Rook – Track trading card profits, ROI, and inventory in one place

Summary: Rook is a platform for card sellers to track sales, grading fees, and profits across eBay, TCGPlayer, and Whatnot, with grading ROI analytics for PSA, BGS, and CGC. It consolidates card purchases, sales, and ROI data in one place.

What it does

Rook tracks trading card sales, grading fees, and profits from multiple marketplaces and provides ROI analytics for major grading services.

Who it's for

It is designed for trading card collectors and sellers who need to monitor their financial performance.

Why it matters

Rook solves the problem of managing and understanding card trading profits and ROI without relying on complex spreadsheets.