Kingdra-GX

SM Black Star Promos · #SM155 · Promo

$16.29US · TCGplayer

$7.58EU · Cardmarket

-2%7-day (EU)

+6%30-day (EU)

PromoRarity

#85 of 251Rank in set

Price detail

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

TCGplayer (US) (holofoil)

Tier	USD
Low	$10.00
Market	$16.29
Mid	$16.67
High	$144

Cardmarket (EU)

Metric	EUR
Trend	€7.02
Avg 1-day	€7.99
Avg 7-day	€7.17
Avg 30-day	€6.63
Low	€2.95

FAQ

How much is Kingdra-GX (SM Black Star Promos #SM155) worth?

As of our 2026-08-07 data, Kingdra-GX from SM Black Star Promos is worth about $16.29 (TCGplayer US market) and around €7.58 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Kingdra-GX rare?

Its rarity is listed as Promo and it ranks #85 of 251 by value in SM Black Star Promos. Rarity is the printed classification — it does not by itself guarantee value.

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

By current US market price, it's Champions Festival at $490.

Is Kingdra-GX's price going up or down?

On the Cardmarket (EU) trend it's -2% over 7 days, +6% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Kingdra-GX's live price?

See the current TCGplayer (US) market price here: Kingdra-GX on TCGplayer ↗.