Portfolio

Track your own collection with the same data that powers the indexes: add the cards you own (any grade, raw or slabbed), your cost basis, and when you bought them — and get a daily portfolio value, unrealized gain/loss, and a chart of your collection's value with any index overlaid. Free.

How it works

• Sign-in by email (magic link — no passwords), so your portfolio follows you across devices.
• Card search across Pokemon, Magic: The Gathering, and One Piece — every product in our dataset, every grade.
• Holdings table with quantity, cost basis, current value, and gain/loss in dollars and percent.
• Portfolio value chart computed from daily price history, with your cost basis as a reference line.
• Compare to an index — overlay any published index, both series rebased to 100 ("growth of 100"), to see how your collection tracks the market.

We store nothing about you beyond your email address and the holdings you enter. No names, no addresses, no payment details. Portfolio values are for information only — not investment advice.