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Market prices
Grading expected value
Not worth grading
Expected loss: $5.64 (-18% ROI)
PSA 10 Chance
91.0%
$27.33 per PSA 10
PSA 9 Chance
8.2%
$13.67 per PSA 9
Grading cost
Based on 575 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 | 523 | 91.0% |
| PSA 9 | 47 | 8.2% |
| PSA 8 | 4 | 0.7% |
| PSA 6 | 1 | 0.2% |
| Total | 575 | 100% |











