Cardfolio help
Why did a card's value change?
Because the market moved. Every card is re-priced at least weekly, and many more often, so a guide price moves the way any collectible's value moves. Your collection total changing on its own is normal and expected.
A large sudden jump usually means a thin market rather than a mistake. The confidence dot next to the price tells you how far to trust it.
If the jump sits on a dotted "Valuation basis updated" marker on the chart, it was us changing how values are worked out, not the market.
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Still stuck?
Email hello@tcgmartlondon.com — a person at TCG Mart London reads every message.
Cardfolio is a Pokémon card collection tracker: scan cards, see real UK and US market values, and organise binders and master sets.