duelist.jp

For Duelists.

Trading cards make the world more fun.

Japanese card prices and set data — in English.

Set numbers, rarities and reference prices for every trading card game — Pokémon, One Piece, Yu-Gi-Oh! and more — in one place. Sources stated; facts kept apart from estimates.

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Many prints appear in Japan first — or only in Japan. duelist.jp tracks them at the source: Japanese set numbers, Japanese rarity names and prices sampled from Japanese shops.

Card market indices

Market overview →
Top-card indicesPrice-weighted indices of the highest-priced cards only (Nikkei 225 style), so big-ticket moves count in full.
  • duelist.jp 225

    886.51

    ▼ -1.17% vs 2026-10-10

    225 cards
    Base 2026-09-24 = 1,000

  • Pokémon 100

    875.63

    ▼ -1.38% vs 2026-10-10

    100 cards
    Base 2026-09-24 = 1,000

  • One Piece 100

    1,000.00

    ± 0.00%

    100 cards
    Base 2026-09-27 = 1,000

  • Yu-Gi-Oh! 100

    1,000.00

    ± 0.00%

    100 cards
    Base 2026-09-27 = 1,000

Broad indices
  • duelist.jp Average

    1,050.24

    ▼ -1.08% vs 2026-10-10

    29,924 cards
    Base 2026-09-24 = 1,000

  • Pokémon index

    1,050.24

    ▼ -1.08% vs 2026-10-10

    6,486 cards
    Base 2026-09-24 = 1,000

  • One Piece index

    1,000.00

    ± 0.00%

    3,346 cards
    Base 2026-09-27 = 1,000

  • Yu-Gi-Oh! index

    1,000.00

    ± 0.00%

    20,092 cards
    Base 2026-09-27 = 1,000

Methodology →

Covered titles

How we count →

Aiming for every card in print — coverage is published per title.

Highest-priced cards

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Reference prices from public Japanese shop listings as of 2026-10-17. Sources on each card page.

01

Database

Card names, set numbers, rarities and reference prices, compiled independently with sources stated. Every Pokémon and One Piece set is in; Yu-Gi-Oh! and other titles are expanding toward every card in print.

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02

Research

duelist.jp Research analyses market structure, regulation and prices. Published under the duelist.jp Editorial byline, independent of any commercial unit.

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03

Coming next

Original pack sales and card buyback/consignment are planned. Expected-value calculations will be shown on every product page from day one.

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Latest articles

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Research articles may still be in preparation. Our editorial policy and conflict-of-interest disclosure are published here at all times.