There are so many different theories that have been posted online, such as the ESPN documentary on Jordan, market manipulation, sneaker-heads entering the market, bitcoin guys entering the market, etc. However, nobody really knows the answer. Anyhow, I did sell my Jordans and I used the money to pay off my credit cards, so I'm pretty happy.
By the way, did you guys notice that vintage basketball is still pretty much the same price-wise? We are not seeing Bill Russell rookies selling for $8,000 US, right?