Should You Grade Porygon2 #28 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Porygon2 #28. Current PSA 10 gem rate is 37.3% based on 110 graded copies. PSA 10 sales average $203.42 vs a raw market of $8.00. Expected value of grading: $18.28 (23% ROI). Verdict: Decent — proceed with caution.
Aquapolis · #28 · Rare
Default-tier verdict
Decent — proceed with caution+$18 (+23% ROI)
Based on raw market $8.00, PSA 10 $203.42, gem rate 37.3% (110 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Porygon2 #28 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 | 41 | 37.3% |
| PSA 9 | 41 | 37.3% |
| PSA 8 | 9 | 8.2% |
| PSA 7 | 9 | 8.2% |
