Should You Grade Machamp #51 from Expedition Base Set?
Free PSA grading EV calculator pre-loaded with live market data for Machamp #51. Current PSA 10 gem rate is 29.8% based on 245 graded copies. PSA 10 sales average $218.10 vs a raw market of $6.00. Expected value of grading: $15.84 (21% ROI). Verdict: Decent — proceed with caution.
Expedition Base Set · #51 · Rare
Default-tier verdict
Decent — proceed with caution+$16 (+21% ROI)
Based on raw market $6.00, PSA 10 $218.10, gem rate 29.8% (245 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Machamp #51 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 | 73 | 29.8% |
| PSA 9 | 89 | 36.3% |
| PSA 8 | 37 | 15.1% |
| PSA 7 | 19 | 7.8% |