Astera Labs looks relatively expensive because similarly fast-growing AI infrastructure names trade at much lower multiples. Broadcom and Nvidia are at 14x, Credo at 15x and Lumentum at 18x; comparable peers look 50-80% cheaper. Astera is a great company and not necessarily expensive in absolute terms. Its roughly 2x multiple over Credo may persist, but the setup looks harder; with no valuation support, it could fall 50% if weakness continues. x.com  x.com  x.com  x.com 

Astera Labs is an extremely good, unique business but still too expensive to buy. It is founder-led, growing fast and sits at the center of the AI infrastructure buildout, selling PCIe/CXL retimers and fabric switches to AWS, Azure and Google Cloud, but its valuation keeps it on the watchlist. x.com  x.com 

Astera Labs needs a rerating because full-year 2026 analyst estimates look too low, with its Scorpio switches in full force in the second half. The quarter was big and the revenue guidance beat really big. The newly shipping Scorpio X-Series 320-lane AI fabric switch marks entry into scale-up networking, competing and coordinating with NVIDIA's NVLink in about a $20B opportunity. Inference looks additive, Leo memory tiering may be under-modeled, and optics looks like a future multiplier. x.com  … Show more

Astera Labs carries a huge premium for flawless execution against a CXL market that is small near term. Switch-based CXL memory pooling capturing $15-16B in 2026-2028 is low probability: Marvell guides its XConn switch business to only about $100M by fiscal 2028, PCIe included. Pooling software likely stays immature into 2028, per a Samsung white paper, and Nvidia is contesting the warm KV-cache tier. Astera does CXL best, but SK hynix and Micron offer better risk-adjusted returns. x.com  x.com 

Astera Labs is an amazing business, but its valuation is getting quite pricey. x.com 

Astera Labs is becoming one of the quieter winners of the AI build-out, because the trade includes everything that connects chips and fiber. Its new Scorpio X fabric switch plugs into 90% of data center equipment and, per its CEO, will be its largest product by year-end; the stock rose 13% on guidance at JPMorgan's tech conference. x.com 

Astera Labs is an incredible business, but its price leaves little margin of safety. Even an amazing decade, with revenue reaching $20B at 26% annual growth from about $1.9B, a 35% operating margin and a 30x multiple, makes it a roughly $158B company, about 3.6x from $44B, or around 13% a year before dilution. Slower revenue, lower margins, a lost customer, hyperscaler insourcing or tougher competition would erode that. Buying at half the price would make the risk/reward look amazing. x.com  … Show more

Astera Labs' valuation has gotten nuts given its medium- and long-term competitive and technology risks, especially next to NVIDIA and Broadcom. The aixPhotonics acquisition was smart, but even if those optical offerings ramp well, they are unlikely to offset the long-term cannibalization of retimers, AECs and similar products by NPO and CPO. x.com 

Astera Labs is becoming an indispensable bottleneck for scaling next-generation AI clusters, setting up a long-term rerating. Q2 revenue of $392M beat, gross margin expanded to 74% and operating income reached $154M as hyperscalers deploy PCIe 6 retimers and rack-scale fabric. Q3 revenue guidance of $550M far exceeds the $417M expected, with operating income of $238M, confirming accelerating momentum. x.com 

Coherent's optical networking business is surfacing from a conglomerate structure as the AI buildout flows through it; Overweight, with a $300 target by December 2026. Hyperscalers moving to 800G and 1.6T qualify suppliers on capability and volume, giving durable design-win revenue. Margins can expand on mix, synergies, operating leverage and debt paydown. Q4 revenue guidance of $1.98B came in $70M above consensus, with gross margin heading toward 40%, signaling demand is not slowing. x.com  … Show more