Should You Grade Porygon (Shadowless)?
Base Set · #39
No
Expected profit: $-11.54 (-35% ROI)
Expected Value
Raw price$10.63
Grading cost~$22.00
Blended EV$-0.91
Expected profit$-11.54
ROI-35%
Break-even sell price$4.61
Profit by Grade
PSA 6
$20.39
$-12.24 (-38%)
PSA 7
$24.77
$-7.86 (-24%)
PSA 8
$29.65
$-2.98 (-9%)
PSA 9
$39.26
+$6.63 (20%)
PSA 10
$244.46
+$211.83 (649%)
Top Grading Opportunities in Base Set
Similar Price, Better ROI
