Data studies

What things actually sell for, measured from real eBay completed sales. Each study shows the method so you can reproduce it live.

Data study

What a used PlayStation 4 actually sells for on eBay

We pulled recent completed PlayStation 4 console sales from eBay to find the real resale value: the median, the typical range, and how to reproduce the numbers yourself with an API.

September 24, 2026 · 5 min read