Should You Grade Mewtwo #XY101 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Mewtwo #XY101. Current PSA 10 gem rate is 2.5% based on 354 graded copies. PSA 10 sales average $7600.00 vs a raw market of $34.99. Expected value of grading: $-229.49 (-36% ROI). Verdict: Sell raw.
XY Black Star Promos · #XY101 · Promo
Default-tier verdict
Sell raw$-229 (-36% ROI)
Based on raw market $34.99, PSA 10 $7600.00, gem rate 2.5% (354 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Mewtwo #XY101 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 | 9 | 2.5% |
| PSA 9 | 59 | 16.7% |
| PSA 8 | 125 | 35.3% |
| PSA 7 | 91 | 25.7% |
