Groudon-EX

XY Black Star Promos · #XY42 · Promo

$15.32US · TCGplayer

$8.79EU · Cardmarket

-1%7-day (EU)

+11%30-day (EU)

PromoRarity

#115 of 216Rank in set

Price detail

Market read: flat this week; notably pricier in the US.

TCGplayer (US) (holofoil)

Tier	USD
Low	$7.25
Market	$15.32
Mid	$14.06
High	$9,997

Cardmarket (EU)

Metric	EUR
Trend	€8.14
Avg 1-day	€24.99
Avg 7-day	€8.26
Avg 30-day	€7.36
Low	€1.59

FAQ

How much is Groudon-EX (XY Black Star Promos #XY42) worth?

As of our 2026-08-07 data, Groudon-EX from XY Black Star Promos is worth about $15.32 (TCGplayer US market) and around €8.79 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Groudon-EX rare?

Its rarity is listed as Promo and it ranks #115 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 Groudon-EX's price going up or down?

On the Cardmarket (EU) trend it's -1% over 7 days, +11% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

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

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