Frequently asked
What does the Holon Research Tower · PSA 9 track?
136 Holon Research Tower cards graded PSA 9, weighted by market cap. It started at 100.00 on 2026-05-15 and stands at 155.74.
How has the Holon Research Tower · PSA 9 moved?
It is up 14.9% over the past month and up 55.7% year to date.
Which cards carry the most weight in the Holon Research Tower · PSA 9?
Kyogre Star (PSA 9) at 16.2%, Metagross Star (PSA 9) at 11.3% and Groudon Star (PSA 9) at 8.4% of the index.
How is the Holon Research Tower · 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.