Should You Grade Blastoise-EX?
XY Black Star Promos · #XY30
Yes
Expected profit: $9.78 (35% ROI)
Expected Value
Raw price$5.93
Grading cost~$22.00
Blended EV$15.71
Expected profit$9.78
ROI35%
Break-even sell price$-2.59
Profit by Grade
PSA 6
$14.42
$-13.51 (-48%)
PSA 7
$16.08
$-11.85 (-42%)
PSA 8
$24.26
$-3.67 (-13%)
PSA 9
$39.01
+$11.08 (40%)
PSA 10
$167.83
+$139.90 (501%)
Undervalued
This card is undervalued by 165% — grading EV is $15.71 vs $5.93 raw.
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