Applied Optoelectronics, Inc. (AAOI) stock
Close on Nov 13, 2026Market cap $4.22BP/E –Yield –
Applied Optoelectronics, Inc. grew revenue 77.2% to $747.22M over the twelve months to Sep 30, 2026. Free cash flow was -$353.58M. At the latest close the market valued the company at $4.22B.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $4.22B
- P/E ratio
- –
- Price to sales
- 5.65
- Price to book
- 1.88
- Dividend yield
- –
- Free cash flow yield
- –
Fundamentals
- Revenue
- $747.22M
- Net income
- -$32.78M
- EPS, diluted
- -$0.43
- Free cash flow
- -$353.58M
- Book value per share
- $25.52
- Diluted shares
- 88M
Trading
- Next earnings
- Feb 25, 2027 (estimated, after the close)
- Previous close
- $52.85
- Open
- $51.91
- Day's range
- $47.27 – $53.50
- Volume
- 10,862,080
- Average volume (20 days)
- 13,590,032
- Index membership
- Russell 1000 (since Jun 2026), Russell 3000 (since Aug 2024)
- Beta (5 years)
- 2.33
- 52-week range
- $18.50 – $233.67
- RSI (14 days)
- 34.4
- Volatility (1 year)
- 146.3%
- Relative volume
- 1.01×
- WACC
- 16.5%
Index membership is inferred from the holdings of funds that track each index (IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2013, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.
| Period | AAOI | S&P 500 | Difference | AAOI per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -49.0% | -3.0% | −45.9 pts | ||
| 3 months | -61.6% | -2.8% | −58.9 pts | ||
| Year to date | +43.1% | +11.5% | +31.6 pts | ||
| 1 year | +138.6% | +13.5% | +125.1 pts | ||
| 3 years | +353.5% | +77.7% | +275.8 pts | +65.5% | +21.1% |
| 5 years | +720.6% | +72.6% | +647.9 pts | +52.3% | +11.5% |
| 10 years | +99.8% | +308.2% | −208.4 pts | +7.2% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Applied Optoelectronics filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Update
- Results
About Applied Optoelectronics
Semiconductors & Related Devices
Applied Optoelectronics, Inc. designs and manufactures vertically integrated fiber-optic networking products spanning optical components, subassemblies, modules, and turn-key equipment. The company develops foundational semiconductor lasers and related technologies for use in high-performance networking applications. Its core solutions include optical transceivers, light engines, transmitters, and cable television amplifiers. Applied Optoelectronics primarily targets four end-markets: internet data centers, cable television (CATV), telecommunications, and fiber-to-the-home (FTTH). Its customer base consists of large hyperscale data center operators, cable multiple system operators, telecommunications service providers, network equipment manufacturers, and third-party transceiver makers.
Company profile, executives and historyApplied Optoelectronics stock: common questions
What is Applied Optoelectronics's stock price?
AAOI closed at $49.89 on Nov 13, 2026, down 5.60% on the day. Over the past 52 weeks it traded between $18.50 and $233.67.
What is Applied Optoelectronics's market cap?
Applied Optoelectronics was worth $4.22B at the close on Nov 13, 2026: the share price times the diluted shares outstanding.
What is AAOI's P/E ratio?
Applied Optoelectronics lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.43), so it has no meaningful P/E ratio.
How much revenue does Applied Optoelectronics make?
Applied Optoelectronics reported revenue of $747.22M for the twelve months to Sep 30, 2026, up 77.2% from a year earlier.
Does Applied Optoelectronics pay a dividend?
No. Applied Optoelectronics has not paid a cash dividend over the last twelve months.
When does Applied Optoelectronics report earnings next?
Applied Optoelectronics is expected to report Q4 FY2026 results on Feb 25, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has AAOI stock performed over the past year?
Including dividends, AAOI returned +138.6% over the past year, against +13.5% for the S&P 500.
How many AAOI shares are sold short?
18M shares were sold short at the latest FINRA report, 22.42% of the float, or 1.6 days of average trading volume.
Who are Applied Optoelectronics's competitors?
Companies most similar to Applied Optoelectronics by business, industry and size include IPGP, AOSL, MTSI, MXL, FORM.
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