Should You Grade Mewtwo-EX #164 from BREAKthrough?
Free PSA grading EV calculator pre-loaded with live market data for Mewtwo-EX #164. Current PSA 10 gem rate is 7.9% based on 3,361 graded copies. PSA 10 sales average $8282.36 vs a raw market of $134.73. Expected value of grading: $322.66 (43% ROI). Verdict: Decent — proceed with caution.
BREAKthrough · #164 · Rare Secret
Default-tier verdict
Decent — proceed with caution+$323 (+43% ROI)
Based on raw market $134.73, PSA 10 $8282.36, gem rate 7.9% (3,361 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Mewtwo-EX #164 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 | 264 | 7.9% |
| PSA 9 | 944 | 28.1% |
| PSA 8 | 851 | 25.3% |
| PSA 7 | 585 | 17.4% |
