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Market prices
Grading expected value
Worth grading
Expected profit: $0.79 (+2% ROI)
PSA 10 Chance
87.3%
$34.73 per PSA 10
PSA 9 Chance
11.9%
$17.37 per PSA 9
Grading cost
Based on 622 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 | 543 | 87.3% |
| PSA 9 | 74 | 11.9% |
| PSA 8 | 5 | 0.8% |
| Total | 622 | 100% |






