Question 1

How much is Scrooge McDuck - Cavern Prospector 18 worth?

Accepted Answer

Scrooge McDuck - Cavern Prospector 18 from Whispers in the Well sells for €0.09 in Europe and $0.13 in the US, as of 3 November 2026.

Question 2

Is Scrooge McDuck - Cavern Prospector 18 going up or down in price?

Accepted Answer

Up. Over 30 days, since 6 October 2026, its Cardmarket price has risen 13%, from €0.08 to €0.09.

Question 3

Why is Scrooge McDuck - Cavern Prospector 18 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 $0.13 on TCGplayer, about €0.12, which is 29% higher than its €0.09 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 Whispers in the Well?

Accepted Answer

Hades - Looking for a Deal 242 at €1,809 on Cardmarket, as of 3 November 2026.

Set	Whispers in the Well
Number	18
Rarity	Rare
Illustrator	Giulia Riva
Released	7 November 2025

Scrooge McDuck - Cavern Prospector 18 price

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Questions and answers

How much is Scrooge McDuck - Cavern Prospector 18 worth?

Is Scrooge McDuck - Cavern Prospector 18 going up or down in price?

Why is Scrooge McDuck - Cavern Prospector 18 priced differently in Europe and the US?

Where does this price come from?

What is the most valuable card in Whispers in the Well?

Most valuable in Whispers in the Well