One Piece TCG Market Update – Week 6, 2026

This weekly update tracks price movement using the One Piece TCG investment index.
Week 6 marked the first clear pullback at index level in 2026, with broad weakness across Manga, SEC and sealed, while Treasure Rares and Leaders showed relative resilience.

👉 View the full index: One Piece TCG Investment Index

Index snapshot (week-on-week)

  • One Piece TCG Investment Index (All): 117.1 (-2.2% WoW, +17.1% YTD)
  • Sealed Booster Box Index: 118.1 (-8.8% WoW, +18.1% YTD)
  • Manga Rare Index: 134.9 (-4.5% WoW, +34.9% YTD)
  • Secret Rare (SEC) Index: 124.5 (-4.2% WoW, +24.5% YTD)
  • Treasure Rare (TR) Index: 109.6 (-1.1% WoW, +9.6% YTD)
  • Special Rare (SP) Index: 112.7 (-1.0% WoW, +12.7% YTD)
  • Leader Alt Art Index: 113.0 (-0.7% WoW, +13.0% YTD)

Base value = 100 on 1 Jan 2026.

What moved the market

Broad-based correction

  • The total index declined -2.2%, the largest weekly drop so far this year.
  • Weakness was visible across all categories, not just one segment.

Manga and SEC retrace

  • Manga rares fell -4.5%, giving back part of the earlier YTD run.
  • SEC dropped -4.2%, reversing last week’s leadership.
  • Both categories remain strongly positive YTD but momentum clearly cooled.

Sealed sees sharp selling

  • Sealed booster boxes fell -8.8%, the steepest category move this week. With OP01 boxes retreating 16% and OP13 12%.
  • This suggests stronger profit-taking in product versus singles.

Top movers

🚀 Risers

  1. 🟢 Monkey D. Luffy (OP05-119) PRB01 Manga Rare – +37.9%
  2. 🟢 Koby (OP11-001) OP11 Leader Alt Art (AA) – +27.3%
  3. 🟢 Shanks (OP09-004) OP09 Manga Rare – +22.8%
  4. 🟢 Bartolomeo (OP04-089) Chinese OP09 Treasure Rare – +21.1%
  5. 🟢 Sanji (OP06-119) French OP09 Treasure Rare – +20.6%

🧊 Laggards

  1. 🔻 Sanji (OP01-013) Chinese OP08 Treasure Rare – -60.1%
  2. 🔻 King (OP08-057) EB02 Leader Alt Art (AA) – -26.3%
  3. 🔻 Monkey D. Luffy (OP09-119) OP09 Manga Rare – -24.9%
  4. 🔻 Gol D. Roger (OP09-118) OP09 Manga Rare – -21.7%
  5. 🔻 Shanks (OP09-009) OP13 Golden Special Rare (SP) – -19.3%

What this tells you

  • 📉 The first real correction of 2026 is underway.
  • 🎯 High-end singles (Manga / SEC) are giving back part of earlier gains.
  • 📦 Sealed shows the most aggressive selling pressure so far this year.

Index context

The One Piece TCG investment index tracks relative price movement across baskets of singles and sealed product. Each index is euro equal-weighted and updated daily.

👉 View the full index: One Piece TCG Investment Index

Archive

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