Should You Grade Nidoking #24 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Nidoking #24. Current PSA 10 gem rate is 32.8% based on 204 graded copies. PSA 10 sales average $191.02 vs a raw market of $12.99. Expected value of grading: $11.71 (14% ROI). Verdict: Sell raw.
Aquapolis · #24 · Rare
Default-tier verdict
Sell raw+$12 (+14% ROI)
Based on raw market $12.99, PSA 10 $191.02, gem rate 32.8% (204 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Nidoking #24 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 | 67 | 32.8% |
| PSA 9 | 85 | 41.7% |
| PSA 8 | 30 | 14.7% |
| PSA 7 | 9 | 4.4% |
