Should You Grade Greninja-GX?
SM Black Star Promos · #SM197
Yes
Expected profit: $33.80 (85% ROI)
Expected Value
Raw price$17.80
Grading cost~$22.00
Blended EV$51.60
Expected profit$33.80
ROI85%
Break-even sell price$10.02
Profit by Grade
PSA 6
$6.50
$-33.30 (-84%)
PSA 8
$12.65
$-27.15 (-68%)
PSA 9
$50.66
+$10.86 (27%)
PSA 10
$361.55
+$321.75 (808%)
Undervalued
This card is undervalued by 190% — grading EV is $51.60 vs $17.80 raw.
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