Should You Grade Rocket's Zapdos (1st Edition)?
Gym Challenge · #15
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$230.48
Grading cost~$22.00
Blended EV$218.96
Estimated profit$-11.52
Estimated return-5%
Break-even sell price$328.64
Profit by Grade
PSA 6
$150.54
$-101.94 (-40%)
PSA 7
$175.70
$-76.78 (-30%)
PSA 8
$279.60
+$27.12 (11%)
PSA 9
$422.01
+$169.53 (67%)
PSA 10
$3012.06
+$2759.58 (1093%)
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