Should You Grade Porygon-Z?
Great Encounters · #6
No
Expected profit: $-1.22 (-4% ROI)
Expected Value
Raw price$6.80
Grading cost~$22.00
Blended EV$5.58
Expected profit$-1.22
ROI-4%
Break-even sell price$15.13
Profit by Grade
PSA 8
$17.65
$-11.15 (-39%)
PSA 9
$39.14
+$10.34 (36%)
PSA 10
$387.42
+$358.62 (1245%)
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