Should You Grade Horsea #84 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Horsea #84. Current PSA 10 gem rate is 33.6% based on 131 graded copies. PSA 10 sales average $549.89 vs a raw market of $7.99. Expected value of grading: $134.13 (172% ROI). Verdict: Grade It.
Aquapolis · #84 · Common
Default-tier verdict
Grade It+$134 (+172% ROI)
Based on raw market $7.99, PSA 10 $549.89, gem rate 33.6% (131 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Horsea #84 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 | 44 | 33.6% |
| PSA 9 | 51 | 38.9% |
| PSA 8 | 19 | 14.5% |
| PSA 7 | 9 | 6.9% |
