wrong "average" prices, improve transparency

Looking at Armored Core VI for PS4 on 2023-11-10, the price composite is displayed as $75+$20.31. Looking at the recently sold prices listed below that there are no completed sales above $65.95 (from 2023-09-09), the most recent sale is $39.99 yesterday (2023-11-09). Where is this $75.00 coming from?

Page: https://www.pricecharting.com/game/playstation-4/armored-core-vi-fires-of-rubicon#completed-auctions-new