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Collection · priced daily
Card collection tracker and value calculator
This collection tracker prices what you own: type a card, pick the printing, set the count. You get today's value, the move over a day, a week and a month, a year of history and the split by game. It lives in your browser — nothing to sign up for.
How the collection is priced
Every line is one printing — set, number and finish — times the count you hold, at the market price for that printing. The value updates every day with the rest of the site; the daily, weekly and monthly moves are the sum of each card's own move, so a $2 card that doubled and a $200 card that dipped 1% cancel out honestly.
The history line adds up what the same cards were worth on each day of the past year. A printing carries its last known price across days without a sale, and joins the line on the day it first had a price — so a freshly released card shows up as a step, not as a dip in everything else. Nothing is uploaded: the list is stored in this browser, and a share link carries the list itself — up to 300 printings — not an account.
Export gives you a CSV with product IDs you can re-import here or open in a spreadsheet. Prices are near-mint market prices; played condition, grading and shipping are not part of the number.
Questions people ask
4 answersIs my collection stored on your servers?
Not unless you ask for it. The list of cards you add lives in your own browser, and the calculator works without an account at all. Press “Save to account” and a copy is stored on our side so it survives a new device; leave it alone and nothing reaches us. Either way, clearing your browser data clears the local list, so use the share link if you want a copy you can keep.
How is the value of a collection calculated?
Each card you add is matched to a specific printing, and we sum the market price of those printings — near-mint, ungraded. The weekly and yearly change is the same sum computed on the prices from seven days and one year ago, so it reflects the market moving, not you adding cards.
Can I share my collection with someone?
Yes. The share link encodes the card list in the address itself, so the person opening it sees the same collection priced at today's market. Shared links are not indexed by search engines.
Why is my card missing?
Either the printing has no market price yet — new sets take a few days — or the card belongs to a game we do not track. The list of tracked games is on the games page.