Should You Grade Grimer #79 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Grimer #79. Current PSA 10 gem rate is 38.5% based on 109 graded copies. PSA 10 sales average $371.57 vs a raw market of $25.13. Expected value of grading: $112.52 (118% ROI). Verdict: Grade It.
Aquapolis · #79 · Common
Default-tier verdict
Grade It+$113 (+118% ROI)
Based on raw market $25.13, PSA 10 $371.57, gem rate 38.5% (109 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Grimer #79 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 | 42 | 38.5% |
| PSA 9 | 48 | 44.0% |
| PSA 8 | 11 | 10.1% |
| PSA 7 | 3 | 2.8% |