Should You Grade Nidoking #H18 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Nidoking #H18. Current PSA 10 gem rate is 12.7% based on 654 graded copies. PSA 10 sales average $5646.61 vs a raw market of $123.14. Expected value of grading: $405.02 (55% ROI). Verdict: Grade It.
Aquapolis · #H18 · Rare Holo
Default-tier verdict
Grade It+$405 (+55% ROI)
Based on raw market $123.14, PSA 10 $5646.61, gem rate 12.7% (654 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Nidoking #H18 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 | 83 | 12.7% |
| PSA 9 | 223 | 34.1% |
| PSA 8 | 157 | 24.0% |
| PSA 7 | 80 | 12.2% |
