Should You Grade Mystery Plate δ?
Skyridge · #136
No
Expected profit: $-8.26 (-30% ROI)
Expected Value
Raw price$5.22
Grading cost~$22.00
Blended EV$-3.04
Expected profit$-8.26
ROI-30%
Break-even sell price$-14.35
Profit by Grade
PSA 8
$13.00
$-14.22 (-52%)
PSA 9
$16.31
$-10.91 (-40%)
PSA 10
$71.09
+$43.87 (161%)
Similar Price, Better ROI