Question 1

How much is Octoballoon OP15-106 worth?

Accepted Answer

Octoballoon OP15-106 from Adventure On Kami's Island (OP15-EB04) sells for €0.03 in Europe and $0.08 in the US, as of 2 November 2026.

Question 2

Is Octoballoon OP15-106 going up or down in price?

Accepted Answer

Steady. Over 30 days, since 6 October 2026, its Cardmarket price has stayed at about €0.03.

Question 3

Why is Octoballoon OP15-106 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 $0.08 on TCGplayer, about €0.07, which is 139% higher than its €0.03 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 Adventure On Kami's Island (OP15-EB04)?

Accepted Answer

Enel (Parallel 2) OP15-118 at €595.18 on Cardmarket, as of 2 November 2026.

Set	Adventure On Kami's Island (OP15-EB04)
Number	OP15-106
Rarity	Common
Released	27 March 2026

Octoballoon OP15-106 price

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Card details

Questions and answers

How much is Octoballoon OP15-106 worth?

Is Octoballoon OP15-106 going up or down in price?

Why is Octoballoon OP15-106 priced differently in Europe and the US?

Where does this price come from?

What is the most valuable card in Adventure On Kami's Island (OP15-EB04)?

Most valuable in Adventure On Kami's Island (OP15-EB04)