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Market prices
Grading expected value
Worth grading
Expected profit: $10.83 (+34% ROI)
PSA 10 Chance
88.4%
$45.33 per PSA 10
PSA 9 Chance
10.1%
$22.67 per PSA 9
Grading cost
Based on 612 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 | 541 | 88.4% |
| PSA 9 | 62 | 10.1% |
| PSA 8 | 7 | 1.1% |
| PSA 7 | 1 | 0.2% |
| PSA 4 | 1 | 0.2% |
| Total | 612 | 100% |






