| ebay.fr | n=2 | $8.27 | +61% |
| ebay.es | n=8 | $7.09 | +38% |
| ebay.co.uk | n=34 | $7.09 | +38% |
| ebay.de | n=37 | $6.12 | +19% |
| ebay.com | n=158 | $5.15 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 40 | 10 d | $8.09 | 326.53 |
| eigene LP-Verkäufe ÷ 0.7659 | 54 | 17 d | $9.24 | 3.71 |
| eigene PSA8-Verkäufe ÷ 4.4792 | 2 | 35 d | $11.14 | 1.18 |
| eigene PSA9-Verkäufe ÷ 15.237 | 2 | 2 mo | $10.58 | 0.76 |
| eigene PSA10-Verkäufe ÷ 143.3128 | 2 | 38 d | $84.89 | 0.29 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.7466 (Sprach-Faktor aus 21 Karten) | 40 | 10 d | $6.04 | 1.54 |
Measured error for this era×language (backtest): ±43 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.5679 (Sprach-Faktor aus 29 Karten) | 40 | 10 d | $4.59 | 1.22 |
Measured error for this era×language (backtest): ±12 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0872 (Sprach-Faktor aus 35 Karten) | 40 | 10 d | $8.79 | 13.74 |
Measured error for this era×language (backtest): ±14 %
Gate not green — shown only here, never as the price.
No PSA numbers for this print yet — in any language.
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#64 · Frequently asked questions
Auction or Buy It Now — which gets more for Swampert EX XY Black Star Promos XY55/211?
Across 26 auctions the median was $3.93, across 134 fixed-price sales $6.59. Fixed price therefore fetched about 68 % more — for this card patience with a set price is the better route.
What will I get for Swampert EX XY Black Star Promos XY55/211 if I want to sell quickly?
Half of all sales fell between $4.15 and $8.10, with a median of $5.69. Selling fast lands you nearer the lower end; with patience, good photos and a complete title the upper end is achievable.
Below which price is an offer for Swampert EX XY Black Star Promos XY55/211 unrealistic?
The cheapest genuine sales were around $2.90. Offers well below $1.74 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.
How does Last Sold determine the market value?
Last Sold uses only real sales — eBay plus auction houses like Goldin & Fanatics — recent sales count more (recency weighting), outliers and fakes are removed. It's not an estimate but actual sold prices, separated by condition, language and grading.