Thunder Knuckle (BJC) carries a total slabbed market cap of $4.3M as of Nov 13, 2026. TCGBerg tracks a fair value for 250 card and grade combinations in the set. Umbreon #031 · PSA 10 anchors the set at 20.8% of its total cap.
Historical context
A JA release; its release date is not recorded on the terminal.
Market overview
Cap is concentrated: the largest card-grade position is 20.8% and the top 5 make up 58.3% of set cap. The set's cap-weighted fair-value confidence is low (24/100). It has seen 96 graded sales over the trailing 30 days.





































































































