Should You Grade Shaymin-EX #XY148 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Shaymin-EX #XY148. Current PSA 10 gem rate is 2.3% based on 1,637 graded copies. PSA 10 sales average $6679.36 vs a raw market of $67.09. Expected value of grading: $-384.74 (-57% ROI). Verdict: Sell raw.
XY Black Star Promos · #XY148 · Promo
Default-tier verdict
Sell raw$-385 (-57% ROI)
Based on raw market $67.09, PSA 10 $6679.36, gem rate 2.3% (1,637 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Shaymin-EX #XY148 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 | 38 | 2.3% |
| PSA 9 | 265 | 16.2% |
| PSA 8 | 657 | 40.1% |
| PSA 7 | 394 | 24.1% |
