Applied Optoelectronics rides 800G demand with 4x shipment growth ahead

The 800G optical transceiver market is accelerating faster than supply can keep up, and Applied Optoelectronics is among the biggest beneficiaries. The company shipped its first volume order of 800G single-mode transceivers to a major hyperscale customer in the first quarter, generating $4.6 million in revenue, and expects to ship nearly four times that quantity in the second quarter.

"Demand for 800G is outstripping available production capacity across the industry, and we expect that imbalance to persist through at least mid-2027," management said during the company's most recent earnings call.

AAOI plans to produce more than 650,000 units of 800G and 1.6T products per month by the end of 2026, scaling to more than 930,000 units per month by the end of 2027. The company also secured its first volume order for 1.6T transceivers from another long-term hyperscale customer, with 800G deliveries expected in the second quarter and 1.6T deliveries as early as the third quarter, completing by year-end 2026. AAOI has invested heavily in expanding its U.S. manufacturing footprint in Texas, as well as facilities in Taiwan and China, to support the ramp.

If AAOI hits its targets, 800G revenue alone could reach about $217 million per month by mid-2027, with total data center transceiver revenue hitting roughly $471 million monthly. That would represent a dramatic scaling from the $4.6 million in 800G revenue the company reported in the first quarter — a reflection of how quickly the AI infrastructure buildout is transforming the optical networking market.

Competition Heats Up as Nvidia Backs Rivals

While AAOI capitalizes on early-mover advantage, it faces intensifying competition from Lumentum and Coherent, both of which have secured multibillion-dollar partnerships with Nvidia. Coherent announced a strategic agreement with Nvidia in the third quarter of fiscal 2026 that includes a $2 billion equity investment and a multi-year supply agreement extending through the end of the decade. Lumentum followed in March 2026 with a similar deal, receiving a $2 billion Nvidia investment and a multibillion-dollar purchase commitment to expand U.S. manufacturing capacity and R&D.

These partnerships give AAOI's rivals both capital and a guaranteed customer in Nvidia, the dominant supplier of AI training chips. For AAOI, the risk is that hyperscale customers — many of whom are also Nvidia's largest buyers — may favor transceiver suppliers with deeper Nvidia integration. Coherent's partnership specifically targets advanced optical networking and co-packaged optics technologies for AI data centers, areas where AAOI is also investing heavily.

Valuation Reflects the AI Premium

AAOI shares have surged 250.6% year to date, far outpacing the Zacks Computer & Technology sector's 15.3% gain and the Electronics - Semiconductors industry's 44.9% rise. The stock trades at 18.32 times trailing 12-month sales, above the industry average of 16.35 times, and carries a Zacks Value Score of F, indicating it is overvalued by traditional metrics.

The Zacks consensus estimate for 2026 earnings stands at 80 cents per share, implying 407.7% year-over-year growth. Whether AAOI can deliver on that trajectory depends on its ability to scale manufacturing faster than competitors and maintain customer relationships as Nvidia-backed rivals ramp up. For investors, the key question is whether the current valuation already prices in the 800G ramp or leaves room for upside if AAOI exceeds its production targets.

This article is for informational purposes only and does not constitute investment advice.