Should You Grade Porygon (1st Edition)?
Base Set · #39
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$5.52
Grading cost~$22.00
Blended EV$27.72
Estimated profit$0.00
Estimated return0%
Break-even sell price$62.33
Profit by Grade
PSA 6
$23.36
$-4.16 (-15%)
PSA 7
$31.65
+$4.13 (15%)
PSA 8
$60.12
+$32.60 (118%)
PSA 9
$155.15
+$127.63 (464%)
PSA 10
$748.79
+$721.27 (2621%)
Undervalued
This card is undervalued by 402% — grading EV is $27.72 vs $5.52 raw.
Top Grading Opportunities in Base Set
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