Should You Grade Giovanni's Machamp #6 from Gym Challenge?
Free PSA grading EV calculator pre-loaded with live market data for Giovanni's Machamp #6. Current PSA 10 gem rate is 7.8% based on 2,189 graded copies. PSA 10 sales average $1250.00 vs a raw market of $59.25. Expected value of grading: $66.28 (44% ROI). Verdict: Decent — proceed with caution.
Gym Challenge · #6 · Rare Holo
Verdict
Decent — proceed with caution+$66 (+44% ROI)
Based on raw cost $59.25, PSA 10 $1250.00, gem rate 7.8% (2,189 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Giovanni's Machamp #6 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 | 170 | 7.8% |
| PSA 9 | 730 | 33.3% |
| PSA 8 | 557 | 25.4% |
| PSA 7 | 300 | 13.7% |
