XY - BREAKthrough Secret (BKT) carries a total slabbed market cap of $7.2M. TCGBerg tracks a fair value for 10 card and grade combinations in the set. Mewtwo EX #164 · PSA 10 anchors the set at 38.2% of its total cap.
Historical context
Released in 2015 as a EN release.
Market overview
Cap is concentrated: the largest card-grade position is 38.2% and the top 5 make up 92.9% of set cap. The set's cap-weighted fair-value confidence is very high (88/100). It has seen 50 graded sales over the trailing 30 days.

























