Should You Grade Nidoking #11 from Base?
Free PSA grading EV calculator pre-loaded with live market data for Nidoking #11. Current PSA 10 gem rate is 2.5% based on 15,190 graded copies. PSA 10 sales average $1470.78 vs a raw market of $17.50. Expected value of grading: $10.39 (10% ROI). Verdict: Sell raw.
Base · #11 · Rare Holo
Default-tier verdict
Sell raw+$10 (+10% ROI)
Based on raw market $17.50, PSA 10 $1470.78, gem rate 2.5% (15,190 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Nidoking #11 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 | 374 | 2.5% |
| PSA 9 | 3,030 | 19.9% |
| PSA 8 | 4,195 | 27.6% |
| PSA 7 | 2,937 | 19.3% |
