Sources
Where the prices come from
Named, with their cadence and their limits. Card prices are not a single number and any app that implies otherwise is hiding something.
The sources
- Raw single prices — TCGplayer market data
- A weighted average of recent sales on TCGplayer. It is not the lowest listing and not what any single buyer paid.
- PSA 10 prices — completed eBay sales
- What graded copies actually sold for. Thinner data than raw, because far fewer graded copies trade.
- Daily movers and sealed — Collectrics
- The daily leaderboard, ranked on day-over-day change. CardPulse re-sorts it; it does not compute it.
- Card catalogue — pokemontcg.io
- Set names, numbers, rarities, artists and images for English cards.
- Japanese catalogue — TCGplayer’s Japan product line
- Japanese print runs with English names and their own market prices.
Why the numbers disagree
A TCGplayer market price, an eBay sold price and a price guide figure measure different things on different marketplaces over different windows. A 20% gap between them is normal and is not evidence that one is wrong. Where CardPulse shows a number, it shows which source it came from.
What is estimated
Price history is built from daily snapshots. A card that has only recently been opened in the app will have a short history, because the series starts when the card is first observed. Charts state the range they cover rather than implying more.