Should You Grade Cloyster?
Expedition Base Set · #42
No
Expected profit: $-7.32 (-22% ROI)
Expected Value
Raw price$11.43
Grading cost~$22.00
Blended EV$4.11
Expected profit$-7.32
ROI-22%
Break-even sell price$-8.28
Profit by Grade
PSA 6
$9.50
$-23.93 (-72%)
PSA 7
$17.14
$-16.29 (-49%)
PSA 8
$18.73
$-14.70 (-44%)
PSA 9
$35.58
+$2.15 (6%)
PSA 10
$94.78
+$61.35 (184%)