Should You Grade Slowking #34 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Slowking #34. Current PSA 10 gem rate is 43.6% based on 140 graded copies. PSA 10 sales average $298.89 vs a raw market of $35.06. Expected value of grading: $49.26 (47% ROI). Verdict: Decent — proceed with caution.
Aquapolis · #34 · Rare
Default-tier verdict
Decent — proceed with caution+$49 (+47% ROI)
Based on raw market $35.06, PSA 10 $298.89, gem rate 43.6% (140 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Slowking #34 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 | 61 | 43.6% |
| PSA 9 | 53 | 37.9% |
| PSA 8 | 17 | 12.1% |
| PSA 7 | 5 | 3.6% |