Should You Grade Metagross-EX #XY34 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Metagross-EX #XY34. Current PSA 10 gem rate is 0.9% based on 113 graded copies. PSA 10 sales average $166.02 vs a raw market of $14.83. Expected value of grading: $-62.26 (-73% ROI). Verdict: Sell raw.
XY Black Star Promos · #XY34 · Promo
Default-tier verdict
Sell raw$-62 (-73% ROI)
Based on raw market $14.83, PSA 10 $166.02, gem rate 0.9% (113 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Metagross-EX #XY34 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 | 1 | 0.9% |
| PSA 9 | 6 | 5.3% |
| PSA 8 | 9 | 8.0% |
| PSA 7 | 8 | 7.1% |
