Should You Grade Blastoise?
Expedition Base Set · #36
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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Full disclaimer
Estimated grading EV negative
Current grading costs exceed model estimate of PSA 10 premium
Expected Value
Raw price$127.78
Grading cost~$22.00
Blended EV$167.46
Estimated profit$0.00
Estimated return0%
Break-even sell price$125.69
Profit by Grade
PSA 6
$67.08
$-82.70 (-55%)
PSA 7
$71.05
$-78.73 (-53%)
PSA 8
$194.66
+$44.88 (30%)
PSA 9
$235.63
+$85.85 (57%)
PSA 10
$530.56
+$380.78 (254%)
Undervalued
This card is undervalued by 31% — grading EV is $167.46 vs $127.78 raw.
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