Applied Optoelectronics (AAOI) closed at $77.32 on October 21, 2026, up 0.8% from the previous close, on volume of 6,944,644 shares (30-day average 9,195,279).
Data as of October 21, 2026.
21-Oct-2026
The top 25 stocks in the Russell 1000 declined 19% on average last week
Seeking Alpha News (Mon, 19-Oct 11:57 AM ET)
AAOI Sets Nov. 5 Call to Detail Q3 Results and Q4 Outlook for AI Datacenter Optics
Market Chameleon (Fri, 16-Oct 3:08 AM ET)
Applied Optoelectronics Announces Date of Third Quarter 2026 Financial Results Conference Call
PRNewswire (Thu, 15-Oct 4:11 PM ET)
Applied Optoelectronics Announces Completion of Previously Announced At the Market Offering
PRNewswire (Mon, 5-Oct 7:00 AM ET)
PRNewswire (Tue, 29-Sep 7:01 AM ET)
Market Chameleon (Thu, 24-Sep 3:08 AM ET)
AOI Brings First Live Quantum30 3.0GHz Concept Demo to SCTE TechExpo in Atlanta
PRNewswire (Thu, 24-Sep 7:01 AM ET)
Wafer Inspection Equipment Market Growth - Why AI Chip Production Is Driving Demand
Globe Newswire (Wed, 23-Sep 8:30 AM ET)
Applied Optoelectronics Announces Equity Grants To Employees Under Inducement Plan
Globe Newswire (Fri, 7-Aug 8:15 AM ET)
Market Chameleon (Fri, 7-Aug 3:08 AM ET)
Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to meet turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.
Applied Optoelectronics trades on the NASDAQ stock market under the symbol AAOI.
As of October 21, 2026, AAOI stock price climbed to $77.32 with 6,944,644 million shares trading.
AAOI has a beta of 2.92, meaning it tends to be more sensitive to market movements. AAOI has a correlation of 0.09 to the broad based SPY ETF.
AAOI has a market cap of $6.56 billion. This is considered a Mid Cap stock.
Last quarter Applied Optoelectronics reported $192 million in Revenue and $.06 earnings per share. This beat revenue expectation by $1 million and exceeded earnings estimates by $.05.
In the last 3 years, AAOI traded as high as $233.67 and as low as $6.66.
The top ETF exchange traded funds that AAOI belongs to (by Net Assets): VTI, VB, BAI, VBK, VXF.
AAOI has outperformed the market in the last year with a return of +131.5%, while the SPY ETF gained +16.3%. However, in the most recent history, AAOI shares have underperformed the stock market with its stock returning -35.2% in the last 3 month period and -36.9% for the last 2 week period, while SPY has returned +3.6% and -0.5%, respectively.
AAOI support price is $71.80 and resistance is $81.68 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that AAOI shares will trade within this expected range on the day.
