Should You Grade Tropical Wind?
Nintendo Black Star Promos · #26
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 negative
Current grading costs exceed model estimate of PSA 10 premium
Expected Value
Raw price$91.98
Grading cost~$22.00
Blended EV$85.10
Estimated profit$-6.88
Estimated return-6%
Break-even sell price$62.97
Profit by Grade
PSA 7
$57.52
$-56.46 (-50%)
PSA 8
$98.16
$-15.82 (-14%)
PSA 9
$138.32
+$24.34 (21%)
PSA 10
$245.89
+$131.91 (116%)
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