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Applied Optoelectronics, Inc.. (AAOI) Stock Fundamental Analysis & AI Rating 2026

AAOI Nasdaq Semiconductors & Related Devices DE CIK: 0001158114
Updated This Month • Analysis: Mar 18, 2026 • SEC Data: 2025-12-31
Combined AI Rating
SELL
84% Confidence
STRONG AGREEMENT
SELL
85% Conf
SELL
82% Conf

📊 AAOI Key Takeaways

Revenue: $455.7M
Net Margin: -8.4%
Free Cash Flow: $-353.6M
Current Ratio: 2.63x
Debt/Equity: 0.05x
EPS: $-0.64
AI Rating: SELL with 85% confidence
Applied Optoelectronics, Inc.. (AAOI) receives a SELL rating with 84% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $455.7M, net profit margin of -8.4%, and return on equity (ROE) of -5.2%, Applied Optoelectronics, Inc.. demonstrates mixed fundamentals in the Technology sector. Below is our complete AAOI stock analysis for 2026.

Is Applied Optoelectronics, Inc.. (AAOI) a Good Investment?

Claude

Despite strong revenue growth of 82.8% YoY, AAOI is deeply unprofitable with negative operating income of -$54.6M and deteriorating cash flows. The company is burning cash at an alarming rate with -$353.6M free cash flow, indicating that growth is not translating to sustainable business fundamentals or profitability.

ChatGPT

Applied Optoelectronics is showing strong top-line momentum, with revenue up 82.8% year over year and materially improved net loss and EPS trends. However, growth quality is weak because the business remains unprofitable at the operating and net levels while burning substantial cash, with deeply negative operating cash flow and free cash flow. The balance sheet is currently a stabilizer due to strong liquidity, high equity, and low debt, but the company needs much better operating conversion for fundamentals to become durable.

Why Buy Applied Optoelectronics, Inc.. Stock? AAOI Key Strengths

Claude
  • + Strong revenue growth of 82.8% YoY demonstrates significant top-line momentum
  • + Healthy liquidity position with current ratio of 2.63x and $206.1M in cash
  • + Low leverage with debt-to-equity ratio of only 0.05x provides financial flexibility
ChatGPT
  • + Revenue growth is exceptionally strong, indicating rising demand and business momentum
  • + Gross margin of 30.0% shows the company can generate meaningful product-level profitability
  • + Balance sheet is healthy with $206.14M in cash, a 2.63x current ratio, and very low debt-to-equity of 0.05x

AAOI Stock Risks: Applied Optoelectronics, Inc.. Investment Risks

Claude
  • ! Severe profitability challenges with -12.0% operating margin and -8.4% net margin
  • ! Massive negative free cash flow of -$353.6M indicates unsustainable business model despite revenue growth
  • ! Operating cash flow of -$174.4M combined with high capex of $179.1M suggests capital-intensive operations not yet generating returns
  • ! Negative ROE of -5.2% and ROA of -3.3% indicate the asset base is not generating shareholder value
ChatGPT
  • ! Operating margin remains negative at -12.0%, showing the company has not scaled into profitability
  • ! Operating cash flow of -$174.43M and free cash flow of -$353.58M indicate poor cash generation and heavy funding needs
  • ! Negative interest coverage and ongoing losses raise execution risk if growth slows or margins fail to improve

Key Metrics to Watch

Claude
  • * Operating cash flow - must turn positive to validate business sustainability
  • * Gross margin trends - critical to understand if margin compression will continue
  • * Free cash flow conversion - monitor when the business can achieve positive FCF at scale
  • * Operating expense leverage - assess whether SG&A and R&D spending decline as percentage of revenue
ChatGPT
  • * Operating cash flow and free cash flow improvement
  • * Operating margin progression toward sustained profitability

Applied Optoelectronics, Inc.. (AAOI) Financial Metrics & Key Ratios

Revenue
$455.7M
Net Income
$-38.2M
EPS (Diluted)
$-0.64
Free Cash Flow
$-353.6M
Total Assets
$1.2B
Cash Position
$206.1M

💡 AI Analyst Insight

Strong liquidity with a 2.63x current ratio provides a solid financial cushion.

AAOI Profit Margin, ROE & Profitability Analysis

Gross Margin 30.0%
Operating Margin -12.0%
Net Margin -8.4%
ROE -5.2%
ROA -3.3%
FCF Margin -77.6%

AAOI vs Technology Sector: How Applied Optoelectronics, Inc.. Compares

How Applied Optoelectronics, Inc.. compares to Technology sector averages

Net Margin
AAOI -8.4%
vs
Sector Avg 18.0%
AAOI Sector
ROE
AAOI -5.2%
vs
Sector Avg 22.0%
AAOI Sector
Current Ratio
AAOI 2.6x
vs
Sector Avg 2.5x
AAOI Sector
Debt/Equity
AAOI 0.0x
vs
Sector Avg 0.5x
AAOI Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Applied Optoelectronics, Inc.. Stock Overvalued? AAOI Valuation Analysis 2026

Based on fundamental analysis, Applied Optoelectronics, Inc.. has mixed fundamental signals relative to the Technology sector in 2026.

