Groudon Star

Holon Research Tower · #56/86 · Shiny Rare · 2005JPN

$450.86
Market price ▲ 0.6% (1Y)
Prices as of Aug 14, 2026
125graded pop
26%gem rate
0%off ATH $450.86 · Aug 2026
Market data

Price history

Standard

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Graded market

Graded values

PSA 10 report →updated 2026-08-13
Grade 6 est.$428.32
Grade 5 est.$360.69
Grade 4 est.$297.57
Grade 3 est.$247.97
Grade 2 est.$202.89
Grade 1 est.$171.33

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$2,149.69

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-03

PSA125 graded · 32 gem 10

Population data from PriceCharting, updated monthly.

How much is Groudon Star #56/86 worth?

As of August 14, 2026, Groudon Star #56/86 from Holon Research Tower sells for around $450.86 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $2,149.69, roughly 4.8x the raw price, while a PSA 9 sits near $1,861.00. 125 copies have been graded to date, and 26% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Groudon Star has moved over time.

Collecting Holon Research Tower?Full master set guide — every card, chase list, and completion cost→