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Market prices
Grading expected value
Worth grading
Expected profit: $8.08 (+26% ROI)
PSA 10 Chance
66.7%
$51.85 per PSA 10
PSA 9 Chance
20.0%
$25.92 per PSA 9
Grading cost
Based on 15 graded samples. PSA 9 ≈ 50% of PSA 10, PSA 8 ≈ 25%. Actual results may vary.
PSA population
View on PSA| Grade | Population | % of Total |
|---|---|---|
| PSA 10 | 10 | 66.7% |
| PSA 9 | 3 | 20.0% |
| PSA 7 | 1 | 6.7% |
| PSA 4 | 1 | 6.7% |
| Total | 15 | 100% |