Return on Equity
-5.2%
Sector avg: 22%
Net Profit Margin
-8.4%
Sector avg: 18%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.05x
Sector avg: 0.5x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Applied Optoelectronics, Inc.. Balance Sheet: AAOI Debt, Cash & Liquidity

Current Ratio
2.63x
Quick Ratio
1.91x
Debt/Equity
0.05x
Debt/Assets
37.2%
Interest Coverage
-5.79x
Long-term Debt
$34.0M

AAOI Revenue & Earnings Growth: 5-Year Financial Trend

AAOI 5-year financial data: Year 2021: Revenue $234.6M, Net Income -$66.0M, EPS $-3.31. Year 2022: Revenue $234.6M, Net Income -$58.5M, EPS $-2.67. Year 2023: Revenue $222.8M, Net Income -$54.2M, EPS $-2.01. Year 2024: Revenue $249.4M, Net Income -$66.4M, EPS $-2.38. Year 2025: Revenue $455.7M, Net Income -$56.0M, EPS $-1.75.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Applied Optoelectronics, Inc..'s revenue has grown significantly by 94% over the 5-year period, indicating strong business expansion. The most recent EPS of $-1.75 indicates the company is currently unprofitable.

AAOI Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-77.6%
Free cash flow / Revenue

AAOI Quarterly Earnings & Performance

Quarterly financial performance data for Applied Optoelectronics, Inc.. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $65.2M -$17.8M $-0.28
Q2 2025 $43.3M -$9.1M $-0.16
Q1 2025 $40.7M -$9.2M $-0.18
Q3 2024 $62.5M -$9.0M $-0.27
Q2 2024 $41.6M -$16.9M $-0.57
Q1 2024 $40.7M -$16.3M $-0.56
Q3 2023 $56.7M -$9.0M $-0.27
Q2 2023 $41.6M -$14.5M $-0.52

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Applied Optoelectronics, Inc.. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$174.4M
Cash generated from operations
Capital Expenditures
$179.1M
Investment in assets
Dividends
None
No dividend program

AAOI SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Applied Optoelectronics, Inc.. (CIK: 0001158114)

📋 Recent SEC Filings

Date Form Document Action
Apr 14, 2026 4 xslF345X06/ownership.xml View →
Apr 13, 2026 8-K aaoi_8k.htm View →
Mar 23, 2026 4 xslF345X06/ownership.xml View →
Mar 18, 2026 4 xslF345X06/ownership.xml View →
Mar 12, 2026 8-K tm268500d1_8k.htm View →

Frequently Asked Questions about AAOI

What is the AI rating for AAOI?

Applied Optoelectronics, Inc.. (AAOI) has a Combined AI Rating of SELL from Claude (SELL) and ChatGPT (SELL) with 84% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are AAOI's key strengths?

Claude: Strong revenue growth of 82.8% YoY demonstrates significant top-line momentum. Healthy liquidity position with current ratio of 2.63x and $206.1M in cash. ChatGPT: Revenue growth is exceptionally strong, indicating rising demand and business momentum. Gross margin of 30.0% shows the company can generate meaningful product-level profitability.

What are the risks of investing in AAOI?

Claude: Severe profitability challenges with -12.0% operating margin and -8.4% net margin. Massive negative free cash flow of -$353.6M indicates unsustainable business model despite revenue growth. ChatGPT: Operating margin remains negative at -12.0%, showing the company has not scaled into profitability. Operating cash flow of -$174.43M and free cash flow of -$353.58M indicate poor cash generation and heavy funding needs.

What is AAOI's revenue and growth?

Applied Optoelectronics, Inc.. reported revenue of $455.7M.

Does AAOI pay dividends?

Applied Optoelectronics, Inc.. does not currently pay dividends.

Where can I find AAOI SEC filings?

Official SEC filings for Applied Optoelectronics, Inc.. (CIK: 0001158114) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is AAOI's EPS?

Applied Optoelectronics, Inc.. has a diluted EPS of $-0.64.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is AAOI a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Applied Optoelectronics, Inc.. has a SELL rating with 84% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is AAOI stock overvalued or undervalued?

Valuation metrics for AAOI: ROE of -5.2% (sector avg: 22%), net margin of -8.4% (sector avg: 18%). Compare these metrics with sector averages to assess valuation.

Should I buy AAOI stock in 2026?

Our dual AI analysis gives Applied Optoelectronics, Inc.. a combined SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is AAOI's free cash flow?

Applied Optoelectronics, Inc..'s operating cash flow is $-174.4M, with capital expenditures of $179.1M. FCF margin is -77.6%.

How does AAOI compare to other Technology stocks?

Vs Technology sector averages: Net margin -8.4% (avg: 18%), ROE -5.2% (avg: 22%), current ratio 2.63 (avg: 2.5).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 18, 2026 | Data as of: 2025-12-31 | Powered by Claude AI