Should You Grade Mewtwo-EX #BW45 from BW Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Mewtwo-EX #BW45. Current PSA 10 gem rate is 5.2% based on 286 graded copies. PSA 10 sales average $4844.60 vs a raw market of $13.35. Expected value of grading: $86.40 (23% ROI). Verdict: Decent — proceed with caution.
BW Black Star Promos · #BW45 · Promo
Default-tier verdict
Decent — proceed with caution+$86 (+23% ROI)
Based on raw market $13.35, PSA 10 $4844.60, gem rate 5.2% (286 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Mewtwo-EX #BW45 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 | 15 | 5.2% |
| PSA 9 | 66 | 23.1% |
| PSA 8 | 74 | 25.9% |
| PSA 7 | 50 | 17.5% |
