Should You Grade Star Piece #139 from Skyridge?
Free PSA grading EV calculator pre-loaded with live market data for Star Piece #139. Current PSA 10 gem rate is 38.6% based on 57 graded copies. PSA 10 sales average $526.98 vs a raw market of $9.99. Expected value of grading: $136.59 (171% ROI). Verdict: Grade It.
Skyridge · #139 · Uncommon
Default-tier verdict
Grade It+$137 (+171% ROI)
Based on raw market $9.99, PSA 10 $526.98, gem rate 38.6% (57 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Star Piece #139 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.
PSA population summary
| Grade | Population | Rate |
|---|---|---|
| PSA 10 | 22 | 38.6% |
| PSA 9 | 23 | 40.4% |
| PSA 8 | 10 | 17.5% |
| PSA 7 | 1 | 1.8% |
