Yet the stock fell roughly 8% in after-hours trading. The sell-off was attributed to a softer-than-expected Q2 profit forecast midpoint and ongoing concerns about supply constraints for its AI data center chips — a pattern similar to the prior quarter, when Arm beat estimates but shares still fell 6% on supply worries .
Arm reported record revenue across both of its main segments :
Data center royalty revenue more than doubled year over year for the second consecutive quarter, driven by adoption of Arm-based custom silicon at major hyperscalers .
For the second quarter of fiscal 2027, management guided revenue above Wall Street estimates, with adjusted EPS in a range of $0.43 to $0.51, above the $0.43 consensus .
Despite the beat-and-raise quarter, shares fell sharply in after-hours trading .
This sell-off echoes a broader market pattern: Arm stock has been volatile post-earnings, often falling after hours on guidance or cautious comments before potentially rallying in subsequent sessions .
The AGI CPU is Arm's own data center processor, a strategic expansion beyond licensing and royalties into selling complete chip designs for AI workloads . Management disclosed over $2 billion in cumulative customer demand across fiscal 2027 and fiscal 2028, more than double what was stated at the initial launch .
Meta is the lead co-developer, anchoring the data center expansion case and signaling deep commitment from a major hyperscaler .
Data center royalty revenue more than doubled year over year in Q1, marking a second consecutive quarter of triple-digit growth . This growth is driven by hyperscalers expanding Arm-based custom silicon deployments for AI workloads :
Arm's licensing growth (up 29%) reflects strong demand for the Arm platform as customers sign long-term architecture agreements for AI, cloud, and custom silicon . Beyond the AGI CPU and data center royalties, Arm's technology is being adopted across edge AI, physical AI, and automotive segments .
Arm's story remains fundamentally bullish on AI infrastructure demand. But until supply constraints ease, the market may continue to punish even strong quarters.