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Kingdra GX

HP 230WaterEvolves from Seadra

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

Kingdra GX SM155 (French Hyporoi GX, SM Black Star Promos · SMP, holo, language per Cardmarket listing, 2017) is worth €11.33 on 13 October 2026 (Cardmarket trend).

Cardmarket 30-day average: €9.88; lowest listing: €2.00. In the US, TCGplayer lists it at $17.37.

Trend of the Cardmarket listing across all conditions and editions of this print, excluding reverse holo; graded copies trade separately.

Source: Cardmarket via Pepita · updated 13 October 2026

Has Kingdra GX SM155 gone up in value?

Kingdra GX SM155 (French Hyporoi GX, SM Black Star Promos · SMP, holo, language per Cardmarket listing, 2017) is priced at €11.33 on 13 October 2026: +98.4% since 30 December 2024 (€5.71) and +8.0% since 13 September 2026 (€10.49), based on the Cardmarket trend.

Date	€	Change to latest quote
13 October 2026	€11.33	+0.0%
13 September 2026	€10.49	+8.0%
17 June 2026	€6.76	+67.6%
30 December 2024	€5.71	+98.4%
25 September 2026 (series high)	€12.27	−7.7%

Change in the Cardmarket trend, not actual sales; the history has gaps with no readings between some dates.

Source: Cardmarket via Pepita · updated 13 October 2026

€13€12€11€10

€14€12€10€8.00€6.00

€13€10€7.50€5.00

7-day change: +5.9%; Cardmarket trend
30-day change: +9.6%; Cardmarket trend
Average sale: €10.51; Cardmarket sales
Lowest listing: €2.00; Cardmarket listings

Price analytics · Holo

Trend price: €11.33
Average sold price: €10.51
1-day average: €14.00
7-day average: €11.14
30-day average: €9.88
Lowest listed: €2.00

US market · TCGplayer ($)

Holo: Low $10.25 · High $372.67$17.37

Where to buy

Links open the sellers’ own sites. Pepita earns no commission from them.

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Hydro Pump10+

This attack does 50 more damage times the amount of Water Energy attached to this Pokémon.

Reverse Thrust30

Switch this Pokémon with 1 of your Benched Pokémon.

Maelstrom GX

This attack does 40 damage to each of your opponent’s Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.) (You can’t use more than 1 GX attack in a game.)