Should You Grade Chespin?
XY Black Star Promos · #XY88
No
Expected profit: $-5.49 (-20% ROI)
Expected Value
Raw price$5.07
Grading cost~$22.00
Blended EV$-0.42
Expected profit$-5.49
ROI-20%
Break-even sell price$-12.20
Profit by Grade
PSA 8
$9.50
$-17.57 (-65%)
PSA 9
$49.99
+$22.92 (85%)
PSA 10
$63.88
+$36.81 (136%)
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