Arm’s main risk is not relevance but value capture. The architecture is becoming more central as AI turns CPUs into orchestration and control-plane assets, yet Arm must prove it can translate that strategic importance into durable economics without alienating partners, weakening its neutral-platform image, or letting a lower-margin silicon mix compress the quality of the model. Because the starting valuation is already extreme, small slips in timing, litigation, China governance, or
AGI CPU margin assumptions can matter a lot.