Frequently asked
What does the 151 · Double Rare · PSA 8 track?
12 151 Double Rare cards graded PSA 8, weighted by market cap. It started at 100.00 on 2026-07-28 and stands at 112.94.
How has the 151 · Double Rare · PSA 8 moved?
It is up 1.5% over the past month and up 12.9% year to date.
Which cards carry the most weight in the 151 · Double Rare · PSA 8?
Charizard ex (PSA 8) at 39.0%, Mew ex (PSA 8) at 21.3% and Blastoise ex (PSA 8) at 15.8% of the index.
How is the 151 · Double Rare · PSA 8 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.