modern-to-grade · holo
Swampert-EX
XY Black Star Promos · #XY55 · English · released 2013
Raw market price
$11.06
7 days
▲ 2.6%
30 days
▲ 3.4%
90 days
▲ 64.1%
Graded prices & PSA population
| Grade | Market price | PSA population |
|---|---|---|
| PSA 10 | $239 | 21 |
| PSA 9 | $148 | 28 |
| PSA 8 | $35 | 31 |
PSA population recorded 2026-09-05 · total graded 182
Why this card matters
pop
103 listings is a moderately healthy supply pool, and the graded premium ($36 PSA8 vs $21 raw = ~71%) sounds large but is undermined by single-comp sample sizes — not enough data to confirm true scarcity.
demand
Swampert has a loyal Gen 3 fanbase, but EX promos from XY-era are plentiful and this specific card doesn't carry the character-icon status of a Charizard or Pikachu to drive sustained collector demand.
artist
Standard XY Black Star Promo holo treatment with no notable alt-art or standout illustrator credit to drive premium illustration-based demand.
catalyst
9.6% 30-day momentum is mildly positive but rests on an n=1 or n=2 comp foundation, making it statistically fragile and insufficient to confirm a real price dislocation.
Graded comps on record
$239
PSA 10
$148
PSA 9
$40
PSA 7
$35
PSA 8
$30
CGC 8
$28
PSA 5
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More from XY Black Star Promos
Market data recorded 2026-07-27 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.