Should You Grade Kingdra #148 from Aquapolis?
Free PSA grading EV calculator pre-loaded with live market data for Kingdra #148. Current PSA 10 gem rate is 5.3% based on 1,783 graded copies. PSA 10 sales average $10571.41 vs a raw market of $424.01. Expected value of grading: $572.45 (54% ROI). Verdict: Grade It.
Aquapolis · #148 · Rare Secret
Default-tier verdict
Grade It+$572 (+54% ROI)
Based on raw market $424.01, PSA 10 $10571.41, gem rate 5.3% (1,783 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Kingdra #148 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 | 95 | 5.3% |
| PSA 9 | 346 | 19.4% |
| PSA 8 | 340 | 19.1% |
| PSA 7 | 261 | 14.6% |
