Should You Grade Gyarados-EX?
XY Black Star Promos · #XY106
Yes
Expected profit: $43.73 (109% ROI)
Expected Value
Raw price$18.09
Grading cost~$22.00
Blended EV$61.82
Expected profit$43.73
ROI109%
Break-even sell price$22.74
Profit by Grade
PSA 6
$11.23
$-28.86 (-72%)
PSA 7
$26.54
$-13.55 (-34%)
PSA 8
$38.58
$-1.51 (-4%)
PSA 9
$79.49
+$39.40 (98%)
PSA 10
$403.59
+$363.50 (907%)
Undervalued
This card is undervalued by 242% — grading EV is $61.82 vs $18.09 raw.
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