Should You Grade Nidoking #174 from 151?
Free PSA grading EV calculator pre-loaded with live market data for Nidoking #174. Current PSA 10 gem rate is 33.5% based on 9,235 graded copies. PSA 10 sales average $135.94 vs a raw market of $17.99. Expected value of grading: $-23.98 (-27% ROI). Verdict: Sell raw.
151 · #174 · Illustration Rare
Default-tier verdict
Sell raw$-24 (-27% ROI)
Based on raw market $17.99, PSA 10 $135.94, gem rate 33.5% (9,235 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Nidoking #174 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 | 3,091 | 33.5% |
| PSA 9 | 4,900 | 53.1% |
| PSA 8 | 1,104 | 12.0% |
| PSA 7 | 98 | 1.1% |
