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Market prices
Grading expected value
Not worth grading
Expected loss: $6.76 (-21% ROI)
PSA 10 Chance
50.0%
$33.33 per PSA 10
PSA 9 Chance
48.9%
$16.67 per PSA 9
Grading cost
Based on 88 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 | 44 | 50.0% |
| PSA 9 | 43 | 48.9% |
| PSA 8 | 1 | 1.1% |
| Total | 88 | 100% |








