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Mewtwo Gx 78 PSA 9
Sold out

Mewtwo Gx 78 PSA 9

Mewtwo Gx 78 PSA 9 is sold out at GameStop with last tracked at $986, inventory 0, recent eBay comps around $1,306, PSA population 6,581.

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SlabStop tracks GameStop graded card listings, inventory movement, eBay sold comps, raw card references, and PSA population signals. Prices and inventory can change quickly; always verify on the linked marketplace before buying.

Price and Inventory History

GameStop price$986
Pro price estimate$937
Inventory0
Price change+0.0%
Inventory change-100.0%
eBay average$1,306
Raw price$623
GS/eBay ratio0.8x
Raw multiplier1.6x
Expected multiplierN/A
PSA population6,581
Total PSA graded15,719
Gem rateN/A
Pressure score0/100
3-day drop rate0.0%
7-day drop rate0.0%

Inventory Pressure

  • No elevated inventory pressure signal at the latest build.

Links and Sources

  • GameStop slab listing/search for current availability.
  • eBay sold comps for recent secondary-market context.
  • TCGplayer raw card reference for multiplier comparisons.
  • PSA population page when a PSA spec id is available.