Data studies
What things actually sell for, measured from real eBay completed sales. Each study shows the method so you can reproduce it live.
Charizard ex 199/165: PSA 10 vs raw sold prices
From 353 completed eBay sales over three months: PSA 10 copies of Charizard ex 199/165 sold for a median of $1,525, raw copies for $350. The grading premium is 4.4x.
GoPro Hero 12 resale value on eBay
108 completed GoPro Hero 12 sales on eBay: median $239.96. Used cameras sold for $209.99, new for $249.99, and auctions lagged by 18%.
Shure SM7B used price: what it sells for on eBay
201 completed Shure SM7B sales on eBay: median $200, used $199.99, new $272.50. One in five sold via Best Offer.
Xbox Series X resale value on eBay
203 completed Xbox Series X sales on eBay: median $525 but average $625, a clear case of why you price from the median. New units sold for $763.99.
PS5 Slim resale value: what it sells for on eBay
From 190 completed PS5 Slim sales on eBay: median $445. Used consoles sold for $430, new for $595, and parts-only units still fetched $325.
Steam Deck OLED resale value on eBay
224 completed Steam Deck OLED sales on eBay: median $650, middle half $615 to $729. Used units hold value remarkably well against new.
What a Nintendo Switch OLED actually sells for on eBay
We analyzed 187 completed Nintendo Switch OLED sales on eBay. The median sold price was $199.95; used consoles sold for $179.99 and new ones for $349.
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.