Trader sentiment for A100 GPU rental prices at end-September 2026 centers on the tight contest between the $0.75–$1.00 and $1.00–$1.25 buckets because current on-demand rates cluster around $0.89–$1.90 per GPU-hour across providers, with spot and marketplace capacity dipping to $0.68 or lower. Abundant supply from hyperscalers and neoclouds releasing older Ampere fleets, combined with workload migration to higher-throughput H100, H200, and Blackwell accelerators, exerts steady downward pressure that offsets steady inference and fine-tuning demand. This dynamic keeps median transacted rates near $1.02–$1.43 while preventing sharp drops below $0.75 absent a major capacity surge or demand spike. Key near-term catalysts include further secondary-market inflows and any seasonal utilization shifts through late September.