Should You Grade Blastoise-EX #XY122 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Blastoise-EX #XY122. Current PSA 10 gem rate is 1.5% based on 6,246 graded copies. PSA 10 sales average $7806.93 vs a raw market of $168.75. Expected value of grading: $-193.08 (-25% ROI). Verdict: Sell raw.
XY Black Star Promos · #XY122 · Promo
Default-tier verdict
Sell raw$-193 (-25% ROI)
Based on raw market $168.75, PSA 10 $7806.93, gem rate 1.5% (6,246 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Blastoise-EX #XY122 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 | 95 | 1.5% |
| PSA 9 | 698 | 11.2% |
| PSA 8 | 1,540 | 24.7% |
| PSA 7 | 1,831 | 29.3% |
