Blastoise-EX

XY Black Star Promos · #XY30 · Promo

$11.12US · TCGplayer

$5.63EU · Cardmarket

-20%7-day (EU)

-18%30-day (EU)

PromoRarity

#137 of 216Rank in set

Price detail

Market read: cooling off — -20% in 7 days; notably pricier in the US.

TCGplayer (US) (holofoil)

Tier	USD
Low	$4.19
Market	$11.12
Mid	$10.33
High	$81.59

Cardmarket (EU)

Metric	EUR
Trend	€5.21
Avg 1-day	€10.00
Avg 7-day	€6.52
Avg 30-day	€6.33
Low	€1.48

FAQ

How much is Blastoise-EX (XY Black Star Promos #XY30) worth?

As of our 2026-08-07 data, Blastoise-EX from XY Black Star Promos is worth about $11.12 (TCGplayer US market) and around €5.63 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Blastoise-EX rare?

Its rarity is listed as Promo and it ranks #137 of 216 by value in XY Black Star Promos. Rarity is the printed classification — it does not by itself guarantee value.

What's the most valuable card in XY Black Star Promos?

By current US market price, it's Pikachu-EX at $433.

Is Blastoise-EX's price going up or down?

On the Cardmarket (EU) trend it's -20% over 7 days, -18% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Blastoise-EX's live price?

See the current TCGplayer (US) market price here: Blastoise-EX on TCGplayer ↗.