Frequently asked
What does the XY - Roaring Skies · Ultra Rare · PSA 8 track?
14 XY - Roaring Skies Ultra Rare cards graded PSA 8, weighted by market cap. It started at 100.00 on 2026-08-08 and stands at 89.48.
How has the XY - Roaring Skies · Ultra Rare · PSA 8 moved?
It is down 9.4% over the past month and down 10.5% year to date.
Which cards carry the most weight in the XY - Roaring Skies · Ultra Rare · PSA 8?
M Rayquaza EX (PSA 8) at 57.5%, Rayquaza EX (PSA 8) at 14.7% and M Rayquaza EX (PSA 8) at 10.4% of the index.
How is the XY - Roaring Skies · Ultra 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.