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漫画相場トラッカー
BGS（および従来のCGC・CBCS）で鑑定された漫画の落札データを、毎日更新しています。
BGS・CBCS・CGC で鑑定された漫画の落札価格を追跡できます。eBay、Heritage Auctions、Goldin の落札データに加え、メルカリとヤフオク! の未鑑定初版の売買データを集約し、ONE PIECE、NARUTO -ナルト-、ベルセルク、ドラゴンボール をはじめとする注目作品の相場を、ひとつの画面でまとめて確認できるようにしています。グラフ・絞り込み・検索が使えるインタラクティブ版は上に表示されます。下の表は、直近の落札をすばやく見たい方とクローラー向けの一覧です。
直近50件の鑑定済み落札（一覧表）
Frequently asked questions
How does the tracker work?
We continuously aggregate completed sold listings from eBay, Heritage Auctions, Goldin, Mercari Japan, and Yahoo! JAPAN Auctions for professionally graded manga and raw first prints, then normalize each result by series, volume, grade, and date. The interactive widget at the top of the page lets you filter by title, grade, and marketplace, view price-over-time charts, and drill into individual sales.
Where does the data come from?
Sales come from public completed-listing data on major secondary marketplaces: eBay plus the Heritage Auctions and Goldin auction houses for graded slabs, and Japan's Mercari and Yahoo! JAPAN Auctions for raw first prints. Live (currently for sale) listings come from the same sources, and Japanese-marketplace prices are converted to US dollars. We do not publish private sale data.
How often is it updated?
The dataset refreshes automatically every few hours. The "last updated" timestamp on the interactive widget shows the most recent run.
What grades are tracked?
We track BGS graded manga across the full 1.0-10.0 scale, plus legacy CGC and CBCS slabs. BGS (Beckett) is currently the only major grader actively slabbing manga. Raw (ungraded) first-print tankōbon are tracked separately. For background, see our guide to graded manga and the differences between zasshi and tankōbon.