Frequently asked
What does the 151 · Special Illustration Rare · PSA 9 track?
7 151 Special Illustration Rare cards graded PSA 9, weighted by market cap. It started at 100.00 on 2026-07-28 and stands at 92.59.
How has the 151 · Special Illustration Rare · PSA 9 moved?
It is down 6.8% over the past month and down 7.4% year to date.
Which cards carry the most weight in the 151 · Special Illustration Rare · PSA 9?
Charizard ex (PSA 9) at 60.1%, Blastoise ex (PSA 9) at 14.8% and Venusaur ex (PSA 9) at 10.9% of the index.
How is the 151 · Special Illustration Rare · PSA 9 calculated?
The level is the constituents' combined market cap (fair value times graded population) divided by a divisor, with each card's weight dampened by the confidence of its fair value. The index rebalances weekly and the divisor absorbs every membership and population change, so only prices move the level. Values are recomputed daily from graded sales.