul 2026 Kuo David C *** See Remarks Other 1,869 119.26 222,897
22. Jul 2026 Murry Stefan J. Chief Financial Officer Other 770 119.26 91,830
22. Jul 2026 Murry Stefan J. Chief Financial Officer Other 988 119.26 117,829
22. Jul 2026 Murry Stefan J. Chief Financial Officer Other 679 119.26 80,978
22. Jul 2026 Murry Stefan J. Chief Financial Officer Other 2,971 119.26 354,321
22. Jul 2026 Chang Hung-Lun (Fred) *** See Remarks Other 616 119.26 73,464
22. Jul 2026 Chang Hung-Lun (Fred) *** See Remarks Other 773 119.26 92,188

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.

View all insider transactions →

Chart

Interactive price chart (TradingView).

Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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