Should You Grade Magikarp?
XY Black Star Promos · #XY143
Yes
Expected profit: $215.17 (243% ROI)
Expected Value
Raw price$66.65
Grading cost~$22.00
Blended EV$281.82
Expected profit$215.17
ROI243%
Break-even sell price$126.28
Profit by Grade
PSA 6
$64.91
$-23.74 (-27%)
PSA 7
$67.13
$-21.52 (-24%)
PSA 8
$74.30
$-14.35 (-16%)
PSA 9
$174.57
+$85.92 (97%)
PSA 10
$1754.65
+$1666.00 (1879%)
Undervalued
This card is undervalued by 323% — grading EV is $281.82 vs $66.65 raw.
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