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.

Should You Grade Slowking?

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

GradePopulationRate
PSA 106143.6%
PSA 95337.9%
PSA 81712.1%
PSA 753.6%