Groudon ex
Estimated value · CGC 9 · Unlimited · updated Oct 19
$618.74
- Recent sales: middle of the last 3: $704, Oct 1 to Oct 11
- Evidence: moderate · 12 sales in 180 days · last Oct 11
- Next-sale range: $539 to $892
Estimate, recent sales and range: adjusted to typical eBay auction prices.
How we got this
A full estimate: 9 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 1 to Oct 11), 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 $200.00 (Oct 7) to $970.00 (Oct 11) (9 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.
Steady
Recent sales are within this card's normal range of the estimate.
Sales, last 90 days · 9
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
Log scale: the highest sale is more than 4 times the lowest, so equal steps on the price axis are equal percentage changes.
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 Sep 5, 2026 to Oct 11, 2026, 9 sales had a median of $523, with no clear trend, 4 percent above the median of the earlier year. (Prices adjusted to typical eBay auction prices.)
Buy It Now estimate: $618.74 to $758.86. Our estimate plus the usual extra people pay to buy at once in this era.
Groudon ex · CGC 9 · Unlimited · 1 year
Oct 19, 2026 · estimate $618.74 · that week: no sales
On eBay now
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Compared with the 9 sales of the last 90 days and the estimate.
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Grades · Unlimited
Grades 6 to 7.5 share one estimate so a lower grade never shows above a higher one.
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 9 · Unlimited
Prices as paid. Tap a sale to see it adjusted to typical eBay auction prices.
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Population
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