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Market prices
Grading expected value
Worth grading
Expected profit: $15.76 (+50% ROI)
PSA 10 Chance
91.6%
$50.00 per PSA 10
PSA 9 Chance
6.1%
$25.00 per PSA 9
Grading cost
Based on 511 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 | 468 | 91.6% |
| PSA 9 | 31 | 6.1% |
| PSA 8 | 5 | 1.0% |
| PSA 7 | 4 | 0.8% |
| PSA 6 | 3 | 0.6% |
| Total | 511 | 100% |






