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Market prices
Grading expected value
Not worth grading
Expected loss: $1.56 (-5% ROI)
PSA 10 Chance
74.7%
$34.60 per PSA 10
PSA 9 Chance
24.4%
$17.30 per PSA 9
Grading cost
Based on 427 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 | 319 | 74.7% |
| PSA 9 | 104 | 24.4% |
| PSA 8 | 2 | 0.5% |
| PSA 7 | 1 | 0.2% |
| PSA 6 | 1 | 0.2% |
| Total | 427 | 100% |
