Trader sentiment on H200 rental prices for end-September reflects a tight balance between expanding Blackwell B200 supply and persistent demand for high-memory Hopper GPUs. Current on-demand rates cluster around $3.99–$4.59 per hour across specialist providers such as Jarvislabs, Vast.ai, and Nebius, with hyperscalers remaining higher. The near-even split between the $4.00–$4.50 and $4.50–$5.00 brackets highlights uncertainty over how quickly newer Blackwell capacity displaces H200 instances versus sustained enterprise needs for 141 GB HBM3e memory in long-context inference and large-model serving. Spot-reserved differentials and any late-summer demand surges from AI training cycles remain key swing factors that could shift the market-implied odds.