Dated briefs on significant moves in used GPU prices, each with the chart and figures as observed that day.
eBay US asking prices, item plus explicit shipping, before tax. These are asking prices, not sale prices: buyers often pay less.
By October 23, used RTX 5090 listings on eBay US were asking about $1,000 more than two weeks earlier.
By October 19, the cheapest used Tesla V100 32GB and Tesla P40 listings on eBay US had gone, while typical prices held.
By October 19, used RTX A6000 sellers on eBay US had converged on a price.