Should You Grade Blastoise-EX?
XY Black Star Promos · #XY30
Expected-value figures are estimates based on historical grade distributions and market prices. Not a recommendation. Grading outcomes and market prices are not guaranteed.
Methodology
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Estimated grading EV positive
Our model estimate: +$9.64 (35% estimated return)
Expected Value
Raw price$5.78
Grading cost~$22.00
Blended EV$15.42
Estimated profit$9.64
Estimated return35%
Break-even sell price$-3.00
Profit by Grade
PSA 6
$14.42
$-13.36 (-48%)
PSA 7
$16.08
$-11.70 (-42%)
PSA 8
$22.95
$-4.83 (-17%)
PSA 9
$39.01
+$11.23 (40%)
PSA 10
$167.83
+$140.05 (504%)
Undervalued
This card is undervalued by 167% — grading EV is $15.42 vs $5.78 raw.
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