CardElevatorCardElevatorHow this exact card and grade is actually trading, computed from every real comp we track.
What the same card is worth across every grade we track, and the step-up from one grade to the next.
What the same card is worth in each grade, from real comps. The arrow shows the step-up vs the grade below.
A PSA 8 sells for about 3.1x the raw copy (+213%), a $213 jump.
Recency-weighted median of real comps
Sale cadence
Avg between sales
eBay
Fleer 1988-89 Michael Jordan #17 Base Set Chicago Bulls NBA Basketball Card
