Should You Grade Koga's Koffing (1st Edition)?
Gym Challenge · #48
No
Expected profit: $-13.07 (-45% ROI)
Expected Value
Raw price$6.90
Grading cost~$22.00
Blended EV$-6.17
Expected profit$-13.07
ROI-45%
Break-even sell price$-3.13
Profit by Grade
PSA 8
$9.80
$-19.10 (-66%)
PSA 9
$36.13
+$7.23 (25%)
PSA 10
$170.06
+$141.16 (488%)
Top Grading Opportunities in Gym Challenge
