Groudon ex
Estimated value · CGC 8.5 · Holo · updated Oct 19
$373.61
- Recent sales: middle of the last 3: $468, Oct 7 to Oct 9
- Evidence: moderate · 11 sales in 180 days · last Oct 9
- Next-sale range: $325 to $539
Estimate, recent sales and range: adjusted to typical eBay auction prices.
How we got this
A full estimate: 11 sales we counted in the last 90 days, weighted toward the most recent.
Recent sales: the middle (median) of the last 3 sales we counted (Oct 7 to Oct 9), each adjusted to typical eBay auction prices: Buy It Now and auction-house prices are moved by the gap we measure between venues in this era. The sales list shows the prices paid.
Checked on 6,264 estimate-to-next-sale pairs for grades with 9 or more sales in 90 days, EX era, from Jan 2, 2025 to Oct 16, 2026: half the next sales landed within 15 percent of the estimate at the time (as of Oct 18). A record of past estimates, not a guarantee for this card.
Estimates with moderate evidence had a median error of 11 percent on 57,634 past cases (Jan 1, 2025 to Oct 16, 2026).
Sales in the last 90 days ran from $399.00 (Oct 7) to $525.00 (Oct 9) (11 sales, prices paid).
Evidence: strong means at least 4.5 effective recent sales (older and clustered sales count for less) with a spread under 0.15; moderate, at least 2.8 with a spread under 0.30; limited, anything less. The basis (sales of this grade, or estimated from similar cards) is stated separately.
An estimate from completed sales. Not an offer or an appraisal.
Too few sales
Not enough recent sales to judge direction.
Sales, last 90 days · 11
Each dot is a sale; tap one for details. Prices are adjusted to typical eBay auction prices. The latest sale is ringed.
About this chart
Buy It Now and auction-house prices are moved by the gap we measure between venues in this era, so every dot is comparable with an eBay auction. Tap a dot to see the price paid.
From Oct 7, 2026 to Oct 9, 2026, 11 sales had a median of $374, with prices moving up. (Prices adjusted to typical eBay auction prices.)
Buy It Now estimate: $373.61 to $458.22. Our estimate plus the usual extra people pay to buy at once in this era.
Groudon ex · CGC 8.5 · Holo · 1 year
Oct 19, 2026 · estimate $373.61 · that week: no sales
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Compared with the 11 sales of the last 90 days and the estimate.
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Grades · Holo
Our estimate for each grade, with the change over 30 days and how much evidence backs it. Grades with few recent sales show the range of what sold instead.
How we got this
A grade's estimate needs 5 or more sales we counted in 90 days; otherwise the panel shows the lowest to highest sale of the last year. When neighbouring grades' sales overlap, or a lower grade's figure would sit above a higher grade's, they share one precision-weighted estimate (each figure weighted by how tight its range is). The 30-day change compares with the last settled estimate and shows only with strong or moderate evidence.
Sales, last 90 days, CGC 8.5 · Holo
Prices as paid. Tap a sale to see it adjusted to typical eBay auction prices.
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Population
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