Like the NYSE, StockX calls itself a stock market and has a ticker tape. But looking below at my screen shot of a tiny section of their moving online tape, you can see that the listed commodities are all sneakers. My arrow points to a $3,265 Nike Air Max 1.
The StockX ticker displays prices from its market and elsewhere. On StockX, their FAQ indicates that the match between the bid and ask creates the purchase for that price.
Wondering which new secondary market sneakers could go for more than $3,000, I checked the AM1-KIDROBT. A little research revealed that the Nike Air Max 1 might be one of the sneaker world’s greats. Since its debut in 1987, Air Max 1 special editions and limited issues have made it a coveted item in sneaker markets.
This is the sneaker on the above ticker tape:

Sneaker Markets
Whereas Nike dominates all sneaker sales, a Morgan Stanley report on Under Armour said that Stephen Curry could be chipping away at their lead.
Below, James, Durant, Irving and Bryant are all with Nike while Curry’s sneakers are from Under Armour:

And here, with some unconventional stock analysis, StockX tells us point-per-game per Curry sneaker:

People who seem to know their sneakers say the Curry phenomenon is “Sneaker History in the Making.” Wearing his very first signature sneaker, Stephen Curry won an NBA championship and was the 2015 MVP.
You can see above that the Under Armour Curry One (below) outperformed the ClutchFit Drive :

Our Bottom Line: Supply and Demand
A classic economic story, the $400 resale price for the Curry One MVP is all about a change in demand. Explaining further, we can cite utility as the determinant of demand that shifted the curve because Curry’s popularity increased.