Applied Optoelectronics, Inc. (AAOI)

Applied Optoelectronics, Inc. trades on Nasdaq under the ticker AAOI. The company belongs to the Technology sector. The trading history on this page starts on 22 August 2016.

Over the past 52 weeks AAOI has traded between 18.50 $ and 233.67 $. As of 2 November 2026 the price stood 26.52 % of the way from the 52-week low to the high.

Over one year AAOI shares rose 142.68 %; over six months they fell 52.60 %. Volatility over 90 days is 121.42 %. Dividends are not included: this is price change only, as of 2 November 2026.

The company reported a loss over the last four quarters, so a price-to-earnings ratio is not calculated. Price to sales is 9.6, above the sector median of 3.4. Price to book is 3.4, above the sector median of 3.4. Calculated from reports for the period ending 30 June 2026.

Applied Optoelectronics, Inc. reported revenue of 596M $ and a net loss of 57M $ over the last four quarters. Net margin is −9.57 %. Revenue changed by +61.85 % year over year. Earnings per share are −0.77 $. Market capitalisation is 5.7B $.

AAOI has a return on equity of −3.42 %, below the sector median of 2.27 %. Return on assets is −2.48 %, below the sector median of 0.67 %. Operating margin is −11.31 %, below the sector median of 1.05 %.