Arm is set to be the mother of all shorts once investors realize its data center chips have only one customer and that it has no logic manufacturing capacity. x.comÂ
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Semiconductor Market Commentary, Thru Project Mascot
Arm cannot even raise its $2 billion customer-interest figure in what should be the greatest CPU market of our lifetimes, and whether it can deliver even that is still unproven. x.comÂ
Arm is far too expensive for slowing growth. It trades at 220x earnings and 45x 2026 revenue for about 20% top-line growth, while core royalty growth slowed from 27% last quarter to 11% and margins fell. Its push into data-center CPUs makes it roughly the 35th company launching them, in a market that will compete on price. x.comÂ
Arm is no longer just an IP licensing story but is moving up the stack into finished silicon, and the market is finally starting to price that in. It is positioning itself as a broader compute platform for the agentic AI era, with much more value to capture if its server CPU push scales. x.comÂ
Arm's valuation makes no sense unless analyst estimates are off by 100%. It is one of the few true bubbles, alongside CrowdStrike in software, Tesla among mega caps and Costco at 50x; elsewhere there are pockets of dumb behavior but few true bubbles. Breadth is key: as this cycle's winners correct, the question is whether stocks that have not been involved can lift the market. x.comÂ
Arm is heavily overvalued: at about $240B it trades above 100x forward P/E and roughly 50x sales, already pricing in about 26x earnings five years out. That rests on FY2031 targets of $25B revenue, $15B of it from its own AGI CPU silicon starting from zero, and $9.00 EPS. Momentum is real, with Q1 revenue up 22% and the AGI CPU order book doubling to $2B+. But chip sales dilute ~98% IP gross margins to ~40-50%, and reliance on TSMC wafers adds execution risk the multiple leaves no room for. … Show more
Arm signaled confidence in securing supply allocations: CEO Rene Haas said Arm can secure enough supply to meet $2B of customer demand for its AGI CPU, and real demand is probably larger, with growth supply-constrained as usual. Supply, not demand, is the limiting factor from Nvidia to its upstream suppliers; Ciena also says component availability is what limits its growth. x.comÂ
Arm's valuation carries an absurd premium for the architecture layer. It trades at 91.9x EV/sales, far above its historical range, as Wall Street prices it as the mandatory royalty tollbooth for every custom AI chip. EDA leaders Cadence, at 30.1x, and Synopsys, at 21.2x, trade near the low end of their historical bands, priced like mature utilities, as the market stacks almost all the scarcity premium into Arm. x.comÂ
Arm's forward P/E near 190 already prices in much of its expected growth, leaving a limited margin of safety. Its fundamentals are sound and AI and data center demand is strong, but a long-term position is better taken after a valuation pullback or further earnings delivery. x.comÂ
Arm's fundamentals remain extremely strong, but component shortages could cost it margin as it moves into manufacturing. It confirmed accelerating demand of up to $2B for its new AGI CPU, yet has components for only about 50% of it, so meeting demand may mean paying higher prices. Management expects CPU demand to rise about 4x by 2030, which means about 4x the component needs too. At a valuation priced for perfection, the market may not accept any hit to growth or margins. x.com x.comÂ
Arm is well positioned for the coming CPU boom, but its stock already prices in the next five to six years. It dominates AI ASIC servers, and ASICs' share of servers should grow substantially as AI workloads shift from training to inference. Yet at about 30x 2031 earnings it is optimistically valued and would need a lot of upside surprise to become attractive. x.com x.com x.comÂ