Should You Grade Team Rocket's Mewtwo ex #231 from Destined Rivals?
Free PSA grading EV calculator pre-loaded with live market data for Team Rocket's Mewtwo ex #231. Current PSA 10 gem rate is 56.9% based on 22,942 graded copies. PSA 10 sales average $860.00 vs a raw market of $360.99. Expected value of grading: $237.21 (55% ROI). Verdict: Grade It.
Destined Rivals · #231 · Special Illustration Rare
Default-tier verdict
Grade It+$237 (+55% ROI)
Based on raw market $360.99, PSA 10 $860.00, gem rate 56.9% (22,942 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Team Rocket's Mewtwo ex #231 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 | 13,060 | 56.9% |
| PSA 9 | 6,765 | 29.5% |
| PSA 8 | 2,253 | 9.8% |
| PSA 7 | 663 | 2.9% |
