Should You Grade M Blastoise-EX #30 from XY?
Free PSA grading EV calculator pre-loaded with live market data for M Blastoise-EX #30. Current PSA 10 gem rate is 30.1% based on 868 graded copies. PSA 10 sales average $599.99 vs a raw market of $21.91. Expected value of grading: $113.13 (123% ROI). Verdict: Grade It.
XY · #30 · Rare Holo EX
Default-tier verdict
Grade It+$113 (+123% ROI)
Based on raw market $21.91, PSA 10 $599.99, gem rate 30.1% (868 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting M Blastoise-EX #30 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 | 261 | 30.1% |
| PSA 9 | 240 | 27.6% |
| PSA 8 | 150 | 17.3% |
| PSA 7 | 94 | 10.8% |
