Question 1

How much is Gyarados-GX SM212 worth?

Accepted Answer

Gyarados-GX SM212 from SM Black Star Promos sells for €3.06 in Europe and $3.40 in the US, as of 3 November 2026.

Question 2

Is Gyarados-GX SM212 going up or down in price?

Accepted Answer

Down. Over 30 days, since 4 October 2026, its Cardmarket price has fallen 41%, from €5.20 to €3.06.

Question 3

Why is Gyarados-GX SM212 priced differently in Europe and the US?

Accepted Answer

Cardmarket and TCGplayer are separate markets with their own sellers, buyers and supply. In the US it sells for $3.40 on TCGplayer, about €3.03, which is 1% lower than its €3.06 on Cardmarket. Prices are converted at the European Central Bank’s reference rate for the same day.

Question 4

Where does this price come from?

Accepted Answer

The European price is Cardmarket’s trend price, their daily estimate of what the card sells for now, from real sales. The US price is TCGplayer’s market price, from recent completed sales. Binderlist collects both every night and keeps each day’s price.

Question 5

What is the most valuable card in SM Black Star Promos?

Accepted Answer

Charizard SM158 at €344.40 on Cardmarket, as of 3 November 2026.

Set	SM Black Star Promos
Number	SM212
Rarity	Promo
Illustrator	5ban Graphics
Released	3 February 2017
Pokémon	Gyarados

Gyarados-GX SM212 price

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Questions and answers

How much is Gyarados-GX SM212 worth?

Is Gyarados-GX SM212 going up or down in price?

Why is Gyarados-GX SM212 priced differently in Europe and the US?

Where does this price come from?

What is the most valuable card in SM Black Star Promos?

Most valuable in SM Black Star Promos

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