XY - Steam Siege Secret (STS) carries a total slabbed market cap of $2.2M. We track a TCGBerg fair value across 10 (printing, grade) atoms in the set. Gardevoir EX #116 · PSA 10 anchors the set at 65.2% of its total cap.
Historical context
Released in 2016 as a EN release.
Market overview
Cap is concentrated: the top atom is 65.2% and the top 5 atoms make up 96.4% of set cap. The set's cap-weighted fair-value confidence is high (76/100). It has seen 32 graded sales over the trailing 30 days.

























