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Market prices
Grading expected value
Worth grading
Expected profit: $2.20 (+7% ROI)
PSA 10 Chance
73.5%
$39.99 per PSA 10
PSA 9 Chance
20.0%
$20.00 per PSA 9
Grading cost
Based on 155 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 | 114 | 73.5% |
| PSA 9 | 31 | 20.0% |
| PSA 8 | 7 | 4.5% |
| PSA 7 | 2 | 1.3% |
| PSA 6 | 1 | 0.6% |
| Total | 155 | 100% |






