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Market prices
Grading expected value
Worth grading
Expected profit: $7.63 (+24% ROI)
PSA 10 Chance
83.9%
$43.33 per PSA 10
PSA 9 Chance
12.4%
$21.67 per PSA 9
Grading cost
Based on 799 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 | 670 | 83.9% |
| PSA 9 | 99 | 12.4% |
| PSA 8 | 20 | 2.5% |
| PSA 7 | 7 | 0.9% |
| PSA 6 | 3 | 0.4% |
| Total | 799 | 100% |







