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Market prices
Grading expected value
Worth grading
Expected profit: $7.94 (+25% ROI)
PSA 10 Chance
62.2%
$50.00 per PSA 10
PSA 9 Chance
31.3%
$25.00 per PSA 9
Grading cost
Based on 706 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 | 439 | 62.2% |
| PSA 9 | 221 | 31.3% |
| PSA 8 | 39 | 5.5% |
| PSA 7 | 2 | 0.3% |
| PSA 6 | 4 | 0.6% |
| PSA 5 | 1 | 0.1% |
| Total | 706 | 100% |







