Should You Grade Marshadow & Machamp-GX #221 from Unbroken Bonds?
Free PSA grading EV calculator pre-loaded with live market data for Marshadow & Machamp-GX #221. Current PSA 10 gem rate is 37.5% based on 775 graded copies. PSA 10 sales average $617.50 vs a raw market of $60.20. Expected value of grading: $150.40 (116% ROI). Verdict: Grade It.
Unbroken Bonds · #221 · Rare Rainbow
Default-tier verdict
Grade It+$150 (+116% ROI)
Based on raw market $60.20, PSA 10 $617.50, gem rate 37.5% (775 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Marshadow & Machamp-GX #221 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 | 291 | 37.5% |
| PSA 9 | 331 | 42.7% |
| PSA 8 | 114 | 14.7% |
| PSA 7 | 17 | 2.2% |
