Should You Grade Tyrantrum-EX?
XY Black Star Promos · #XY70
Yes
Expected profit: $54.87 (125% ROI)
Expected Value
Raw price$21.95
Grading cost~$22.00
Blended EV$76.82
Expected profit$54.87
ROI125%
Break-even sell price$52.91
Profit by Grade
PSA 6
$16.99
$-26.96 (-61%)
PSA 7
$27.55
$-16.40 (-37%)
PSA 8
$84.74
+$40.79 (93%)
PSA 9
$186.06
+$142.11 (323%)
PSA 10
$223.06
+$179.11 (408%)
Undervalued
This card is undervalued by 250% — grading EV is $76.82 vs $21.95 raw.
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