Should You Grade Zeraora-GX #221 from Lost Thunder?
Free PSA grading EV calculator pre-loaded with live market data for Zeraora-GX #221. Current PSA 10 gem rate is 42.0% based on 374 graded copies. PSA 10 sales average $415.99 vs a raw market of $74.59. Expected value of grading: $74.92 (52% ROI). Verdict: Grade It.
Lost Thunder · #221 · Rare Rainbow
Default-tier verdict
Grade It+$75 (+52% ROI)
Based on raw market $74.59, PSA 10 $415.99, gem rate 42.0% (374 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Zeraora-GX #221 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 | 157 | 42.0% |
| PSA 9 | 164 | 43.9% |
| PSA 8 | 33 | 8.8% |
| PSA 7 | 9 | 2.4% |
