One Reason To Buy Applied Optoelectronics Stock Now
Shares of Applied Optoelectronics (AAOI) fell 13.6% on October 8, 2026, compared to a 0.4% decline for the S&P 500. This drop may leave investors wondering if the underlying growth is starting to fade. Management has made one point clear: customers want more of its 800G and 1.6T data center products than it can produce. So how fast can Applied Optoelectronics build more?

Applied Optoelectronics Roughly Doubled Capacity In A Few Months
During the August 6, 2026 earnings call, management noted the company could manufacture close to 200 thousand units a month. That output marked a sharp increase from nearly 100 thousand units at the end of the first quarter. These units are the 800G and 1.6T transceivers, the optical products the company sells for AI data centers. By the end of 2026, management expects to be able to make over 650 thousand a month.
Customer demand appears ready to absorb them. Management stated that forecast demand for these transceivers remains above what the company can produce through mid-2027. In the second quarter of 2026, data center revenue reached $107.7 million, climbing 140.4% from a year earlier. Total company sales have grown 45.7% a year on average over three years, compared to a 5.8% average for the S&P 500. By management’s account, near-term sales are limited almost entirely by how much the company can build and by the components it can obtain.
Expanding production at this pace requires capital, and the company is raising those funds from shareholders. Applied Optoelectronics made $565.5 million of capital investments in the second quarter. This spending exceeded the $508.8 million in cash, short-term investments, and restricted cash it held at quarter-end. On October 5, the company stated it had completed a $600 million sale of new shares. Each new share issued leaves existing holders with a smaller piece of the company.
Is Applied Optoelectronics Short Of Components?
Supply constraints were apparent on the August 6, 2026 call, when management named components as its big challenge. Specifically, two components used in its 800G and 1.6T transceivers are in short supply, and management said it is working closely with suppliers.
Manufacturing equipment presents less of a worry. Because Applied Optoelectronics relies on machinery it developed in-house, management said the company is shielded from equipment shortages affecting other parts of the industry.
Supply bottlenecks at a customer were also hurting the business. On that same call, management said it expected 100G sales to decline in the third quarter because one customer could not find enough switches to meet its own forecast. Ultimately, the plants and machines are largely in the company’s hands, but the components are not.
Shareholders Have Seen Applied Optoelectronics Stock Fall Hard Before
Shares have dropped further than the S&P 500 during each of five recent market shocks. For example, the stock lost 72% during the 2022 inflation shock, a period when the S&P 500 fell 24%. It also fell 63% in the 2025 tariff shock, against a 19% decline for the broader index.
Even after the latest drop, the stock trades at 14.5 times sales, compared to 3.0 for the S&P 500. The company lacks a meaningful price-to-earnings ratio because it lost money over the past twelve months. Currently, investors appear to be paying for sales the new plants have yet to produce.
The next set of financial results will cover the third quarter of 2026. Management guided to revenue of $255 million to $290 million, compared to $191.9 million in the second quarter. Revenue falling inside that range would show that the newly added capacity is turning into sales. Revenue below that range would suggest that capacity or component supply is still holding the company back.
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