Should You Grade Alolan Persian-GX #257 from Cosmic Eclipse?
Free PSA grading EV calculator pre-loaded with live market data for Alolan Persian-GX #257. Current PSA 10 gem rate is 53.2% based on 267 graded copies. PSA 10 sales average $183.38 vs a raw market of $13.50. Expected value of grading: $24.63 (30% ROI). Verdict: Decent — proceed with caution.
Cosmic Eclipse · #257 · Rare Rainbow
Default-tier verdict
Decent — proceed with caution+$25 (+30% ROI)
Based on raw market $13.50, PSA 10 $183.38, gem rate 53.2% (267 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Alolan Persian-GX #257 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 | 142 | 53.2% |
| PSA 9 | 92 | 34.5% |
| PSA 8 | 24 | 9.0% |
| PSA 7 | 4 | 1.5% |
