Nvidia's transformation from gaming GPU company to AI infrastructure monopoly happened because of a decade-long bet on CUDA, its parallel computing platform, that turned out to be the foundational software layer for the entire machine learning stack. Switching costs are embedded at the developer level, not just the hardware level, which is what makes the competitive position genuinely durable.
The question every serious investor is asking in 2026 is whether the AI capex cycle that drove this growth can continue, or whether hyperscalers will pull back once initial buildouts are complete. The honest answer is that no one knows with certainty. What the data shows is that Azure, AWS, and Google Cloud are all running at capacity constraints, and planned capex increases suggest the buildout is not finished.
Blackwell architecture deployment accelerated through 2025 and into 2026, with customer commentary suggesting demand continues to outpace supply. That demand environment, combined with the pricing power Nvidia has demonstrated, is why the operating margin held above 60% even as revenue doubled.
The buyback program is another signal worth noting. Companies buying back 25% of their market cap annually while sitting on net cash are usually expressing confidence in their near-term cash flows. Nvidia has been consistent on this, returning $9.5 billion in fiscal 2024, $33.7 billion in fiscal 2025, and $40.1 billion in fiscal 2026.