GradeROI
Blastoise GX, Sun & Moon Black Star Promo #SM189 Pokémon card

Blastoise GX Sun & Moon Black Star Promo #SM189

Rarity
Promo
Released
2016
Total graded
2,118
36/100

Thin Margin

?
0254572
  1. Sell Raw
  2. Thin Margin
  3. Good Bet
  4. Exceptional
  • $75

    Expected Value
  • 4.1×

    Profit Multiple
  • 26%

    Odds of Profit

Grade vs. Raw

Sell it raw

100% chance

$18

Grade it, then sell

Blended average

$75
26%
you make money
0%
you break even
74%
you lose money
Grade population # of gradedEst. sale priceProfit or loss
PSA 10 545 $431 +$319
PSA 9 1,057 $39 −$33
PSA 8 316 $30 −$41
PSA 7 95 $25 −$46
PSA 6 52 $22 −$49
PSA 4 9 $35 −$37
PSA 1 6 $70 Break-Even

Estimated Cost

Grading fee

−$49.99
Company

Est. selling fee

−$13.93
%

Total est. cost

−$63.92