Should You Grade Kingdra-GX?
SM Black Star Promos · #SM155
No
Expected profit: $-0.66 (-2% ROI)
Expected Value
Raw price$11.10
Grading cost~$22.00
Blended EV$10.44
Expected profit$-0.66
ROI-2%
Break-even sell price$-6.73
Profit by Grade
PSA 7
$13.00
$-20.10 (-61%)
PSA 8
$15.39
$-17.71 (-54%)
PSA 9
$35.23
+$2.13 (6%)
PSA 10
$135.79
+$102.69 (310%)
Top Grading Opportunities in SM Black Star Promos
Similar Price, Better ROI