Mewtwo ex
Estimated value · PSA 4 · updated Oct 19
$374.55
- Recent sales: middle of the last 3: $428, Sep 30 to Oct 14
- Evidence: moderate · 13 sales in 180 days · last Oct 14
- Next-sale range: $326 to $540
Estimate, recent sales and range: adjusted to typical eBay auction prices.
How we got this
A full estimate: 6 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 (Sep 30 to Oct 14), 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 4,823 estimate-to-next-sale pairs for grades with 5 to 8 sales in 90 days, EX era, from Jan 1, 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 $250.00 (Aug 29) to $540.00 (Oct 14) (6 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.
Rising
Prices moved up, and later sales held there.
- Last 3 sales vs 17 before: +83%
- Vs our estimate: +14%
- Estimate since the move began: +25%
How we got this
The middle of the last 3 sales against the middle of the 17 before them (Sep to Oct vs Oct 2025 to Aug 2026), adjusted to typical eBay auction prices.
Our estimate $374.55 from 6 sales through Oct 14.
The estimate was $299.64 on Oct 2 and is $374.55 now.
Sales, last 90 days · 6
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.
6 sales in the last 90 days: $234 on Aug 29, 2026 (eBay fixed price); $300 on Sep 24, 2026 (eBay fixed price); $281 on Sep 29, 2026 (eBay fixed price); $375 on Sep 30, 2026 (eBay fixed price); $428 on Oct 2, 2026 (eBay fixed price); $506 on Oct 14, 2026 (eBay fixed price). (Prices adjusted to typical eBay auction prices.)
Buy It Now estimate: $374.55 to $459.37. Our estimate plus the usual extra people pay to buy at once in this era.
Momentum: Rising
Detected Oct 2.
What ends it: later sales falling back, or our estimate catching up (shown as Settled). It also ends after 45 days without a sale at the new level.
Mewtwo ex · PSA 4 · 1 year
Oct 19, 2026 · estimate $374.55 · that week: no sales
On eBay now
Listings from eBay · updated 3 hours ago
$599.99Buy It Now2003 POKEMON EX RUBY & SAPPHIRE #101 MEWTWO EX-HOLO PSA 4Seller feedback 765 (100% positive)View on eBay
Prices and stock as eBay lists them. eBay is not part of this site.
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Compared with the 6 sales of the last 90 days and the estimate.
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Grades
Grades 8 to 8.5 share one estimate. Their recent sales overlap, so we do not rank them apart.
Grades 7 to 7.5 share one estimate so a lower grade never shows above a higher one.
Grades 1 to 2 share one estimate. Their recent sales overlap, so we do not rank them apart.
PSA 3 is estimated from the set's grade ratios because its own sales conflict with the other grades.
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, PSA 4
Prices as paid. Tap a sale to see it adjusted to typical eBay auction prices.
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PSA population
| Grade | Copies | |
|---|---|---|
| PSA 10 | 75 | |
| PSA 9 | 490 | |
| PSA 8.5 | 9 | |
| PSA 8 | 966 | |
| PSA 7 | 830 | |
| PSA 6 | 767 | |
| PSA 5 | 485 | |
| PSA 4.5 | 1 | |
| PSA 4 | 244 | |
| PSA 3 | 112 | |
| PSA 2 | 72 | |
| PSA 1.5 | 4 | |
| PSA 1 | 254 |
4,319 graded in total. Tracking since October 14, 2026; 30-day changes appear once a month of reports is stored.
Source: Scrydex, as of October 18, 2026. Check PSA's population report
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