Should You Grade Rayquaza-EX #XY66 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Rayquaza-EX #XY66. Current PSA 10 gem rate is 0.0% based on 54 graded copies. PSA 10 sales average $689.00 vs a raw market of $29.06. Expected value of grading: $74.22 (75% ROI). Verdict: Grade It.
XY Black Star Promos · #XY66 · Promo
Default-tier verdict
Grade It+$74 (+75% ROI)
Based on raw market $29.06, PSA 10 $689.00, gem rate 0.0% (54 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Rayquaza-EX #XY66 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 | 0 | 0.0% |
| PSA 9 | 13 | 24.1% |
| PSA 8 | 2 | 3.7% |
| PSA 7 | 1 | 1.9% |
